[INFO] cloning repository https://github.com/akkaha/hello-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/akkaha/hello-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakkaha%2Fhello-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakkaha%2Fhello-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8f9a2e5aaf359b827c150e461330584985d5595a
[INFO] checking akkaha/hello-rust against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakkaha%2Fhello-rust" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/akkaha/hello-rust on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/akkaha/hello-rust
[INFO] finished tweaking git repo https://github.com/akkaha/hello-rust
[INFO] tweaked toml for git repo https://github.com/akkaha/hello-rust written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/akkaha/hello-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: /workspace/builds/worker-2-tc1/source/tokio-tutorial/Cargo.toml: file `/workspace/builds/worker-2-tc1/source/tokio-tutorial/src/bin/tokio-connect.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `tokio-connect`
[INFO] [stderr]   * `example` target `tokio-connect`
[INFO] [stderr] warning: /workspace/builds/worker-2-tc1/source/tokio-tutorial/Cargo.toml: file `/workspace/builds/worker-2-tc1/source/tokio-tutorial/src/bin/tokio-echo.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `tokio-echo`
[INFO] [stderr]   * `example` target `tokio-echo`
[INFO] [stderr] warning: /workspace/builds/worker-2-tc1/source/tokio-tutorial/Cargo.toml: file `/workspace/builds/worker-2-tc1/source/tokio-tutorial/src/bin/tokio-hello.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `tokio-hello`
[INFO] [stderr]   * `example` target `tokio-hello`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-macros v0.2.1
[INFO] [stderr]   Downloaded tokio v0.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 59a0bd214c54b2772dd2c7407b0189f56a6b1ee3b93747a0311b480fe3c79983
[INFO] running `Command { std: "docker" "start" "-a" "59a0bd214c54b2772dd2c7407b0189f56a6b1ee3b93747a0311b480fe3c79983", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59a0bd214c54b2772dd2c7407b0189f56a6b1ee3b93747a0311b480fe3c79983", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59a0bd214c54b2772dd2c7407b0189f56a6b1ee3b93747a0311b480fe3c79983", kill_on_drop: false }`
[INFO] [stdout] 59a0bd214c54b2772dd2c7407b0189f56a6b1ee3b93747a0311b480fe3c79983
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 742ae32db8b5f270526a4e989bdcce07106471c4e9cf756cc3e04d5b0a7bc71e
[INFO] running `Command { std: "docker" "start" "-a" "742ae32db8b5f270526a4e989bdcce07106471c4e9cf756cc3e04d5b0a7bc71e", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/tokio-tutorial/Cargo.toml: file `/opt/rustwide/workdir/tokio-tutorial/src/bin/tokio-hello.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `tokio-hello`
[INFO] [stderr]   * `example` target `tokio-hello`
[INFO] [stderr] warning: /opt/rustwide/workdir/tokio-tutorial/Cargo.toml: file `/opt/rustwide/workdir/tokio-tutorial/src/bin/tokio-connect.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `tokio-connect`
[INFO] [stderr]   * `example` target `tokio-connect`
[INFO] [stderr] warning: /opt/rustwide/workdir/tokio-tutorial/Cargo.toml: file `/opt/rustwide/workdir/tokio-tutorial/src/bin/tokio-echo.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `tokio-echo`
[INFO] [stderr]   * `example` target `tokio-echo`
[INFO] [stderr]     Checking basic-tutorial v0.1.0 (/opt/rustwide/workdir/basic-tutorial)
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking bytes v0.5.3
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]     Checking arc-swap v0.4.4
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking pin-project-lite v0.1.1
[INFO] [stderr]     Checking http v0.2.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking webserver v0.1.0 (/opt/rustwide/workdir/webserver)
[INFO] [stderr]     Checking minigrep v0.1.0 (/opt/rustwide/workdir/minigrep)
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking bytes-tutorial v0.1.0 (/opt/rustwide/workdir/bytes-tutorial)
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stdout] warning: fields `kind` and `address` are never read
[INFO] [stdout]   --> basic-tutorial/src/enum_test.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct IpAddr {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 12 |     kind: IpAddrKind,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 13 |     address: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IpAddr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> basic-tutorial/src/enum_test.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 |     V4(String),
