[INFO] cloning repository https://github.com/rolftimmermans/rmq
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rolftimmermans/rmq" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frolftimmermans%2Frmq", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frolftimmermans%2Frmq'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e520cfcd54273c3bda60747568a8b29e3879ff4d
[INFO] testing rolftimmermans/rmq against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frolftimmermans%2Frmq" "/workspace/builds/worker-82/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-82/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rolftimmermans/rmq 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 git repo https://github.com/rolftimmermans/rmq
[INFO] finished tweaking git repo https://github.com/rolftimmermans/rmq
[INFO] tweaked toml for git repo https://github.com/rolftimmermans/rmq written to /workspace/builds/worker-82/source/Cargo.toml
[INFO] crate git repo https://github.com/rolftimmermans/rmq 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 tracing-serde v0.1.1
[INFO] [stderr]   Downloaded matchers v0.0.1
[INFO] [stderr]   Downloaded sharded-slab v0.0.8
[INFO] [stderr]   Downloaded tracing-core v0.1.10
[INFO] [stderr]   Downloaded lock_api v0.3.3
[INFO] [stderr]   Downloaded memoffset v0.5.4
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.59
[INFO] [stderr]   Downloaded oorandom v11.1.0
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.59
[INFO] [stderr]   Downloaded cast v0.2.3
[INFO] [stderr]   Downloaded criterion-plot v0.4.1
[INFO] [stderr]   Downloaded criterion v0.3.1
[INFO] [stderr]   Downloaded js-sys v0.3.36
[INFO] [stderr]   Downloaded cmake v0.1.42
[INFO] [stderr]   Downloaded bumpalo v3.2.0
[INFO] [stderr]   Downloaded serde_with_macros v1.1.0
[INFO] [stderr]   Downloaded tracing-attributes v0.1.7
[INFO] [stderr]   Downloaded tracing v0.1.13
[INFO] [stderr]   Downloaded generator v0.6.20
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.59
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.59
[INFO] [stderr]   Downloaded pin-project-internal v0.4.8
[INFO] [stderr]   Downloaded winapi-util v0.1.3
[INFO] [stderr]   Downloaded tinytemplate v1.0.3
[INFO] [stderr]   Downloaded backtrace v0.3.45
[INFO] [stderr]   Downloaded bincode v1.2.1
[INFO] [stderr]   Downloaded claim v0.3.1
[INFO] [stderr]   Downloaded smallvec v1.2.0
[INFO] [stderr]   Downloaded failure_derive v0.1.7
[INFO] [stderr]   Downloaded serde_with v1.4.0
[INFO] [stderr]   Downloaded failure v0.1.7
[INFO] [stderr]   Downloaded parking_lot_core v0.7.0
[INFO] [stderr]   Downloaded parking_lot v0.10.0
[INFO] [stderr]   Downloaded tokio v0.2.13
[INFO] [stderr]   Downloaded serde_json v1.0.48
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.59
[INFO] [stderr]   Downloaded syn v1.0.16
[INFO] [stderr]   Downloaded zeromq-src v0.1.8+4.3.2
[INFO] [stderr]   Downloaded bstr v0.2.12
[INFO] [stderr]   Downloaded plotters v0.2.12
[INFO] [stderr]   Downloaded csv v1.1.3
[INFO] [stderr]   Downloaded backtrace-sys v0.1.34
[INFO] [stderr]   Downloaded tracing-log v0.1.1
[INFO] [stderr]   Downloaded futures-test v0.3.4
[INFO] [stderr]   Downloaded libzmq-sys v0.1.7+4.3.2
[INFO] [stderr]   Downloaded humantime-serde v0.1.1
[INFO] [stderr]   Downloaded libzmq v0.2.2
[INFO] [stderr]   Downloaded flatc-rust v0.1.2
[INFO] [stderr]   Downloaded loom v0.2.15
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.3
[INFO] [stderr]   Downloaded pin-project v0.4.8
[INFO] [stderr]   Downloaded tracing-futures v0.2.3
[INFO] [stderr]   Downloaded web-sys v0.3.36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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] a084433f6c19c33626be2985fa38e7862aacf7fd51faf62ec27f3644611b6f29
[INFO] running `Command { std: "docker" "start" "-a" "a084433f6c19c33626be2985fa38e7862aacf7fd51faf62ec27f3644611b6f29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a084433f6c19c33626be2985fa38e7862aacf7fd51faf62ec27f3644611b6f29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a084433f6c19c33626be2985fa38e7862aacf7fd51faf62ec27f3644611b6f29", kill_on_drop: false }`
