[INFO] fetching crate io-error 0.1.1...
[INFO] testing io-error-0.1.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate io-error 0.1.1 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate io-error 0.1.1 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate io-error 0.1.1
[INFO] finished tweaking crates.io crate io-error 0.1.1
[INFO] tweaked toml for crates.io crate io-error 0.1.1 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b2a4bd9f6ae6bcaf0b20b84f459c050321a047e6bdc78bf5ad4e323e5a09bd17
[INFO] running `Command { std: "docker" "start" "-a" "b2a4bd9f6ae6bcaf0b20b84f459c050321a047e6bdc78bf5ad4e323e5a09bd17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2a4bd9f6ae6bcaf0b20b84f459c050321a047e6bdc78bf5ad4e323e5a09bd17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2a4bd9f6ae6bcaf0b20b84f459c050321a047e6bdc78bf5ad4e323e5a09bd17", kill_on_drop: false }`
[INFO] [stdout] b2a4bd9f6ae6bcaf0b20b84f459c050321a047e6bdc78bf5ad4e323e5a09bd17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3336d1f5e8891b418ecf3649167c23cef575e8611bff604527c7ac9adc5d59ae
[INFO] running `Command { std: "docker" "start" "-a" "3336d1f5e8891b418ecf3649167c23cef575e8611bff604527c7ac9adc5d59ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling io-error v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "3336d1f5e8891b418ecf3649167c23cef575e8611bff604527c7ac9adc5d59ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3336d1f5e8891b418ecf3649167c23cef575e8611bff604527c7ac9adc5d59ae", kill_on_drop: false }`
[INFO] [stdout] 3336d1f5e8891b418ecf3649167c23cef575e8611bff604527c7ac9adc5d59ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba1730751cdbda3c342c08dc7161d89f28e9e4090b44c9ae2fc9430d1748c046
[INFO] running `Command { std: "docker" "start" "-a" "ba1730751cdbda3c342c08dc7161d89f28e9e4090b44c9ae2fc9430d1748c046", kill_on_drop: false }`
[INFO] [stderr]    Compiling io-error v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "ba1730751cdbda3c342c08dc7161d89f28e9e4090b44c9ae2fc9430d1748c046", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba1730751cdbda3c342c08dc7161d89f28e9e4090b44c9ae2fc9430d1748c046", kill_on_drop: false }`
[INFO] [stdout] ba1730751cdbda3c342c08dc7161d89f28e9e4090b44c9ae2fc9430d1748c046
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] de709f9e1ec877c88f0cf00068abe8f095b324f1d351d337d4260b5c03c4019d
[INFO] running `Command { std: "docker" "start" "-a" "de709f9e1ec877c88f0cf00068abe8f095b324f1d351d337d4260b5c03c4019d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/io_error-21c1d766a917c72f)
[INFO] [stdout] test tests::test ... ok
[INFO] [stderr]    Doc-tests io-error
[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 1 test
[INFO] [stdout] test src/lib.rs - err (line 45) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - err (line 45) stdout ----
[INFO] [stdout] error[E0468]: an `extern crate` loading macros must be at the crate root
[INFO] [stdout]  --> src/lib.rs:47:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate io_error;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0468`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - err (line 45)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "de709f9e1ec877c88f0cf00068abe8f095b324f1d351d337d4260b5c03c4019d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de709f9e1ec877c88f0cf00068abe8f095b324f1d351d337d4260b5c03c4019d", kill_on_drop: false }`
[INFO] [stdout] de709f9e1ec877c88f0cf00068abe8f095b324f1d351d337d4260b5c03c4019d