[INFO] fetching crate pooled-writer 0.2.0...
[INFO] testing pooled-writer-0.2.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate pooled-writer 0.2.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate pooled-writer 0.2.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate pooled-writer 0.2.0
[INFO] finished tweaking crates.io crate pooled-writer 0.2.0
[INFO] tweaked toml for crates.io crate pooled-writer 0.2.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8013e7828f2df819ea69539faa5693537c334fe2194d1f5ba0b9e8cf26156143
[INFO] running `Command { std: "docker" "start" "-a" "8013e7828f2df819ea69539faa5693537c334fe2194d1f5ba0b9e8cf26156143", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8013e7828f2df819ea69539faa5693537c334fe2194d1f5ba0b9e8cf26156143", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8013e7828f2df819ea69539faa5693537c334fe2194d1f5ba0b9e8cf26156143", kill_on_drop: false }`
[INFO] [stdout] 8013e7828f2df819ea69539faa5693537c334fe2194d1f5ba0b9e8cf26156143
[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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 821aef06b819f05fbcd1c1fe7414dead4e63213fd3c8d0903f45d3e43a6a5f83
[INFO] running `Command { std: "docker" "start" "-a" "821aef06b819f05fbcd1c1fe7414dead4e63213fd3c8d0903f45d3e43a6a5f83", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling libdeflate-sys v0.7.5
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling nanorand v0.7.0
[INFO] [stderr]    Compiling libdeflater v0.7.5
[INFO] [stderr]    Compiling pin-project v1.0.10
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling flume v0.10.12
[INFO] [stderr]    Compiling bgzf v0.2.0
[INFO] [stderr]    Compiling pooled-writer v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.81s
[INFO] running `Command { std: "docker" "inspect" "821aef06b819f05fbcd1c1fe7414dead4e63213fd3c8d0903f45d3e43a6a5f83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "821aef06b819f05fbcd1c1fe7414dead4e63213fd3c8d0903f45d3e43a6a5f83", kill_on_drop: false }`
[INFO] [stdout] 821aef06b819f05fbcd1c1fe7414dead4e63213fd3c8d0903f45d3e43a6a5f83
[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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96c7ebf3e90a2fa394fe7ba5b42214801a4a3722eccef9b078c38ed0b45ca167
[INFO] running `Command { std: "docker" "start" "-a" "96c7ebf3e90a2fa394fe7ba5b42214801a4a3722eccef9b078c38ed0b45ca167", kill_on_drop: false }`
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling quick-error v2.0.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling nanorand v0.7.0
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_xorshift v0.3.0
[INFO] [stderr]    Compiling flume v0.10.12
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling pooled-writer v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling proptest v1.0.0
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.16s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/pooled_writer-21449d41dd8f5f79)
[INFO] running `Command { std: "docker" "inspect" "96c7ebf3e90a2fa394fe7ba5b42214801a4a3722eccef9b078c38ed0b45ca167", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96c7ebf3e90a2fa394fe7ba5b42214801a4a3722eccef9b078c38ed0b45ca167", kill_on_drop: false }`
[INFO] [stdout] 96c7ebf3e90a2fa394fe7ba5b42214801a4a3722eccef9b078c38ed0b45ca167
[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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ba6ad3fd79e80ae47cc74cf7cafc289feb00ae3fa56787d36c8c975bec2ebbaa
[INFO] running `Command { std: "docker" "start" "-a" "ba6ad3fd79e80ae47cc74cf7cafc289feb00ae3fa56787d36c8c975bec2ebbaa", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/pooled_writer-21449d41dd8f5f79)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::test_complete ... ignored
[INFO] [stdout] test test::test_simple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pooled-writer
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 37) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 37) stdout ----
[INFO] [stdout] Test executable failed (exit code 1).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 37)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.69s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "ba6ad3fd79e80ae47cc74cf7cafc289feb00ae3fa56787d36c8c975bec2ebbaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba6ad3fd79e80ae47cc74cf7cafc289feb00ae3fa56787d36c8c975bec2ebbaa", kill_on_drop: false }`
[INFO] [stdout] ba6ad3fd79e80ae47cc74cf7cafc289feb00ae3fa56787d36c8c975bec2ebbaa