[INFO] fetching crate tet-std 0.0.0...
[INFO] testing tet-std-0.0.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate tet-std 0.0.0 into /workspace/builds/worker-41/source
[INFO] validating manifest of crates.io crate tet-std 0.0.0 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 tet-std 0.0.0
[INFO] finished tweaking crates.io crate tet-std 0.0.0
[INFO] tweaked toml for crates.io crate tet-std 0.0.0 written to /workspace/builds/worker-41/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-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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] 06bb3d8c4a3448c497b334d36b7daca6fe5fa9d9820f9701c5cbf321c58f787d
[INFO] running `Command { std: "docker" "start" "-a" "06bb3d8c4a3448c497b334d36b7daca6fe5fa9d9820f9701c5cbf321c58f787d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06bb3d8c4a3448c497b334d36b7daca6fe5fa9d9820f9701c5cbf321c58f787d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06bb3d8c4a3448c497b334d36b7daca6fe5fa9d9820f9701c5cbf321c58f787d", kill_on_drop: false }`
[INFO] [stdout] 06bb3d8c4a3448c497b334d36b7daca6fe5fa9d9820f9701c5cbf321c58f787d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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] 57277d17659e12d6938d1c223d91b42373e24d8f377666fae84b595bb923ab47
[INFO] running `Command { std: "docker" "start" "-a" "57277d17659e12d6938d1c223d91b42373e24d8f377666fae84b595bb923ab47", kill_on_drop: false }`
[INFO] [stderr]    Compiling tet-std v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "57277d17659e12d6938d1c223d91b42373e24d8f377666fae84b595bb923ab47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57277d17659e12d6938d1c223d91b42373e24d8f377666fae84b595bb923ab47", kill_on_drop: false }`
[INFO] [stdout] 57277d17659e12d6938d1c223d91b42373e24d8f377666fae84b595bb923ab47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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] 1affeae4b2756492fd975eb2de18de3ae82ab70c133520ad1bcbb7293bc21f37
[INFO] running `Command { std: "docker" "start" "-a" "1affeae4b2756492fd975eb2de18de3ae82ab70c133520ad1bcbb7293bc21f37", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tet-std v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.88s
[INFO] running `Command { std: "docker" "inspect" "1affeae4b2756492fd975eb2de18de3ae82ab70c133520ad1bcbb7293bc21f37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1affeae4b2756492fd975eb2de18de3ae82ab70c133520ad1bcbb7293bc21f37", kill_on_drop: false }`
[INFO] [stdout] 1affeae4b2756492fd975eb2de18de3ae82ab70c133520ad1bcbb7293bc21f37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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] ee276225ea1f9327cf6875685d799679dd6da31fa44dbddd098fe37066d2bbc7
[INFO] running `Command { std: "docker" "start" "-a" "ee276225ea1f9327cf6875685d799679dd6da31fa44dbddd098fe37066d2bbc7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tet_std-500831a9f7232f0a)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests tet-std
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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" "ee276225ea1f9327cf6875685d799679dd6da31fa44dbddd098fe37066d2bbc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee276225ea1f9327cf6875685d799679dd6da31fa44dbddd098fe37066d2bbc7", kill_on_drop: false }`
[INFO] [stdout] ee276225ea1f9327cf6875685d799679dd6da31fa44dbddd098fe37066d2bbc7