[INFO] fetching crate shed 1.0.0...
[INFO] testing shed-1.0.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate shed 1.0.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate shed 1.0.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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] 2d22917e2235b1bc1f51c1a3b4a87bce29e59ca5697e655fcdb6e953f9009e1f
[INFO] running `Command { std: "docker" "start" "-a" "2d22917e2235b1bc1f51c1a3b4a87bce29e59ca5697e655fcdb6e953f9009e1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d22917e2235b1bc1f51c1a3b4a87bce29e59ca5697e655fcdb6e953f9009e1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d22917e2235b1bc1f51c1a3b4a87bce29e59ca5697e655fcdb6e953f9009e1f", kill_on_drop: false }`
[INFO] [stdout] 2d22917e2235b1bc1f51c1a3b4a87bce29e59ca5697e655fcdb6e953f9009e1f
[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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d18ea05d9800455ec056a9710915dab01ed34f50de15b69bef7d60c936595be
[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" "6d18ea05d9800455ec056a9710915dab01ed34f50de15b69bef7d60c936595be", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling rmp v0.8.10
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[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 17.69s
[INFO] running `Command { std: "docker" "inspect" "6d18ea05d9800455ec056a9710915dab01ed34f50de15b69bef7d60c936595be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d18ea05d9800455ec056a9710915dab01ed34f50de15b69bef7d60c936595be", kill_on_drop: false }`
[INFO] [stdout] 6d18ea05d9800455ec056a9710915dab01ed34f50de15b69bef7d60c936595be
[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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--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] 2e1ae7997530e29dc38418b1aa105faa9053bb1981b3b3367e846d595615ae43
[INFO] running `Command { std: "docker" "start" "-a" "2e1ae7997530e29dc38418b1aa105faa9053bb1981b3b3367e846d595615ae43", kill_on_drop: false }`
[INFO] [stderr]    Compiling shed v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "2e1ae7997530e29dc38418b1aa105faa9053bb1981b3b3367e846d595615ae43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e1ae7997530e29dc38418b1aa105faa9053bb1981b3b3367e846d595615ae43", kill_on_drop: false }`
[INFO] [stdout] 2e1ae7997530e29dc38418b1aa105faa9053bb1981b3b3367e846d595615ae43
[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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] aa58b21059c7b323475060a41ed4402b2a5e96211830b75850e50f69b49e1acb
[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" "aa58b21059c7b323475060a41ed4402b2a5e96211830b75850e50f69b49e1acb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/shed-e1236f5df882b5cc)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests shed
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[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:     0x5631929d13b0 - <unknown>
[INFO] [stdout]    1:     0x5631929f064c - <unknown>
[INFO] [stdout]    2:     0x5631929cf485 - <unknown>
[INFO] [stdout]    3:     0x5631929d2fdb - <unknown>
[INFO] [stdout]    4:     0x5631929d2ab1 - <unknown>
[INFO] [stdout]    5:     0x5631929d36a4 - <unknown>
[INFO] [stdout]    6:     0x5631929d3187 - <unknown>
[INFO] [stdout]    7:     0x5631929d18ac - <unknown>
[INFO] [stdout]    8:     0x5631929d30e9 - <unknown>
[INFO] [stdout]    9:     0x563192990131 - <unknown>
[INFO] [stdout]   10:     0x563192990223 - <unknown>
[INFO] [stdout]   11:     0x5631929b67b7 - <unknown>
[INFO] [stdout]   12:     0x5631929b60f4 - <unknown>
[INFO] [stdout]   13:     0x5631929b4e61 - <unknown>
[INFO] [stdout]   14:     0x5631929b3c99 - <unknown>
[INFO] [stdout]   15:     0x5631929b3c16 - <unknown>
[INFO] [stdout]   16:     0x5631929a0ed3 - <unknown>
[INFO] [stdout]   17:     0x56319299f2f9 - <unknown>
[INFO] [stdout]   18:     0x56319299f7f9 - <unknown>
[INFO] [stdout]   19:     0x5631929d3baa - <unknown>
[INFO] [stdout]   20:     0x56319299f7d1 - <unknown>
[INFO] [stdout]   21:     0x5631929b3fd3 - <unknown>
[INFO] [stdout]   22:     0x7f57016a80b3 - __libc_start_main
[INFO] [stdout]   23:     0x5631929908ee - <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 1.57s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "aa58b21059c7b323475060a41ed4402b2a5e96211830b75850e50f69b49e1acb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa58b21059c7b323475060a41ed4402b2a5e96211830b75850e50f69b49e1acb", kill_on_drop: false }`
[INFO] [stdout] aa58b21059c7b323475060a41ed4402b2a5e96211830b75850e50f69b49e1acb