[INFO] fetching crate datatest-stable 0.1.1...
[INFO] testing datatest-stable-0.1.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate datatest-stable 0.1.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate datatest-stable 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 datatest-stable 0.1.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate datatest-stable 0.1.1
[INFO] tweaked toml for crates.io crate datatest-stable 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] 2b61cbaef7340a34354b01280ea710c7d64c1f284d55f3778f31c4a51a62060a
[INFO] running `Command { std: "docker" "start" "-a" "2b61cbaef7340a34354b01280ea710c7d64c1f284d55f3778f31c4a51a62060a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b61cbaef7340a34354b01280ea710c7d64c1f284d55f3778f31c4a51a62060a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b61cbaef7340a34354b01280ea710c7d64c1f284d55f3778f31c4a51a62060a", kill_on_drop: false }`
[INFO] [stdout] 2b61cbaef7340a34354b01280ea710c7d64c1f284d55f3778f31c4a51a62060a
[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] ce1da6c7ba096159cfbcb59f270ebd914292345b9dd245157732aac13c17d5ff
[INFO] running `Command { std: "docker" "start" "-a" "ce1da6c7ba096159cfbcb59f270ebd914292345b9dd245157732aac13c17d5ff", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling structopt-derive v0.4.16
[INFO] [stderr]    Compiling structopt v0.3.23
[INFO] [stderr]    Compiling datatest-stable v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.33s
[INFO] running `Command { std: "docker" "inspect" "ce1da6c7ba096159cfbcb59f270ebd914292345b9dd245157732aac13c17d5ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce1da6c7ba096159cfbcb59f270ebd914292345b9dd245157732aac13c17d5ff", kill_on_drop: false }`
[INFO] [stdout] ce1da6c7ba096159cfbcb59f270ebd914292345b9dd245157732aac13c17d5ff
[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] 1a8f528c888f4f2a7a0d7bdb42a42b273f05b80920c90de81e6709ee9563e5fc
[INFO] running `Command { std: "docker" "start" "-a" "1a8f528c888f4f2a7a0d7bdb42a42b273f05b80920c90de81e6709ee9563e5fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling datatest-stable v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.54s
[INFO] running `Command { std: "docker" "inspect" "1a8f528c888f4f2a7a0d7bdb42a42b273f05b80920c90de81e6709ee9563e5fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a8f528c888f4f2a7a0d7bdb42a42b273f05b80920c90de81e6709ee9563e5fc", kill_on_drop: false }`
[INFO] [stdout] 1a8f528c888f4f2a7a0d7bdb42a42b273f05b80920c90de81e6709ee9563e5fc
[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] 09d45eee3f72f15b9ef3c38e0b26d20d2642dcacf0c3ec10044b646ac96b9cb3
[INFO] running `Command { std: "docker" "start" "-a" "09d45eee3f72f15b9ef3c38e0b26d20d2642dcacf0c3ec10044b646ac96b9cb3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/datatest_stable-fff0490d8ac42636)
[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] [stderr]      Running tests/example.rs (/opt/rustwide/target/debug/deps/example-29d07a0ef00484bf)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_artifact::b ... ok
[INFO] [stderr]    Doc-tests datatest-stable
[INFO] [stdout] test test_artifact::a ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 42) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.47s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "09d45eee3f72f15b9ef3c38e0b26d20d2642dcacf0c3ec10044b646ac96b9cb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09d45eee3f72f15b9ef3c38e0b26d20d2642dcacf0c3ec10044b646ac96b9cb3", kill_on_drop: false }`
[INFO] [stdout] 09d45eee3f72f15b9ef3c38e0b26d20d2642dcacf0c3ec10044b646ac96b9cb3