[INFO] fetching crate feature-check 1.0.1...
[INFO] testing feature-check-1.0.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate feature-check 1.0.1 into /workspace/builds/worker-29/source
[INFO] validating manifest of crates.io crate feature-check 1.0.1 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate feature-check 1.0.1
[INFO] finished tweaking crates.io crate feature-check 1.0.1
[INFO] tweaked toml for crates.io crate feature-check 1.0.1 written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] crate crates.io crate feature-check 1.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c9dfe4d9520eae47252d668d120a990e366680116942f70c8a5fbf85124b847
[INFO] running `Command { std: "docker" "start" "-a" "2c9dfe4d9520eae47252d668d120a990e366680116942f70c8a5fbf85124b847", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c9dfe4d9520eae47252d668d120a990e366680116942f70c8a5fbf85124b847", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c9dfe4d9520eae47252d668d120a990e366680116942f70c8a5fbf85124b847", kill_on_drop: false }`
[INFO] [stdout] 2c9dfe4d9520eae47252d668d120a990e366680116942f70c8a5fbf85124b847
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7cecffcc3626f51e6f53d8204e4c420f1989192a9effb0b25f26cf52fbed998
[INFO] running `Command { std: "docker" "start" "-a" "e7cecffcc3626f51e6f53d8204e4c420f1989192a9effb0b25f26cf52fbed998", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.132
[INFO] [stderr]    Compiling serde_json v1.0.73
[INFO] [stderr]    Compiling expect-exit v0.4.1
[INFO] [stderr]    Compiling quick-error v2.0.1
[INFO] [stderr]    Compiling feature-check v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.04s
[INFO] running `Command { std: "docker" "inspect" "e7cecffcc3626f51e6f53d8204e4c420f1989192a9effb0b25f26cf52fbed998", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7cecffcc3626f51e6f53d8204e4c420f1989192a9effb0b25f26cf52fbed998", kill_on_drop: false }`
[INFO] [stdout] e7cecffcc3626f51e6f53d8204e4c420f1989192a9effb0b25f26cf52fbed998
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e4116ba0de506beee614e518f31f8a369285ca5e22647a63dcf14a59c33f390
[INFO] running `Command { std: "docker" "start" "-a" "5e4116ba0de506beee614e518f31f8a369285ca5e22647a63dcf14a59c33f390", kill_on_drop: false }`
[INFO] [stderr]    Compiling feature-check v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "5e4116ba0de506beee614e518f31f8a369285ca5e22647a63dcf14a59c33f390", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e4116ba0de506beee614e518f31f8a369285ca5e22647a63dcf14a59c33f390", kill_on_drop: false }`
[INFO] [stdout] 5e4116ba0de506beee614e518f31f8a369285ca5e22647a63dcf14a59c33f390
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9dec1bfe54778d2d640dedbe75f987d8ba6ec28c9a4029fc01df73dfeb29be5c
[INFO] running `Command { std: "docker" "start" "-a" "9dec1bfe54778d2d640dedbe75f987d8ba6ec28c9a4029fc01df73dfeb29be5c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/feature_check-54594780c7bc0701)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/feature_check-956c5e95d34fda08)
[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] [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 feature-check
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 35) ... ok
[INFO] [stdout] test src/version.rs - version (line 32) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.85s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9dec1bfe54778d2d640dedbe75f987d8ba6ec28c9a4029fc01df73dfeb29be5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dec1bfe54778d2d640dedbe75f987d8ba6ec28c9a4029fc01df73dfeb29be5c", kill_on_drop: false }`
[INFO] [stdout] 9dec1bfe54778d2d640dedbe75f987d8ba6ec28c9a4029fc01df73dfeb29be5c