[INFO] [stdout]    |     -- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 18 |     V4(()),
[INFO] [stdout]    |        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> basic-tutorial/src/enum_test.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 |     V6(String),
[INFO] [stdout]    |     -- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 19 |     V6(()),
[INFO] [stdout]    |        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, `2`, and `3` are never read
[INFO] [stdout]   --> basic-tutorial/src/enum_test.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 |     V4(u8, u8, u8, u8),
[INFO] [stdout]    |     -- ^^  ^^  ^^  ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 24 |     V4((), (), (), ()),
[INFO] [stdout]    |        ~~  ~~  ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `kind` and `address` are never read
[INFO] [stdout]   --> basic-tutorial/src/enum_test.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct IpAddr {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 12 |     kind: IpAddrKind,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 13 |     address: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IpAddr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> basic-tutorial/src/enum_test.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 |     V4(String),
[INFO] [stdout]    |     -- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 18 |     V4(()),
[INFO] [stdout]    |        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> basic-tutorial/src/enum_test.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 |     V6(String),
[INFO] [stdout]    |     -- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 19 |     V6(()),
[INFO] [stdout]    |        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, `2`, and `3` are never read
[INFO] [stdout]   --> basic-tutorial/src/enum_test.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 |     V4(u8, u8, u8, u8),
[INFO] [stdout]    |     -- ^^  ^^  ^^  ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 24 |     V4((), (), (), ()),
[INFO] [stdout]    |        ~~  ~~  ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]   --> basic-tutorial/src/struct_test.rs:11:14
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Color(i32, i32, i32);
[INFO] [stdout]    |        ----- ^^^  ^^^  ^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Color((), (), ());
[INFO] [stdout]    |              ~~  ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]   --> basic-tutorial/src/struct_test.rs:14:14
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Point(i32, i32, i32);
[INFO] [stdout]    |        ----- ^^^  ^^^  ^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Point((), (), ());
[INFO] [stdout]    |              ~~  ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> basic-tutorial/src/box_test.rs:43:10
[INFO] [stdout]    |
[INFO] [stdout] 43 |     Cons(i32, Box<List>),
[INFO] [stdout]    |     ---- ^^^  ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 43 |     Cons((), ()),
[INFO] [stdout]    |          ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]  --> basic-tutorial/src/rc_test.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Cons(i32, Rc<List>),
[INFO] [stdout]   |     ---- ^^^  ^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Cons((), ()),
[INFO] [stdout]   |          ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> basic-tutorial/src/box_test.rs:43:10
[INFO] [stdout]    |
[INFO] [stdout] 43 |     Cons(i32, Box<List>),
[INFO] [stdout]    |     ---- ^^^  ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 43 |     Cons((), ()),
[INFO] [stdout]    |          ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]   --> basic-tutorial/src/struct_test.rs:11:14
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Color(i32, i32, i32);
[INFO] [stdout]    |        ----- ^^^  ^^^  ^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Color((), (), ());
[INFO] [stdout]    |              ~~  ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]   --> basic-tutorial/src/struct_test.rs:14:14
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Point(i32, i32, i32);
[INFO] [stdout]    |        ----- ^^^  ^^^  ^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Point((), (), ());
[INFO] [stdout]    |              ~~  ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]  --> basic-tutorial/src/rc_test.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Cons(i32, Rc<List>),
