[INFO] fetching crate is-impl 0.1.1...
[INFO] testing is-impl-0.1.1 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate is-impl 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate is-impl 0.1.1
[INFO] finished tweaking crates.io crate is-impl 0.1.1
[INFO] tweaked toml for crates.io crate is-impl 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate is-impl 0.1.1 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate is-impl 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d1f12ead21c0a64fbb5a6c389ba8d5a7f852d85bcda9606a05c5835e867c158
[INFO] running `Command { std: "docker" "start" "-a" "5d1f12ead21c0a64fbb5a6c389ba8d5a7f852d85bcda9606a05c5835e867c158", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d1f12ead21c0a64fbb5a6c389ba8d5a7f852d85bcda9606a05c5835e867c158", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d1f12ead21c0a64fbb5a6c389ba8d5a7f852d85bcda9606a05c5835e867c158", kill_on_drop: false }`
[INFO] [stdout] 5d1f12ead21c0a64fbb5a6c389ba8d5a7f852d85bcda9606a05c5835e867c158
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 539305a0649354d77515cf1436f60cabfe61332f8eafa2b42b2ea7a8d6d017ee
[INFO] running `Command { std: "docker" "start" "-a" "539305a0649354d77515cf1436f60cabfe61332f8eafa2b42b2ea7a8d6d017ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling is-impl v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "539305a0649354d77515cf1436f60cabfe61332f8eafa2b42b2ea7a8d6d017ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "539305a0649354d77515cf1436f60cabfe61332f8eafa2b42b2ea7a8d6d017ee", kill_on_drop: false }`
[INFO] [stdout] 539305a0649354d77515cf1436f60cabfe61332f8eafa2b42b2ea7a8d6d017ee
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa918880d45aca62998bb43dd236822e1ad0ad0f40173a952cf5b6836f5cd2ed
[INFO] running `Command { std: "docker" "start" "-a" "aa918880d45aca62998bb43dd236822e1ad0ad0f40173a952cf5b6836f5cd2ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling num_cpus v1.11.0
[INFO] [stderr]    Compiling futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling is-impl v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `A` is never used
[INFO] [stdout]   --> src/lib.rs:66:11
[INFO] [stdout]    |
[INFO] [stdout] 66 |     trait A {}
[INFO] [stdout]    |           ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.89s
[INFO] running `Command { std: "docker" "inspect" "aa918880d45aca62998bb43dd236822e1ad0ad0f40173a952cf5b6836f5cd2ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa918880d45aca62998bb43dd236822e1ad0ad0f40173a952cf5b6836f5cd2ed", kill_on_drop: false }`
[INFO] [stdout] aa918880d45aca62998bb43dd236822e1ad0ad0f40173a952cf5b6836f5cd2ed
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b0715087a71cac744d7fba4b2705dbb72cc129f1e8ef31ba2fb521b54dd82e02
[INFO] running `Command { std: "docker" "start" "-a" "b0715087a71cac744d7fba4b2705dbb72cc129f1e8ef31ba2fb521b54dd82e02", kill_on_drop: false }`
[INFO] [stderr] warning: trait `A` is never used
[INFO] [stderr]   --> src/lib.rs:66:11
[INFO] [stderr]    |
[INFO] [stderr] 66 |     trait A {}
[INFO] [stderr]    |           ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `is-impl` (lib test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/is_impl-7502095a56e3ca6a)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::basic_usage ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests is_impl
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - is_impl (line 14) ... ok
[INFO] [stdout] test src/lib.rs - is_impl (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.33s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b0715087a71cac744d7fba4b2705dbb72cc129f1e8ef31ba2fb521b54dd82e02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0715087a71cac744d7fba4b2705dbb72cc129f1e8ef31ba2fb521b54dd82e02", kill_on_drop: false }`
[INFO] [stdout] b0715087a71cac744d7fba4b2705dbb72cc129f1e8ef31ba2fb521b54dd82e02