[INFO] fetching crate environment 0.1.1...
[INFO] testing environment-0.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate environment 0.1.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate environment 0.1.1 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 environment 0.1.1
[INFO] finished tweaking crates.io crate environment 0.1.1
[INFO] tweaked toml for crates.io crate environment 0.1.1 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] e0019f92547484ca93187a0b8e38006de949f53b5876da2348e1ff2a02bd3bfd
[INFO] running `Command { std: "docker" "start" "-a" "e0019f92547484ca93187a0b8e38006de949f53b5876da2348e1ff2a02bd3bfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0019f92547484ca93187a0b8e38006de949f53b5876da2348e1ff2a02bd3bfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0019f92547484ca93187a0b8e38006de949f53b5876da2348e1ff2a02bd3bfd", kill_on_drop: false }`
[INFO] [stdout] e0019f92547484ca93187a0b8e38006de949f53b5876da2348e1ff2a02bd3bfd
[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] 53e7fb19893985fbcb02bef08db30c00f0f1ee8d90720afb7f5f55cbfd50fee7
[INFO] running `Command { std: "docker" "start" "-a" "53e7fb19893985fbcb02bef08db30c00f0f1ee8d90720afb7f5f55cbfd50fee7", kill_on_drop: false }`
[INFO] [stderr]    Compiling environment v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "53e7fb19893985fbcb02bef08db30c00f0f1ee8d90720afb7f5f55cbfd50fee7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53e7fb19893985fbcb02bef08db30c00f0f1ee8d90720afb7f5f55cbfd50fee7", kill_on_drop: false }`
[INFO] [stdout] 53e7fb19893985fbcb02bef08db30c00f0f1ee8d90720afb7f5f55cbfd50fee7
[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] 42e220156d4b8b14d11af33a3681bdce3023d9ed304600486e7e1d3460d7c0fd
[INFO] running `Command { std: "docker" "start" "-a" "42e220156d4b8b14d11af33a3681bdce3023d9ed304600486e7e1d3460d7c0fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling environment v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "42e220156d4b8b14d11af33a3681bdce3023d9ed304600486e7e1d3460d7c0fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42e220156d4b8b14d11af33a3681bdce3023d9ed304600486e7e1d3460d7c0fd", kill_on_drop: false }`
[INFO] [stdout] 42e220156d4b8b14d11af33a3681bdce3023d9ed304600486e7e1d3460d7c0fd
[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] 76e2da388f1f1a7767554a347b99717bf6a44a2ec33a0b7329b54e9d2e5eb09f
[INFO] running `Command { std: "docker" "start" "-a" "76e2da388f1f1a7767554a347b99717bf6a44a2ec33a0b7329b54e9d2e5eb09f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/environment-bb297d2dbc43de19)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test::in_place_mod ... ok
[INFO] [stdout] test test::take_ownership ... ok
[INFO] [stdout] test test::empty_env ... ok
[INFO] [stdout] test test::in_place_mod3 ... ok
[INFO] [stdout] test test::in_place_mod2 ... ok
[INFO] [stdout] test test::take_vec ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests environment
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - Environment::inherit (line 26) ... ok
[INFO] [stdout] test src/lib.rs - Environment::empty (line 46) ... ok
[INFO] [stdout] test src/lib.rs - Environment::insert (line 60) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.39s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "76e2da388f1f1a7767554a347b99717bf6a44a2ec33a0b7329b54e9d2e5eb09f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76e2da388f1f1a7767554a347b99717bf6a44a2ec33a0b7329b54e9d2e5eb09f", kill_on_drop: false }`
[INFO] [stdout] 76e2da388f1f1a7767554a347b99717bf6a44a2ec33a0b7329b54e9d2e5eb09f