[INFO] [stdout]   |     ---- ^^^  ^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Cons((), ()),
[INFO] [stdout]   |          ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking clap-tutorial v0.1.0 (/opt/rustwide/workdir/clap-tutorial)
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling tokio-macros v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking tokio v0.2.5
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Checking tokio-tutorial v0.1.0 (/opt/rustwide/workdir/tokio-tutorial)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.55s
[INFO] running `Command { std: "docker" "inspect" "742ae32db8b5f270526a4e989bdcce07106471c4e9cf756cc3e04d5b0a7bc71e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "742ae32db8b5f270526a4e989bdcce07106471c4e9cf756cc3e04d5b0a7bc71e", kill_on_drop: false }`
[INFO] [stdout] 742ae32db8b5f270526a4e989bdcce07106471c4e9cf756cc3e04d5b0a7bc71e
[INFO] checking akkaha/hello-rust against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakkaha%2Fhello-rust" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/akkaha/hello-rust on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/akkaha/hello-rust
[INFO] finished tweaking git repo https://github.com/akkaha/hello-rust
[INFO] tweaked toml for git repo https://github.com/akkaha/hello-rust written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/akkaha/hello-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: /workspace/builds/worker-2-tc2/source/tokio-tutorial/Cargo.toml: file `/workspace/builds/worker-2-tc2/source/tokio-tutorial/src/bin/tokio-connect.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `tokio-connect`
[INFO] [stderr]   * `example` target `tokio-connect`
[INFO] [stderr] warning: /workspace/builds/worker-2-tc2/source/tokio-tutorial/Cargo.toml: file `/workspace/builds/worker-2-tc2/source/tokio-tutorial/src/bin/tokio-echo.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `tokio-echo`
[INFO] [stderr]   * `example` target `tokio-echo`
[INFO] [stderr] warning: /workspace/builds/worker-2-tc2/source/tokio-tutorial/Cargo.toml: file `/workspace/builds/worker-2-tc2/source/tokio-tutorial/src/bin/tokio-hello.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `tokio-hello`
[INFO] [stderr]   * `example` target `tokio-hello`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff66d902070e8b42fc5e583150961578a2af11479bf916d620455dd6c6fa4510
[INFO] running `Command { std: "docker" "start" "-a" "ff66d902070e8b42fc5e583150961578a2af11479bf916d620455dd6c6fa4510", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff66d902070e8b42fc5e583150961578a2af11479bf916d620455dd6c6fa4510", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff66d902070e8b42fc5e583150961578a2af11479bf916d620455dd6c6fa4510", kill_on_drop: false }`
[INFO] [stdout] ff66d902070e8b42fc5e583150961578a2af11479bf916d620455dd6c6fa4510
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92ade054fcf3ce1cc0acbe5c0c1ef534a148336981662216a530c9239bdd0fb8
[INFO] running `Command { std: "docker" "start" "-a" "92ade054fcf3ce1cc0acbe5c0c1ef534a148336981662216a530c9239bdd0fb8", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/tokio-tutorial/Cargo.toml: file `/opt/rustwide/workdir/tokio-tutorial/src/bin/tokio-echo.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `tokio-echo`
[INFO] [stderr]   * `example` target `tokio-echo`
[INFO] [stderr] warning: /opt/rustwide/workdir/tokio-tutorial/Cargo.toml: file `/opt/rustwide/workdir/tokio-tutorial/src/bin/tokio-connect.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `tokio-connect`
[INFO] [stderr]   * `example` target `tokio-connect`
[INFO] [stderr] warning: /opt/rustwide/workdir/tokio-tutorial/Cargo.toml: file `/opt/rustwide/workdir/tokio-tutorial/src/bin/tokio-hello.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `tokio-hello`
[INFO] [stderr]   * `example` target `tokio-hello`
[INFO] [stderr]     Checking basic-tutorial v0.1.0 (/opt/rustwide/workdir/basic-tutorial)
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]     Checking bytes v0.5.3
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bytes-0.5.3/src/buf/buf_impl.rs:18:9
[INFO] [stdout]     |
[INFO] [stdout] 18  | /         if let Some(ret) = ret {
[INFO] [stdout] 19  | |              // if the direct conversion was possible, advance and return
[INFO] [stdout] 20  | |             $this.advance(SIZE);
[INFO] [stdout] 21  | |             return ret;
[INFO] [stdout] ...   |
[INFO] [stdout] 26  | |             return $typ::$conv(buf);
[INFO] [stdout] 27  | |         }
[INFO] [stdout]     | |_________^ cannot satisfy `_ -> _`
[INFO] [stdout] ...
