[INFO] fetching crate shed 1.0.0...
[INFO] testing shed-1.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate shed 1.0.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate shed 1.0.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate shed 1.0.0
[INFO] finished tweaking crates.io crate shed 1.0.0
[INFO] tweaked toml for crates.io crate shed 1.0.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7674f3701e7c45902051ed6a00bc4e53a2a3c4f367ff0ce36bd866f967ce0c97
[INFO] running `Command { std: "docker" "start" "-a" "7674f3701e7c45902051ed6a00bc4e53a2a3c4f367ff0ce36bd866f967ce0c97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7674f3701e7c45902051ed6a00bc4e53a2a3c4f367ff0ce36bd866f967ce0c97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7674f3701e7c45902051ed6a00bc4e53a2a3c4f367ff0ce36bd866f967ce0c97", kill_on_drop: false }`
[INFO] [stdout] 7674f3701e7c45902051ed6a00bc4e53a2a3c4f367ff0ce36bd866f967ce0c97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 981b5ac07f8696617ffccf6232f7d49b576e3526074292b3350318db909f3ed3
[INFO] running `Command { std: "docker" "start" "-a" "981b5ac07f8696617ffccf6232f7d49b576e3526074292b3350318db909f3ed3", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling rmp-serde v0.15.5
[INFO] [stderr]    Compiling shed v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.83s
[INFO] running `Command { std: "docker" "inspect" "981b5ac07f8696617ffccf6232f7d49b576e3526074292b3350318db909f3ed3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "981b5ac07f8696617ffccf6232f7d49b576e3526074292b3350318db909f3ed3", kill_on_drop: false }`
[INFO] [stdout] 981b5ac07f8696617ffccf6232f7d49b576e3526074292b3350318db909f3ed3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0e9ff890b01781d77656bf30d6621b029b662333e9f1f0564749d72251ce006
[INFO] running `Command { std: "docker" "start" "-a" "a0e9ff890b01781d77656bf30d6621b029b662333e9f1f0564749d72251ce006", kill_on_drop: false }`
[INFO] [stderr]    Compiling shed v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "a0e9ff890b01781d77656bf30d6621b029b662333e9f1f0564749d72251ce006", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0e9ff890b01781d77656bf30d6621b029b662333e9f1f0564749d72251ce006", kill_on_drop: false }`
[INFO] [stdout] a0e9ff890b01781d77656bf30d6621b029b662333e9f1f0564749d72251ce006
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 090c2507c2a05a6408b17e4727ddf5931f8b7b9e4826fde4ed95c836c97a553d
[INFO] running `Command { std: "docker" "start" "-a" "090c2507c2a05a6408b17e4727ddf5931f8b7b9e4826fde4ed95c836c97a553d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/shed-2f2ff284caaf3f40)
[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]    Doc-tests shed
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 7) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 7) stdout ----
[INFO] [stdout] Test executable failed (exit code 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 18, kind: CrossesDevices, message: "Invalid cross-device link" }', src/shed.rs:172:69
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x557d892e8630 - <unknown>
[INFO] [stdout]    1:     0x557d893078bc - <unknown>
[INFO] [stdout]    2:     0x557d892e6745 - <unknown>
[INFO] [stdout]    3:     0x557d892ea26b - <unknown>
[INFO] [stdout]    4:     0x557d892e9d41 - <unknown>
[INFO] [stdout]    5:     0x557d892ea934 - <unknown>
[INFO] [stdout]    6:     0x557d892ea417 - <unknown>
[INFO] [stdout]    7:     0x557d892e8b2c - <unknown>
[INFO] [stdout]    8:     0x557d892ea379 - <unknown>
[INFO] [stdout]    9:     0x557d892a7111 - <unknown>
[INFO] [stdout]   10:     0x557d892a7203 - <unknown>
[INFO] [stdout]   11:     0x557d892cd917 - <unknown>
[INFO] [stdout]   12:     0x557d892cd254 - <unknown>
[INFO] [stdout]   13:     0x557d892cbfc1 - <unknown>
[INFO] [stdout]   14:     0x557d892cadf9 - <unknown>
[INFO] [stdout]   15:     0x557d892cad76 - <unknown>
[INFO] [stdout]   16:     0x557d892b7dd3 - <unknown>
[INFO] [stdout]   17:     0x557d892b62d9 - <unknown>
[INFO] [stdout]   18:     0x557d892b67d9 - <unknown>
[INFO] [stdout]   19:     0x557d892eae3a - <unknown>
[INFO] [stdout]   20:     0x557d892b67b1 - <unknown>
[INFO] [stdout]   21:     0x557d892cb133 - <unknown>
[INFO] [stdout]   22:     0x7f98c452a0b3 - __libc_start_main
[INFO] [stdout]   23:     0x557d892a78ce - <unknown>
[INFO] [stdout]   24:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 7)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.64s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "090c2507c2a05a6408b17e4727ddf5931f8b7b9e4826fde4ed95c836c97a553d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "090c2507c2a05a6408b17e4727ddf5931f8b7b9e4826fde4ed95c836c97a553d", kill_on_drop: false }`
[INFO] [stdout] 090c2507c2a05a6408b17e4727ddf5931f8b7b9e4826fde4ed95c836c97a553d