[INFO] fetching crate env-extractor 0.0.7...
[INFO] testing env-extractor-0.0.7 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate env-extractor 0.0.7 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate env-extractor 0.0.7 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate env-extractor 0.0.7
[INFO] finished tweaking crates.io crate env-extractor 0.0.7
[INFO] tweaked toml for crates.io crate env-extractor 0.0.7 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e5cf76e21755b63d24d32e7841a8ad9f7c1dc9c8502f84059dd0000d29bf6560
[INFO] running `Command { std: "docker" "start" "-a" "e5cf76e21755b63d24d32e7841a8ad9f7c1dc9c8502f84059dd0000d29bf6560", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5cf76e21755b63d24d32e7841a8ad9f7c1dc9c8502f84059dd0000d29bf6560", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5cf76e21755b63d24d32e7841a8ad9f7c1dc9c8502f84059dd0000d29bf6560", kill_on_drop: false }`
[INFO] [stdout] e5cf76e21755b63d24d32e7841a8ad9f7c1dc9c8502f84059dd0000d29bf6560
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6a810bd56117f8d25573e93bb9d21e3737bf173edae656c1e69a5d55515b7f53
[INFO] running `Command { std: "docker" "start" "-a" "6a810bd56117f8d25573e93bb9d21e3737bf173edae656c1e69a5d55515b7f53", kill_on_drop: false }`
[INFO] [stderr]    Compiling env-extractor v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "6a810bd56117f8d25573e93bb9d21e3737bf173edae656c1e69a5d55515b7f53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a810bd56117f8d25573e93bb9d21e3737bf173edae656c1e69a5d55515b7f53", kill_on_drop: false }`
[INFO] [stdout] 6a810bd56117f8d25573e93bb9d21e3737bf173edae656c1e69a5d55515b7f53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5571f67c55efe009704e9387d05e33a7062f29a43e3dfc12669bf30741efcd02
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5571f67c55efe009704e9387d05e33a7062f29a43e3dfc12669bf30741efcd02", kill_on_drop: false }`
[INFO] [stderr]    Compiling env-extractor v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.11s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/env_extractor-8f1b53c4c526d2f6)
[INFO] running `Command { std: "docker" "inspect" "5571f67c55efe009704e9387d05e33a7062f29a43e3dfc12669bf30741efcd02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5571f67c55efe009704e9387d05e33a7062f29a43e3dfc12669bf30741efcd02", kill_on_drop: false }`
[INFO] [stdout] 5571f67c55efe009704e9387d05e33a7062f29a43e3dfc12669bf30741efcd02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 93e29fd60c94cc74d5d90a169229bfc251aca75304c8281291aa3c402c7595ee
[INFO] running `Command { std: "docker" "start" "-a" "93e29fd60c94cc74d5d90a169229bfc251aca75304c8281291aa3c402c7595ee", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/env_extractor-8f1b53c4c526d2f6)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::test_required::return_value_if_key_found ... ok
[INFO] [stdout] test tests::test_required::can_call_from_str_if_defined ... ok
[INFO] [stdout] test tests::test_optional::can_call_from_str_if_defined ... ok
[INFO] [stdout] test tests::test_required::return_error_if_not_found ... ok
[INFO] [stdout] test tests::test_optional::return_none_if_not_found ... ok
[INFO] [stderr]    Doc-tests env-extractor
[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] [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] running `Command { std: "docker" "inspect" "93e29fd60c94cc74d5d90a169229bfc251aca75304c8281291aa3c402c7595ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93e29fd60c94cc74d5d90a169229bfc251aca75304c8281291aa3c402c7595ee", kill_on_drop: false }`
[INFO] [stdout] 93e29fd60c94cc74d5d90a169229bfc251aca75304c8281291aa3c402c7595ee