[INFO] [stdout] 327 |           buf_get_impl!(self, u16::from_be_bytes);
[INFO] [stdout]     |           --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `buf_get_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bytes-0.5.3/src/buf/buf_impl.rs:18:9
[INFO] [stdout]     |
[INFO] [stdout] 18  | /         if let Some(ret) = ret {
[INFO] [stdout] 19  | |              // if the direct conversion was possible, advance and return
[INFO] [stdout] 20  | |             $this.advance(SIZE);
[INFO] [stdout] 21  | |             return ret;
[INFO] [stdout] ...   |
[INFO] [stdout] 26  | |             return $typ::$conv(buf);
[INFO] [stdout] 27  | |         }
[INFO] [stdout]     | |_________^ cannot satisfy `_ -> _`
[INFO] [stdout] ...
[INFO] [stdout] 347 |           buf_get_impl!(self, u16::from_le_bytes);
[INFO] [stdout]     |           --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `buf_get_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bytes-0.5.3/src/buf/buf_impl.rs:18:9
[INFO] [stdout]     |
[INFO] [stdout] 18  | /         if let Some(ret) = ret {
[INFO] [stdout] 19  | |              // if the direct conversion was possible, advance and return
[INFO] [stdout] 20  | |             $this.advance(SIZE);
[INFO] [stdout] 21  | |             return ret;
[INFO] [stdout] ...   |
[INFO] [stdout] 26  | |             return $typ::$conv(buf);
[INFO] [stdout] 27  | |         }
[INFO] [stdout]     | |_________^ cannot satisfy `_ -> _`
[INFO] [stdout] ...
[INFO] [stdout] 367 |           buf_get_impl!(self, i16::from_be_bytes);
[INFO] [stdout]     |           --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `buf_get_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bytes-0.5.3/src/buf/buf_impl.rs:18:9
[INFO] [stdout]     |
[INFO] [stdout] 18  | /         if let Some(ret) = ret {
[INFO] [stdout] 19  | |              // if the direct conversion was possible, advance and return
[INFO] [stdout] 20  | |             $this.advance(SIZE);
[INFO] [stdout] 21  | |             return ret;
[INFO] [stdout] ...   |
[INFO] [stdout] 26  | |             return $typ::$conv(buf);
[INFO] [stdout] 27  | |         }
[INFO] [stdout]     | |_________^ cannot satisfy `_ -> _`
[INFO] [stdout] ...
[INFO] [stdout] 387 |           buf_get_impl!(self, i16::from_le_bytes);
[INFO] [stdout]     |           --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `buf_get_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bytes-0.5.3/src/buf/buf_impl.rs:18:9
[INFO] [stdout]     |
[INFO] [stdout] 18  | /         if let Some(ret) = ret {
[INFO] [stdout] 19  | |              // if the direct conversion was possible, advance and return
[INFO] [stdout] 20  | |             $this.advance(SIZE);
[INFO] [stdout] 21  | |             return ret;
[INFO] [stdout] ...   |
[INFO] [stdout] 26  | |             return $typ::$conv(buf);
[INFO] [stdout] 27  | |         }
[INFO] [stdout]     | |_________^ cannot satisfy `_ -> _`
[INFO] [stdout] ...
[INFO] [stdout] 407 |           buf_get_impl!(self, u32::from_be_bytes);
[INFO] [stdout]     |           --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `buf_get_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bytes-0.5.3/src/buf/buf_impl.rs:18:9
[INFO] [stdout]     |
[INFO] [stdout] 18  | /         if let Some(ret) = ret {
[INFO] [stdout] 19  | |              // if the direct conversion was possible, advance and return
[INFO] [stdout] 20  | |             $this.advance(SIZE);
[INFO] [stdout] 21  | |             return ret;
[INFO] [stdout] ...   |
[INFO] [stdout] 26  | |             return $typ::$conv(buf);
[INFO] [stdout] 27  | |         }
[INFO] [stdout]     | |_________^ cannot satisfy `_ -> _`
[INFO] [stdout] ...
[INFO] [stdout] 427 |           buf_get_impl!(self, u32::from_le_bytes);
[INFO] [stdout]     |           --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `buf_get_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bytes-0.5.3/src/buf/buf_impl.rs:18:9
[INFO] [stdout]     |
[INFO] [stdout] 18  | /         if let Some(ret) = ret {
[INFO] [stdout] 19  | |              // if the direct conversion was possible, advance and return
[INFO] [stdout] 20  | |             $this.advance(SIZE);
[INFO] [stdout] 21  | |             return ret;
[INFO] [stdout] ...   |
[INFO] [stdout] 26  | |             return $typ::$conv(buf);
[INFO] [stdout] 27  | |         }
[INFO] [stdout]     | |_________^ cannot satisfy `_ -> _`
[INFO] [stdout] ...
