[INFO] fetching crate env-test-util 1.0.1...
[INFO] testing env-test-util-1.0.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate env-test-util 1.0.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate env-test-util 1.0.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate env-test-util 1.0.1
[INFO] finished tweaking crates.io crate env-test-util 1.0.1
[INFO] tweaked toml for crates.io crate env-test-util 1.0.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94e8324917a745d0581117df547e471e597af969461ea40f266addd73966ae84
[INFO] running `Command { std: "docker" "start" "-a" "94e8324917a745d0581117df547e471e597af969461ea40f266addd73966ae84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94e8324917a745d0581117df547e471e597af969461ea40f266addd73966ae84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94e8324917a745d0581117df547e471e597af969461ea40f266addd73966ae84", kill_on_drop: false }`
[INFO] [stdout] 94e8324917a745d0581117df547e471e597af969461ea40f266addd73966ae84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77c97b1f503c16166596e3b016809a16c307eda2cc17f7f37ad0d42e8a0b5987
[INFO] running `Command { std: "docker" "start" "-a" "77c97b1f503c16166596e3b016809a16c307eda2cc17f7f37ad0d42e8a0b5987", kill_on_drop: false }`
[INFO] [stderr]    Compiling env-test-util v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "77c97b1f503c16166596e3b016809a16c307eda2cc17f7f37ad0d42e8a0b5987", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77c97b1f503c16166596e3b016809a16c307eda2cc17f7f37ad0d42e8a0b5987", kill_on_drop: false }`
[INFO] [stdout] 77c97b1f503c16166596e3b016809a16c307eda2cc17f7f37ad0d42e8a0b5987
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4568b1a4ccb1a98e016d1ce97d67a8d1061e1aa5a21534cb677da608f0e2b49a
[INFO] running `Command { std: "docker" "start" "-a" "4568b1a4ccb1a98e016d1ce97d67a8d1061e1aa5a21534cb677da608f0e2b49a", kill_on_drop: false }`
[INFO] [stderr]    Compiling env-test-util v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "4568b1a4ccb1a98e016d1ce97d67a8d1061e1aa5a21534cb677da608f0e2b49a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4568b1a4ccb1a98e016d1ce97d67a8d1061e1aa5a21534cb677da608f0e2b49a", kill_on_drop: false }`
[INFO] [stdout] 4568b1a4ccb1a98e016d1ce97d67a8d1061e1aa5a21534cb677da608f0e2b49a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 568bacb26651f2195dd18b6f64eb09c93032e26a9c0992c8e95748066f9ae68e
[INFO] running `Command { std: "docker" "start" "-a" "568bacb26651f2195dd18b6f64eb09c93032e26a9c0992c8e95748066f9ae68e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/env_test_util-67e6acfc1bcba40a)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::with_existing_variable ... ok
[INFO] [stdout] test tests::with_non_existing_variable ... 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]    Doc-tests env-test-util
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - TempEnvVar (line 9) ... ok
[INFO] [stdout] test src/lib.rs - TempEnvVar (line 23) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.36s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "568bacb26651f2195dd18b6f64eb09c93032e26a9c0992c8e95748066f9ae68e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "568bacb26651f2195dd18b6f64eb09c93032e26a9c0992c8e95748066f9ae68e", kill_on_drop: false }`
[INFO] [stdout] 568bacb26651f2195dd18b6f64eb09c93032e26a9c0992c8e95748066f9ae68e