[INFO] fetching crate annotate-output 0.1.1...
[INFO] checking annotate-output-0.1.1 against try#88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c for pr-154887
[INFO] extracting crate annotate-output 0.1.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate annotate-output 0.1.1
[INFO] finished tweaking crates.io crate annotate-output 0.1.1
[INFO] tweaked toml for crates.io crate annotate-output 0.1.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate annotate-output 0.1.1 on toolchain 88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate annotate-output 0.1.1 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" "+88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 927f61dd8a61873dbbabdd3c29eed69de5ef92303d0a479a54ee6a823d3d1d8b
[INFO] running `Command { std: "docker" "start" "-a" "927f61dd8a61873dbbabdd3c29eed69de5ef92303d0a479a54ee6a823d3d1d8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "927f61dd8a61873dbbabdd3c29eed69de5ef92303d0a479a54ee6a823d3d1d8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "927f61dd8a61873dbbabdd3c29eed69de5ef92303d0a479a54ee6a823d3d1d8b", kill_on_drop: false }`
[INFO] [stdout] 927f61dd8a61873dbbabdd3c29eed69de5ef92303d0a479a54ee6a823d3d1d8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a41c0329cdd004200bfffbba00334b237ccad1a747cdf18f9221f9e31542849
[INFO] running `Command { std: "docker" "start" "-a" "9a41c0329cdd004200bfffbba00334b237ccad1a747cdf18f9221f9e31542849", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking nix v0.24.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking annotate-output v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/main.rs:61:17
[INFO] [stdout]    |
[INFO] [stdout] 61 |             Err(execvp(cargs[0].as_c_str(), &cargs)?.into())
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable call
[INFO] [stdout]   --> src/main.rs:61:54
[INFO] [stdout]    |
[INFO] [stdout] 61 |             Err(execvp(cargs[0].as_c_str(), &cargs)?.into())
[INFO] [stdout]    |                 ------------------------------------ ^^^^ unreachable call
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 any code following this expression is unreachable
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/main.rs:61:17
[INFO] [stdout]    |
[INFO] [stdout] 61 |             Err(execvp(cargs[0].as_c_str(), &cargs)?.into())
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable call
[INFO] [stdout]   --> src/main.rs:61:54
[INFO] [stdout]    |
[INFO] [stdout] 61 |             Err(execvp(cargs[0].as_c_str(), &cargs)?.into())
[INFO] [stdout]    |                 ------------------------------------ ^^^^ unreachable call
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 any code following this expression is unreachable
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `annotate-output` (bin "annotate-output") due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `annotate-output` (bin "annotate-output" test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "9a41c0329cdd004200bfffbba00334b237ccad1a747cdf18f9221f9e31542849", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a41c0329cdd004200bfffbba00334b237ccad1a747cdf18f9221f9e31542849", kill_on_drop: false }`
[INFO] [stdout] 9a41c0329cdd004200bfffbba00334b237ccad1a747cdf18f9221f9e31542849