[INFO] fetching crate menmos-betterstreams 0.0.8...
[INFO] testing menmos-betterstreams-0.0.8 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate menmos-betterstreams 0.0.8 into /workspace/builds/worker-23/source
[INFO] validating manifest of crates.io crate menmos-betterstreams 0.0.8 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 menmos-betterstreams 0.0.8
[INFO] finished tweaking crates.io crate menmos-betterstreams 0.0.8
[INFO] tweaked toml for crates.io crate menmos-betterstreams 0.0.8 written to /workspace/builds/worker-23/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 4fcd695290824e45fc9fe3a2d8b1573cca72362f8d6c412e4324a96e9715779e
[INFO] running `Command { std: "docker" "start" "-a" "4fcd695290824e45fc9fe3a2d8b1573cca72362f8d6c412e4324a96e9715779e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fcd695290824e45fc9fe3a2d8b1573cca72362f8d6c412e4324a96e9715779e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fcd695290824e45fc9fe3a2d8b1573cca72362f8d6c412e4324a96e9715779e", kill_on_drop: false }`
[INFO] [stdout] 4fcd695290824e45fc9fe3a2d8b1573cca72362f8d6c412e4324a96e9715779e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] aa0d9a9529e376d8c7f5cbbb0b5ee2a738150b756d178eb7904dba63b2dd0e90
[INFO] running `Command { std: "docker" "start" "-a" "aa0d9a9529e376d8c7f5cbbb0b5ee2a738150b756d178eb7904dba63b2dd0e90", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling futures-io v0.3.17
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling tokio-util v0.6.8
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling menmos-betterstreams v0.0.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 18s
[INFO] running `Command { std: "docker" "inspect" "aa0d9a9529e376d8c7f5cbbb0b5ee2a738150b756d178eb7904dba63b2dd0e90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa0d9a9529e376d8c7f5cbbb0b5ee2a738150b756d178eb7904dba63b2dd0e90", kill_on_drop: false }`
[INFO] [stdout] aa0d9a9529e376d8c7f5cbbb0b5ee2a738150b756d178eb7904dba63b2dd0e90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 44f46c50a0f9c501405ec6545aa2233f92e653e7a43050b45620e0f60095a5e7
[INFO] running `Command { std: "docker" "start" "-a" "44f46c50a0f9c501405ec6545aa2233f92e653e7a43050b45620e0f60095a5e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling menmos-betterstreams v0.0.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "44f46c50a0f9c501405ec6545aa2233f92e653e7a43050b45620e0f60095a5e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44f46c50a0f9c501405ec6545aa2233f92e653e7a43050b45620e0f60095a5e7", kill_on_drop: false }`
[INFO] [stdout] 44f46c50a0f9c501405ec6545aa2233f92e653e7a43050b45620e0f60095a5e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] a19c899c5f14d9c0ecb22af19dce59457d0181ba343843c11216631b4548decc
[INFO] running `Command { std: "docker" "start" "-a" "a19c899c5f14d9c0ecb22af19dce59457d0181ba343843c11216631b4548decc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/betterstreams-eb715c30499047f7)
[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 betterstreams
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/fs.rs - fs::write_all (line 25) - compile ... ok
[INFO] [stdout] test src/fs.rs - fs::read_range (line 81) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.62s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a19c899c5f14d9c0ecb22af19dce59457d0181ba343843c11216631b4548decc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a19c899c5f14d9c0ecb22af19dce59457d0181ba343843c11216631b4548decc", kill_on_drop: false }`
[INFO] [stdout] a19c899c5f14d9c0ecb22af19dce59457d0181ba343843c11216631b4548decc