[INFO] [stdout] 447 |           buf_get_impl!(self, i32::from_be_bytes);
[INFO] [stdout]     |           --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `buf_get_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bytes-0.5.3/src/buf/buf_impl.rs:18:9
[INFO] [stdout]     |
[INFO] [stdout] 18  | /         if let Some(ret) = ret {
[INFO] [stdout] 19  | |              // if the direct conversion was possible, advance and return
[INFO] [stdout] 20  | |             $this.advance(SIZE);
[INFO] [stdout] 21  | |             return ret;
[INFO] [stdout] ...   |
[INFO] [stdout] 26  | |             return $typ::$conv(buf);
[INFO] [stdout] 27  | |         }
[INFO] [stdout]     | |_________^ cannot satisfy `_ -> _`
[INFO] [stdout] ...
[INFO] [stdout] 467 |           buf_get_impl!(self, i32::from_le_bytes);
[INFO] [stdout]     |           --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `buf_get_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bytes-0.5.3/src/buf/buf_impl.rs:18:9
[INFO] [stdout]     |
[INFO] [stdout] 18  | /         if let Some(ret) = ret {
[INFO] [stdout] 19  | |              // if the direct conversion was possible, advance and return
[INFO] [stdout] 20  | |             $this.advance(SIZE);
[INFO] [stdout] 21  | |             return ret;
[INFO] [stdout] ...   |
[INFO] [stdout] 26  | |             return $typ::$conv(buf);
[INFO] [stdout] 27  | |         }
[INFO] [stdout]     | |_________^ cannot satisfy `_ -> _`
[INFO] [stdout] ...
[INFO] [stdout] 487 |           buf_get_impl!(self, u64::from_be_bytes);
[INFO] [stdout]     |           --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `buf_get_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bytes-0.5.3/src/buf/buf_impl.rs:18:9
[INFO] [stdout]     |
[INFO] [stdout] 18  | /         if let Some(ret) = ret {
[INFO] [stdout] 19  | |              // if the direct conversion was possible, advance and return
[INFO] [stdout] 20  | |             $this.advance(SIZE);
[INFO] [stdout] 21  | |             return ret;
[INFO] [stdout] ...   |
[INFO] [stdout] 26  | |             return $typ::$conv(buf);
[INFO] [stdout] 27  | |         }
[INFO] [stdout]     | |_________^ cannot satisfy `_ -> _`
[INFO] [stdout] ...
[INFO] [stdout] 507 |           buf_get_impl!(self, u64::from_le_bytes);
[INFO] [stdout]     |           --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `buf_get_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bytes-0.5.3/src/buf/buf_impl.rs:18:9
[INFO] [stdout]     |
[INFO] [stdout] 18  | /         if let Some(ret) = ret {
[INFO] [stdout] 19  | |              // if the direct conversion was possible, advance and return
[INFO] [stdout] 20  | |             $this.advance(SIZE);
[INFO] [stdout] 21  | |             return ret;
[INFO] [stdout] ...   |
[INFO] [stdout] 26  | |             return $typ::$conv(buf);
[INFO] [stdout] 27  | |         }
[INFO] [stdout]     | |_________^ cannot satisfy `_ -> _`
[INFO] [stdout] ...
[INFO] [stdout] 527 |           buf_get_impl!(self, i64::from_be_bytes);
[INFO] [stdout]     |           --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `buf_get_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bytes-0.5.3/src/buf/buf_impl.rs:18:9
[INFO] [stdout]     |
[INFO] [stdout] 18  | /         if let Some(ret) = ret {
[INFO] [stdout] 19  | |              // if the direct conversion was possible, advance and return
[INFO] [stdout] 20  | |             $this.advance(SIZE);
[INFO] [stdout] 21  | |             return ret;
[INFO] [stdout] ...   |
[INFO] [stdout] 26  | |             return $typ::$conv(buf);
[INFO] [stdout] 27  | |         }
[INFO] [stdout]     | |_________^ cannot satisfy `_ -> _`
[INFO] [stdout] ...
