[INFO] fetching crate composing 0.2.0...
[INFO] testing composing-0.2.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate composing 0.2.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate composing 0.2.0
[INFO] finished tweaking crates.io crate composing 0.2.0
[INFO] tweaked toml for crates.io crate composing 0.2.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate composing 0.2.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a54181c75fa57cdf21f6c1c203f75dd5f7116cbeaf70196beec93b1e1c5a339b
[INFO] running `Command { std: "docker" "start" "-a" "a54181c75fa57cdf21f6c1c203f75dd5f7116cbeaf70196beec93b1e1c5a339b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a54181c75fa57cdf21f6c1c203f75dd5f7116cbeaf70196beec93b1e1c5a339b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a54181c75fa57cdf21f6c1c203f75dd5f7116cbeaf70196beec93b1e1c5a339b", kill_on_drop: false }`
[INFO] [stdout] a54181c75fa57cdf21f6c1c203f75dd5f7116cbeaf70196beec93b1e1c5a339b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15d43bde00c5b7dde16b61151f0e98eff63270418abe75d58edfec00b60529de
[INFO] running `Command { std: "docker" "start" "-a" "15d43bde00c5b7dde16b61151f0e98eff63270418abe75d58edfec00b60529de", kill_on_drop: false }`
[INFO] [stderr]    Compiling composing v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "15d43bde00c5b7dde16b61151f0e98eff63270418abe75d58edfec00b60529de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15d43bde00c5b7dde16b61151f0e98eff63270418abe75d58edfec00b60529de", kill_on_drop: false }`
[INFO] [stdout] 15d43bde00c5b7dde16b61151f0e98eff63270418abe75d58edfec00b60529de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 133a69b5fbb6e85908f75eeaccae83f46873ae9ef42aa44a153963fbb7b20aa0
[INFO] running `Command { std: "docker" "start" "-a" "133a69b5fbb6e85908f75eeaccae83f46873ae9ef42aa44a153963fbb7b20aa0", kill_on_drop: false }`
[INFO] [stderr]    Compiling composing v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/lib.rs:122:9
[INFO] [stdout]     |
[INFO] [stdout] 122 |     use super::*;
[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 0.82s
[INFO] running `Command { std: "docker" "inspect" "133a69b5fbb6e85908f75eeaccae83f46873ae9ef42aa44a153963fbb7b20aa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "133a69b5fbb6e85908f75eeaccae83f46873ae9ef42aa44a153963fbb7b20aa0", kill_on_drop: false }`
[INFO] [stdout] 133a69b5fbb6e85908f75eeaccae83f46873ae9ef42aa44a153963fbb7b20aa0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e5c6ac8411d3ef5a696818a7d94ae1dd66c539da8672c6c68332b44bd6baeb50
[INFO] running `Command { std: "docker" "start" "-a" "e5c6ac8411d3ef5a696818a7d94ae1dd66c539da8672c6c68332b44bd6baeb50", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]    --> src/lib.rs:122:9
[INFO] [stderr]     |
[INFO] [stderr] 122 |     use super::*;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `composing` (lib test) generated 1 warning (run `cargo fix --lib -p composing --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/composing-7b7719d1848265c1)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::expr_right_to_left ... ok
[INFO] [stdout] test tests::fn_left_to_right ... ok
[INFO] [stdout] test tests::fn_right_to_left ... ok
[INFO] [stdout] test tests::expr_left_to_right ... ok
[INFO] [stdout] test tests::advanced ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration_advanced.rs (/opt/rustwide/target/debug/deps/integration_advanced-eba9df45e3883def)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test advanced ... 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]      Running tests/integration_expr.rs (/opt/rustwide/target/debug/deps/integration_expr-99a3870939605197)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test expr_left_to_right ... ok
[INFO] [stdout] test expr_right_to_left ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration_fn.rs (/opt/rustwide/target/debug/deps/integration_fn-e71b8b42442e701b)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test fn_right_to_left ... ok
[INFO] [stdout] test fn_left_to_right ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests composing
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - compose_expr (line 49) ... ok
[INFO] [stdout] test src/lib.rs - compose_fn (line 98) ... ok
[INFO] [stdout] test src/lib.rs - compose_expr (line 58) ... ok
[INFO] [stdout] test src/lib.rs - compose_fn (line 107) ... ok
[INFO] [stdout] test src/lib.rs - (line 12) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.62s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e5c6ac8411d3ef5a696818a7d94ae1dd66c539da8672c6c68332b44bd6baeb50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5c6ac8411d3ef5a696818a7d94ae1dd66c539da8672c6c68332b44bd6baeb50", kill_on_drop: false }`
[INFO] [stdout] e5c6ac8411d3ef5a696818a7d94ae1dd66c539da8672c6c68332b44bd6baeb50