[INFO] fetching crate devcon 0.2.0...
[INFO] checking devcon-0.2.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate devcon 0.2.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate devcon 0.2.0
[INFO] finished tweaking crates.io crate devcon 0.2.0
[INFO] tweaked toml for crates.io crate devcon 0.2.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate devcon 0.2.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate devcon 0.2.0 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35e6d7c7cc4ed29f6dfa17f9cb017e7a5dc98048d2221cd4bf7fcbf1105e2abc
[INFO] running `Command { std: "docker" "start" "-a" "35e6d7c7cc4ed29f6dfa17f9cb017e7a5dc98048d2221cd4bf7fcbf1105e2abc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35e6d7c7cc4ed29f6dfa17f9cb017e7a5dc98048d2221cd4bf7fcbf1105e2abc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35e6d7c7cc4ed29f6dfa17f9cb017e7a5dc98048d2221cd4bf7fcbf1105e2abc", kill_on_drop: false }`
[INFO] [stdout] 35e6d7c7cc4ed29f6dfa17f9cb017e7a5dc98048d2221cd4bf7fcbf1105e2abc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 570ce3009cd9bb69c048be887bc5021f3fd1ecaa370cf47d431ea8e0511ed36b
[INFO] running `Command { std: "docker" "start" "-a" "570ce3009cd9bb69c048be887bc5021f3fd1ecaa370cf47d431ea8e0511ed36b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling libc v0.2.113
[INFO] [stderr]    Compiling serde_derive v1.0.135
[INFO] [stderr]    Compiling serde v1.0.135
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling serde_json v1.0.78
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking clap_lex v0.2.0
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking directories v4.0.1
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking shellexpand v2.1.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling clap_derive v3.1.18
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking clap v3.1.18
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]     Checking json5 v0.4.1
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking devcon v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `directory`, `forward_ports`, and `run_args` are never read
[INFO] [stdout]   --> src/provider/docker_compose.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct DockerCompose {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub directory: String,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub forward_ports: Vec<u16>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 19 |     pub run_args: Vec<String>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DockerCompose` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `directory`, `forward_ports`, and `run_args` are never read
[INFO] [stdout]   --> src/provider/podman_compose.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct PodmanCompose {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub directory: String,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 17 |     pub file: String,
[INFO] [stdout] 18 |     pub forward_ports: Vec<u16>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 19 |     pub name: String,
[INFO] [stdout] 20 |     pub run_args: Vec<String>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PodmanCompose` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `directory`, `forward_ports`, and `run_args` are never read
[INFO] [stdout]   --> src/provider/docker_compose.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct DockerCompose {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub directory: String,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub forward_ports: Vec<u16>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 19 |     pub run_args: Vec<String>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DockerCompose` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `directory`, `forward_ports`, and `run_args` are never read
[INFO] [stdout]   --> src/provider/podman_compose.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct PodmanCompose {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub directory: String,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 17 |     pub file: String,
[INFO] [stdout] 18 |     pub forward_ports: Vec<u16>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 19 |     pub name: String,
[INFO] [stdout] 20 |     pub run_args: Vec<String>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PodmanCompose` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         dir: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         dir: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         dir: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         dir: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `devcon` (bin "devcon") due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `devcon` (bin "devcon" test) due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "570ce3009cd9bb69c048be887bc5021f3fd1ecaa370cf47d431ea8e0511ed36b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "570ce3009cd9bb69c048be887bc5021f3fd1ecaa370cf47d431ea8e0511ed36b", kill_on_drop: false }`
[INFO] [stdout] 570ce3009cd9bb69c048be887bc5021f3fd1ecaa370cf47d431ea8e0511ed36b