[INFO] [stdout] 547 |           buf_get_impl!(self, i64::from_le_bytes);
[INFO] [stdout]     |           --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `buf_get_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bytes-0.5.3/src/buf/buf_impl.rs:18:9
[INFO] [stdout]     |
[INFO] [stdout] 18  | /         if let Some(ret) = ret {
[INFO] [stdout] 19  | |              // if the direct conversion was possible, advance and return
[INFO] [stdout] 20  | |             $this.advance(SIZE);
[INFO] [stdout] 21  | |             return ret;
[INFO] [stdout] ...   |
[INFO] [stdout] 26  | |             return $typ::$conv(buf);
[INFO] [stdout] 27  | |         }
[INFO] [stdout]     | |_________^ cannot satisfy `_ -> _`
[INFO] [stdout] ...
[INFO] [stdout] 567 |           buf_get_impl!(self, u128::from_be_bytes);
[INFO] [stdout]     |           ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `buf_get_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bytes-0.5.3/src/buf/buf_impl.rs:18:9
[INFO] [stdout]     |
[INFO] [stdout] 18  | /         if let Some(ret) = ret {
[INFO] [stdout] 19  | |              // if the direct conversion was possible, advance and return
[INFO] [stdout] 20  | |             $this.advance(SIZE);
[INFO] [stdout] 21  | |             return ret;
[INFO] [stdout] ...   |
[INFO] [stdout] 26  | |             return $typ::$conv(buf);
[INFO] [stdout] 27  | |         }
[INFO] [stdout]     | |_________^ cannot satisfy `_ -> _`
[INFO] [stdout] ...
[INFO] [stdout] 587 |           buf_get_impl!(self, u128::from_le_bytes);
[INFO] [stdout]     |           ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `buf_get_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bytes-0.5.3/src/buf/buf_impl.rs:18:9
[INFO] [stdout]     |
[INFO] [stdout] 18  | /         if let Some(ret) = ret {
[INFO] [stdout] 19  | |              // if the direct conversion was possible, advance and return
[INFO] [stdout] 20  | |             $this.advance(SIZE);
[INFO] [stdout] 21  | |             return ret;
[INFO] [stdout] ...   |
[INFO] [stdout] 26  | |             return $typ::$conv(buf);
[INFO] [stdout] 27  | |         }
[INFO] [stdout]     | |_________^ cannot satisfy `_ -> _`
[INFO] [stdout] ...
[INFO] [stdout] 607 |           buf_get_impl!(self, i128::from_be_bytes);
[INFO] [stdout]     |           ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `buf_get_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bytes-0.5.3/src/buf/buf_impl.rs:18:9
[INFO] [stdout]     |
[INFO] [stdout] 18  | /         if let Some(ret) = ret {
[INFO] [stdout] 19  | |              // if the direct conversion was possible, advance and return
[INFO] [stdout] 20  | |             $this.advance(SIZE);
[INFO] [stdout] 21  | |             return ret;
[INFO] [stdout] ...   |
[INFO] [stdout] 26  | |             return $typ::$conv(buf);
[INFO] [stdout] 27  | |         }
[INFO] [stdout]     | |_________^ cannot satisfy `_ -> _`
[INFO] [stdout] ...
[INFO] [stdout] 627 |           buf_get_impl!(self, i128::from_le_bytes);
[INFO] [stdout]     |           ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `buf_get_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking arc-swap v0.4.4
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stdout] error: aborting due to 16 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0284`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bytes` (lib) due to 17 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "92ade054fcf3ce1cc0acbe5c0c1ef534a148336981662216a530c9239bdd0fb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92ade054fcf3ce1cc0acbe5c0c1ef534a148336981662216a530c9239bdd0fb8", kill_on_drop: false }`
[INFO] [stdout] 92ade054fcf3ce1cc0acbe5c0c1ef534a148336981662216a530c9239bdd0fb8