[INFO] cloning repository https://github.com/marcinjahn/conman [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/marcinjahn/conman" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcinjahn%2Fconman", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcinjahn%2Fconman'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f081ba2960f8d78c9047b71ea04187611a30bb03 [INFO] checking marcinjahn/conman against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcinjahn%2Fconman" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/marcinjahn/conman 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/marcinjahn/conman [INFO] finished tweaking git repo https://github.com/marcinjahn/conman [INFO] tweaked toml for git repo https://github.com/marcinjahn/conman written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/marcinjahn/conman 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] b5bcf88b0cd6b266ee48d04021ec04549098b20ac2a5bf8dfb227c0e74496fff [INFO] running `Command { std: "docker" "start" "-a" "b5bcf88b0cd6b266ee48d04021ec04549098b20ac2a5bf8dfb227c0e74496fff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b5bcf88b0cd6b266ee48d04021ec04549098b20ac2a5bf8dfb227c0e74496fff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b5bcf88b0cd6b266ee48d04021ec04549098b20ac2a5bf8dfb227c0e74496fff", kill_on_drop: false }` [INFO] [stdout] b5bcf88b0cd6b266ee48d04021ec04549098b20ac2a5bf8dfb227c0e74496fff [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] b3366c9be0b864fb06b3ae6848c6237e91abf78f66d40aca9bbcbc5d7a8c7a1d [INFO] running `Command { std: "docker" "start" "-a" "b3366c9be0b864fb06b3ae6848c6237e91abf78f66d40aca9bbcbc5d7a8c7a1d", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling syn v1.0.85 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling serde_derive v1.0.133 [INFO] [stderr] Compiling serde v1.0.133 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling serde_json v1.0.74 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Checking fastrand v1.6.0 [INFO] [stderr] Checking itoa v1.0.1 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking symlink v0.1.0 [INFO] [stderr] Compiling quote v1.0.14 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking dirs-sys v0.3.6 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking tempfile v3.3.0 [INFO] [stderr] Checking directories v4.0.1 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Checking structopt v0.3.25 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Checking puff v0.1.7 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/error.rs:4:21 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct AppError(pub(crate) String); [INFO] [stdout] | -------- ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `AppError` 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 field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 4 | pub struct AppError(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/error.rs:4:21 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct AppError(pub(crate) String); [INFO] [stdout] | -------- ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `AppError` 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 field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 4 | pub struct AppError(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.16s [INFO] running `Command { std: "docker" "inspect" "b3366c9be0b864fb06b3ae6848c6237e91abf78f66d40aca9bbcbc5d7a8c7a1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b3366c9be0b864fb06b3ae6848c6237e91abf78f66d40aca9bbcbc5d7a8c7a1d", kill_on_drop: false }` [INFO] [stdout] b3366c9be0b864fb06b3ae6848c6237e91abf78f66d40aca9bbcbc5d7a8c7a1d [INFO] checking marcinjahn/conman against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcinjahn%2Fconman" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/marcinjahn/conman 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/marcinjahn/conman [INFO] finished tweaking git repo https://github.com/marcinjahn/conman [INFO] tweaked toml for git repo https://github.com/marcinjahn/conman written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/marcinjahn/conman 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c55c38390331d4c84f013243babfd44b3b18123df3807daa92453e80678e5cbb [INFO] running `Command { std: "docker" "start" "-a" "c55c38390331d4c84f013243babfd44b3b18123df3807daa92453e80678e5cbb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c55c38390331d4c84f013243babfd44b3b18123df3807daa92453e80678e5cbb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c55c38390331d4c84f013243babfd44b3b18123df3807daa92453e80678e5cbb", kill_on_drop: false }` [INFO] [stdout] c55c38390331d4c84f013243babfd44b3b18123df3807daa92453e80678e5cbb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] eb87d8c73a998c123a8f364a1ef872a7e165498e26dd657b1bce3ee31670e80a [INFO] running `Command { std: "docker" "start" "-a" "eb87d8c73a998c123a8f364a1ef872a7e165498e26dd657b1bce3ee31670e80a", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling syn v1.0.85 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling serde_derive v1.0.133 [INFO] [stderr] Compiling serde v1.0.133 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Compiling serde_json v1.0.74 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking itoa v1.0.1 [INFO] [stderr] Checking fastrand v1.6.0 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking symlink v0.1.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking dirs-sys v0.3.6 [INFO] [stderr] Checking tempfile v3.3.0 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Compiling quote v1.0.14 [INFO] [stderr] Checking directories v4.0.1 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Checking structopt v0.3.25 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/uuid-0.8.2/src/builder/mod.rs:81:13 [INFO] [stdout] | [INFO] [stdout] 81 | Err(Error::new(D4_LEN, len))?; [INFO] [stdout] | ^^^ cannot infer type of the type parameter `T` declared on the enum `Result` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic arguments [INFO] [stdout] | [INFO] [stdout] 81 | Err::(Error::new(D4_LEN, len))?; [INFO] [stdout] | ++++++++++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/uuid-0.8.2/src/builder/mod.rs:138:13 [INFO] [stdout] | [INFO] [stdout] 138 | Err(Error::new(D4_LEN, len))?; [INFO] [stdout] | ^^^ cannot infer type of the type parameter `T` declared on the enum `Result` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic arguments [INFO] [stdout] | [INFO] [stdout] 138 | Err::(Error::new(D4_LEN, len))?; [INFO] [stdout] | ++++++++++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/uuid-0.8.2/src/builder/mod.rs:246:13 [INFO] [stdout] | [INFO] [stdout] 246 | Err(Error::new(BYTES_LEN, len))?; [INFO] [stdout] | ^^^ cannot infer type of the type parameter `T` declared on the enum `Result` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic arguments [INFO] [stdout] | [INFO] [stdout] 246 | Err::(Error::new(BYTES_LEN, len))?; [INFO] [stdout] | ++++++++++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/uuid-0.8.2/src/builder/mod.rs:353:13 [INFO] [stdout] | [INFO] [stdout] 353 | Err(Error::new(BYTES_LEN, len))?; [INFO] [stdout] | ^^^ cannot infer type of the type parameter `T` declared on the enum `Result` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic arguments [INFO] [stdout] | [INFO] [stdout] 353 | Err::(Error::new(BYTES_LEN, len))?; [INFO] [stdout] | ++++++++++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/uuid-0.8.2/src/parser/mod.rs:67:13 [INFO] [stdout] | [INFO] [stdout] 67 | Err(Error::InvalidLength { [INFO] [stdout] | ^^^ cannot infer type of the type parameter `T` declared on the enum `Result` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic arguments [INFO] [stdout] | [INFO] [stdout] 67 | Err::(Error::InvalidLength { [INFO] [stdout] | +++++++++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 5 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `uuid` (lib) due to 6 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "eb87d8c73a998c123a8f364a1ef872a7e165498e26dd657b1bce3ee31670e80a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eb87d8c73a998c123a8f364a1ef872a7e165498e26dd657b1bce3ee31670e80a", kill_on_drop: false }` [INFO] [stdout] eb87d8c73a998c123a8f364a1ef872a7e165498e26dd657b1bce3ee31670e80a