[INFO] fetching crate tetcore-std 2.1.2...
[INFO] testing tetcore-std-2.1.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate tetcore-std 2.1.2 into /workspace/builds/worker-83/source
[INFO] validating manifest of crates.io crate tetcore-std 2.1.2 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 tetcore-std 2.1.2
[INFO] finished tweaking crates.io crate tetcore-std 2.1.2
[INFO] tweaked toml for crates.io crate tetcore-std 2.1.2 written to /workspace/builds/worker-83/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-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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] f5143b05cbc57497ea6111b79cafbe4f4ff2e55519e1cfe0ccea12cb0b7e4920
[INFO] running `Command { std: "docker" "start" "-a" "f5143b05cbc57497ea6111b79cafbe4f4ff2e55519e1cfe0ccea12cb0b7e4920", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5143b05cbc57497ea6111b79cafbe4f4ff2e55519e1cfe0ccea12cb0b7e4920", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5143b05cbc57497ea6111b79cafbe4f4ff2e55519e1cfe0ccea12cb0b7e4920", kill_on_drop: false }`
[INFO] [stdout] f5143b05cbc57497ea6111b79cafbe4f4ff2e55519e1cfe0ccea12cb0b7e4920
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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] 6932393ebf3ae43b9d51dd6e0e8f9528994e816108eafd881daa0100a47e42b8
[INFO] running `Command { std: "docker" "start" "-a" "6932393ebf3ae43b9d51dd6e0e8f9528994e816108eafd881daa0100a47e42b8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tetcore-std v2.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "6932393ebf3ae43b9d51dd6e0e8f9528994e816108eafd881daa0100a47e42b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6932393ebf3ae43b9d51dd6e0e8f9528994e816108eafd881daa0100a47e42b8", kill_on_drop: false }`
[INFO] [stdout] 6932393ebf3ae43b9d51dd6e0e8f9528994e816108eafd881daa0100a47e42b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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] 38e92eb8bbfc818849a38f43a623e6777a8107b3f7b4f3e86cfc30523936ad38
[INFO] running `Command { std: "docker" "start" "-a" "38e92eb8bbfc818849a38f43a623e6777a8107b3f7b4f3e86cfc30523936ad38", kill_on_drop: false }`
[INFO] [stderr]    Compiling tetcore-std v2.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "38e92eb8bbfc818849a38f43a623e6777a8107b3f7b4f3e86cfc30523936ad38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38e92eb8bbfc818849a38f43a623e6777a8107b3f7b4f3e86cfc30523936ad38", kill_on_drop: false }`
[INFO] [stdout] 38e92eb8bbfc818849a38f43a623e6777a8107b3f7b4f3e86cfc30523936ad38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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] b8c86bd3c0b7e69d59d466cbe79bc08d25660f7deec8107bc56cab6a37248057
[INFO] running `Command { std: "docker" "start" "-a" "b8c86bd3c0b7e69d59d466cbe79bc08d25660f7deec8107bc56cab6a37248057", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tetcore_std-558e33b68e898ca4)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tetcore-std
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - if_std (line 39) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.75s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b8c86bd3c0b7e69d59d466cbe79bc08d25660f7deec8107bc56cab6a37248057", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8c86bd3c0b7e69d59d466cbe79bc08d25660f7deec8107bc56cab6a37248057", kill_on_drop: false }`
[INFO] [stdout] b8c86bd3c0b7e69d59d466cbe79bc08d25660f7deec8107bc56cab6a37248057