[INFO] fetching crate wait4 0.1.3...
[INFO] testing wait4-0.1.3 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate wait4 0.1.3 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate wait4 0.1.3
[INFO] finished tweaking crates.io crate wait4 0.1.3
[INFO] tweaked toml for crates.io crate wait4 0.1.3 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wait4 0.1.3 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate wait4 0.1.3 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e74bd66370475c5dd05361b92b36af0c61d343e2795e341061a6f009cbfd7a4
[INFO] running `Command { std: "docker" "start" "-a" "2e74bd66370475c5dd05361b92b36af0c61d343e2795e341061a6f009cbfd7a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e74bd66370475c5dd05361b92b36af0c61d343e2795e341061a6f009cbfd7a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e74bd66370475c5dd05361b92b36af0c61d343e2795e341061a6f009cbfd7a4", kill_on_drop: false }`
[INFO] [stdout] 2e74bd66370475c5dd05361b92b36af0c61d343e2795e341061a6f009cbfd7a4
[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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30e2ceb4dcb095665682abda02998754bf8cfaef12cf1f3bb65c1c5839728eac
[INFO] running `Command { std: "docker" "start" "-a" "30e2ceb4dcb095665682abda02998754bf8cfaef12cf1f3bb65c1c5839728eac", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling wait4 v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `unix::*`
[INFO] [stdout]   --> src/lib.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 |         pub use unix::*;
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "30e2ceb4dcb095665682abda02998754bf8cfaef12cf1f3bb65c1c5839728eac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30e2ceb4dcb095665682abda02998754bf8cfaef12cf1f3bb65c1c5839728eac", kill_on_drop: false }`
[INFO] [stdout] 30e2ceb4dcb095665682abda02998754bf8cfaef12cf1f3bb65c1c5839728eac
[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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a58c1994b0ca7a15eaeea6280a4bf7c6581c8cd9fe4fda544ea9be56f10af341
[INFO] running `Command { std: "docker" "start" "-a" "a58c1994b0ca7a15eaeea6280a4bf7c6581c8cd9fe4fda544ea9be56f10af341", kill_on_drop: false }`
[INFO] [stderr]    Compiling human_format v1.0.3
[INFO] [stdout] warning: unused import: `unix::*`
[INFO] [stdout]   --> src/lib.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 |         pub use unix::*;
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling wait4 v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `unix::*`
[INFO] [stdout]   --> src/lib.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 |         pub use unix::*;
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "a58c1994b0ca7a15eaeea6280a4bf7c6581c8cd9fe4fda544ea9be56f10af341", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a58c1994b0ca7a15eaeea6280a4bf7c6581c8cd9fe4fda544ea9be56f10af341", kill_on_drop: false }`
[INFO] [stdout] a58c1994b0ca7a15eaeea6280a4bf7c6581c8cd9fe4fda544ea9be56f10af341
[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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 608fdd9f7da3600e8c0136434ce55de50462d69e730dcdd53db64ec7f89db78e
[INFO] running `Command { std: "docker" "start" "-a" "608fdd9f7da3600e8c0136434ce55de50462d69e730dcdd53db64ec7f89db78e", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `unix::*`
[INFO] [stderr]   --> src/lib.rs:53:17
[INFO] [stderr]    |
[INFO] [stderr] 53 |         pub use unix::*;
[INFO] [stderr]    |                 ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `wait4` (lib) generated 1 warning (run `cargo fix --lib -p wait4` to apply 1 suggestion)
[INFO] [stderr] warning: `wait4` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/wait4-bd963e2bb938bf79)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests wait4
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "608fdd9f7da3600e8c0136434ce55de50462d69e730dcdd53db64ec7f89db78e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "608fdd9f7da3600e8c0136434ce55de50462d69e730dcdd53db64ec7f89db78e", kill_on_drop: false }`
[INFO] [stdout] 608fdd9f7da3600e8c0136434ce55de50462d69e730dcdd53db64ec7f89db78e