[INFO] fetching crate postoffice 0.0.26... [INFO] testing postoffice-0.0.26 against 1.55.0 for beta-1.56-1 [INFO] extracting crate postoffice 0.0.26 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate postoffice 0.0.26 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 postoffice 0.0.26 [INFO] finished tweaking crates.io crate postoffice 0.0.26 [INFO] tweaked toml for crates.io crate postoffice 0.0.26 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate crates.io crate postoffice 0.0.26 already has a lockfile, it will not be regenerated [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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded universal-hash v0.3.0 [INFO] [stderr] Downloaded block-cipher-trait v0.6.2 [INFO] [stderr] Downloaded aes v0.3.2 [INFO] [stderr] Downloaded ghash v0.2.3 [INFO] [stderr] Downloaded aesni v0.6.0 [INFO] [stderr] Downloaded sha2 v0.8.1 [INFO] [stderr] Downloaded aes-soft v0.3.3 [INFO] [stderr] Downloaded json v0.12.1 [INFO] [stderr] Downloaded miow v0.3.5 [INFO] [stderr] Downloaded subtle v2.2.2 [INFO] [stderr] Downloaded aead v0.2.0 [INFO] [stderr] Downloaded polyval v0.3.3 [INFO] [stderr] Downloaded zeroize v1.1.0 [INFO] [stderr] Downloaded aes-gcm v0.3.0 [INFO] [stderr] Downloaded ntapi v0.3.4 [INFO] [stderr] Downloaded mio v0.7.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] f930e6b5797b3d292f48cf5c4d90d472844e7a92c5437278efa5321d4357a358 [INFO] running `Command { std: "docker" "start" "-a" "f930e6b5797b3d292f48cf5c4d90d472844e7a92c5437278efa5321d4357a358", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f930e6b5797b3d292f48cf5c4d90d472844e7a92c5437278efa5321d4357a358", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f930e6b5797b3d292f48cf5c4d90d472844e7a92c5437278efa5321d4357a358", kill_on_drop: false }` [INFO] [stdout] f930e6b5797b3d292f48cf5c4d90d472844e7a92c5437278efa5321d4357a358 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] aa5092577defb0d319da9564ffc85b9c04abd7599240e7454ace9fca5af0b52c [INFO] running `Command { std: "docker" "start" "-a" "aa5092577defb0d319da9564ffc85b9c04abd7599240e7454ace9fca5af0b52c", kill_on_drop: false }` [INFO] [stderr] Compiling typenum v1.11.2 [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.39 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling pin-project-internal v0.4.23 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling proc-macro-nested v0.1.6 [INFO] [stderr] Compiling futures-sink v0.3.5 [INFO] [stderr] Compiling subtle v2.2.2 [INFO] [stderr] Compiling once_cell v1.4.1 [INFO] [stderr] Compiling futures-core v0.3.5 [INFO] [stderr] Compiling proc-macro-hack v0.5.18 [INFO] [stderr] Compiling ppv-lite86 v0.2.6 [INFO] [stderr] Compiling futures-io v0.3.5 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling zeroize v1.1.0 [INFO] [stderr] Compiling md5 v0.7.0 [INFO] [stderr] Compiling base64 v0.11.0 [INFO] [stderr] Compiling json v0.12.1 [INFO] [stderr] Compiling block-padding v0.1.5 [INFO] [stderr] Compiling futures-channel v0.3.5 [INFO] [stderr] Compiling futures-task v0.3.5 [INFO] [stderr] Compiling c2-chacha v0.2.3 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling mio v0.7.0 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling generic-array v0.12.3 [INFO] [stderr] Compiling block-cipher-trait v0.6.2 [INFO] [stderr] Compiling universal-hash v0.3.0 [INFO] [stderr] Compiling digest v0.8.1 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Compiling aead v0.2.0 [INFO] [stderr] Compiling crypto-mac v0.7.0 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling hmac v0.7.1 [INFO] [stderr] Compiling aes-soft v0.3.3 [INFO] [stderr] Compiling polyval v0.3.3 [INFO] [stderr] Compiling sha2 v0.8.1 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling aes v0.3.2 [INFO] [stderr] Compiling ghash v0.2.3 [INFO] [stderr] Compiling aes-gcm v0.3.0 [INFO] [stderr] Compiling futures-macro v0.3.5 [INFO] [stderr] Compiling pin-project v0.4.23 [INFO] [stderr] Compiling futures-util v0.3.5 [INFO] [stderr] Compiling futures-executor v0.3.5 [INFO] [stderr] Compiling futures v0.3.5 [INFO] [stderr] Compiling postoffice v0.0.26 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `close_collector` [INFO] [stdout] --> src/main.rs:34:4 [INFO] [stdout] | [INFO] [stdout] 34 | fn close_collector(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `writer_thread` [INFO] [stdout] --> src/main.rs:50:4 [INFO] [stdout] | [INFO] [stdout] 50 | fn writer_thread(start_from:i32){ [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 24.50s [INFO] running `Command { std: "docker" "inspect" "aa5092577defb0d319da9564ffc85b9c04abd7599240e7454ace9fca5af0b52c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aa5092577defb0d319da9564ffc85b9c04abd7599240e7454ace9fca5af0b52c", kill_on_drop: false }` [INFO] [stdout] aa5092577defb0d319da9564ffc85b9c04abd7599240e7454ace9fca5af0b52c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 3382511fa769d09de8b8b380ed36dc1a7cc02167942634d7e1d96494d03f4c30 [INFO] running `Command { std: "docker" "start" "-a" "3382511fa769d09de8b8b380ed36dc1a7cc02167942634d7e1d96494d03f4c30", kill_on_drop: false }` [INFO] [stderr] Compiling postoffice v0.0.26 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `close_collector` [INFO] [stdout] --> src/main.rs:34:4 [INFO] [stdout] | [INFO] [stdout] 34 | fn close_collector(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `writer_thread` [INFO] [stdout] --> src/main.rs:50:4 [INFO] [stdout] | [INFO] [stdout] 50 | fn writer_thread(start_from:i32){ [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.26s [INFO] running `Command { std: "docker" "inspect" "3382511fa769d09de8b8b380ed36dc1a7cc02167942634d7e1d96494d03f4c30", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3382511fa769d09de8b8b380ed36dc1a7cc02167942634d7e1d96494d03f4c30", kill_on_drop: false }` [INFO] [stdout] 3382511fa769d09de8b8b380ed36dc1a7cc02167942634d7e1d96494d03f4c30 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 10c06c385622c604097d9651aae4a8c759013339bcf81ae52cd5a1372536624e [INFO] running `Command { std: "docker" "start" "-a" "10c06c385622c604097d9651aae4a8c759013339bcf81ae52cd5a1372536624e", kill_on_drop: false }` [INFO] [stderr] warning: function is never used: `close_collector` [INFO] [stderr] --> src/main.rs:34:4 [INFO] [stderr] | [INFO] [stderr] 34 | fn close_collector(){ [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `writer_thread` [INFO] [stderr] --> src/main.rs:50:4 [INFO] [stderr] | [INFO] [stderr] 50 | fn writer_thread(start_from:i32){ [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `postoffice` (bin "postoffice" test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.44s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/postoffice-41930904bbbb50e6) [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] Running unittests (/opt/rustwide/target/debug/deps/postoffice-940ecfe85a7dd86e) [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 postoffice [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] running `Command { std: "docker" "inspect" "10c06c385622c604097d9651aae4a8c759013339bcf81ae52cd5a1372536624e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "10c06c385622c604097d9651aae4a8c759013339bcf81ae52cd5a1372536624e", kill_on_drop: false }` [INFO] [stdout] 10c06c385622c604097d9651aae4a8c759013339bcf81ae52cd5a1372536624e