[INFO] fetching crate environment 0.1.1...
[INFO] testing environment-0.1.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate environment 0.1.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate environment 0.1.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1bc7ba1d6cd54cb466e7e185666919dc3cc8d18db10e4a89aae607a9a79bc95
[INFO] running `Command { std: "docker" "start" "-a" "d1bc7ba1d6cd54cb466e7e185666919dc3cc8d18db10e4a89aae607a9a79bc95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1bc7ba1d6cd54cb466e7e185666919dc3cc8d18db10e4a89aae607a9a79bc95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1bc7ba1d6cd54cb466e7e185666919dc3cc8d18db10e4a89aae607a9a79bc95", kill_on_drop: false }`
[INFO] [stdout] d1bc7ba1d6cd54cb466e7e185666919dc3cc8d18db10e4a89aae607a9a79bc95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9c1460e8331371f114e0a062f155c75c9ff5edb97e8a776f10d73221a61405e
[INFO] running `Command { std: "docker" "start" "-a" "d9c1460e8331371f114e0a062f155c75c9ff5edb97e8a776f10d73221a61405e", kill_on_drop: false }`
[INFO] [stderr]    Compiling environment v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "d9c1460e8331371f114e0a062f155c75c9ff5edb97e8a776f10d73221a61405e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9c1460e8331371f114e0a062f155c75c9ff5edb97e8a776f10d73221a61405e", kill_on_drop: false }`
[INFO] [stdout] d9c1460e8331371f114e0a062f155c75c9ff5edb97e8a776f10d73221a61405e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c512376a0abcb70f7450bdca44bdc40d029c363f78ba47d25d2c59beba55d7e
[INFO] running `Command { std: "docker" "start" "-a" "0c512376a0abcb70f7450bdca44bdc40d029c363f78ba47d25d2c59beba55d7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling environment v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "0c512376a0abcb70f7450bdca44bdc40d029c363f78ba47d25d2c59beba55d7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c512376a0abcb70f7450bdca44bdc40d029c363f78ba47d25d2c59beba55d7e", kill_on_drop: false }`
[INFO] [stdout] 0c512376a0abcb70f7450bdca44bdc40d029c363f78ba47d25d2c59beba55d7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e22ff5003e181cc6af1812cd33574d948acf667b1c6600a74a26747d7cb42166
[INFO] running `Command { std: "docker" "start" "-a" "e22ff5003e181cc6af1812cd33574d948acf667b1c6600a74a26747d7cb42166", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/environment-2019edd9b5e4c805)
[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::in_place_mod3 ... ok
[INFO] [stdout] test test::empty_env ... 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 0.29s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e22ff5003e181cc6af1812cd33574d948acf667b1c6600a74a26747d7cb42166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e22ff5003e181cc6af1812cd33574d948acf667b1c6600a74a26747d7cb42166", kill_on_drop: false }`
[INFO] [stdout] e22ff5003e181cc6af1812cd33574d948acf667b1c6600a74a26747d7cb42166