[INFO] [stdout] a084433f6c19c33626be2985fa38e7862aacf7fd51faf62ec27f3644611b6f29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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] 9045bf745d6bf2b5d500719f1fbcc5179ab2db19a4ca089da795874074dc5fac
[INFO] running `Command { std: "docker" "start" "-a" "9045bf745d6bf2b5d500719f1fbcc5179ab2db19a4ca089da795874074dc5fac", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling futures-core v0.3.4
[INFO] [stderr]    Compiling futures-sink v0.3.4
[INFO] [stderr]    Compiling smallvec v1.2.0
[INFO] [stderr]    Compiling futures-io v0.3.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling pin-project-lite v0.1.4
[INFO] [stderr]    Compiling futures-task v0.3.4
[INFO] [stderr]    Compiling lock_api v0.3.3
[INFO] [stderr]    Compiling futures-channel v0.3.4
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling parking_lot_core v0.7.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling parking_lot v0.10.0
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling futures v0.3.4
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling tokio v0.2.13
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling rmq v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `pipe` is never read
[INFO] [stdout]   --> src/session/tcp.rs:38:21
[INFO] [stdout]    |
[INFO] [stdout] 38 |                     pipe = session.run().await;
[INFO] [stdout]    |                     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 48s
[INFO] running `Command { std: "docker" "inspect" "9045bf745d6bf2b5d500719f1fbcc5179ab2db19a4ca089da795874074dc5fac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9045bf745d6bf2b5d500719f1fbcc5179ab2db19a4ca089da795874074dc5fac", kill_on_drop: false }`
[INFO] [stdout] 9045bf745d6bf2b5d500719f1fbcc5179ab2db19a4ca089da795874074dc5fac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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] d5d994404125a57b3c8e158e27c7e25433ee6c8959dbf699655acb70aea7a014
[INFO] running `Command { std: "docker" "start" "-a" "d5d994404125a57b3c8e158e27c7e25433ee6c8959dbf699655acb70aea7a014", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling scoped-tls v0.1.2
[INFO] [stderr]    Compiling oorandom v11.1.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling backtrace-sys v0.1.34
[INFO] [stderr]    Compiling tracing-core v0.1.10
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling claim v0.3.1
[INFO] [stderr]    Compiling sharded-slab v0.0.8
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling generator v0.6.20
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling futures-executor v0.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling tracing-attributes v0.1.7
[INFO] [stderr]    Compiling serde_with_macros v1.1.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stdout] warning: value assigned to `pipe` is never read
[INFO] [stdout]   --> src/session/tcp.rs:38:21
[INFO] [stdout]    |
[INFO] [stdout] 38 |                     pipe = session.run().await;
[INFO] [stdout]    |                     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling zeromq-src v0.1.8+4.3.2
[INFO] [stderr]    Compiling tracing-log v0.1.1
[INFO] [stderr]    Compiling futures-test v0.3.4
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling libzmq-sys v0.1.7+4.3.2
[INFO] [stderr]    Compiling criterion-plot v0.4.1
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling loom v0.2.15
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling backtrace v0.3.45
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling plotters v0.2.12
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling tracing v0.1.13
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling regex v1.3.5
[INFO] [stderr]    Compiling pin-project v0.4.8
[INFO] [stderr]    Compiling tracing-futures v0.2.3
[INFO] [stderr]    Compiling failure v0.1.7
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling serde_json v1.0.48
[INFO] [stderr]    Compiling bstr v0.2.12
[INFO] [stderr]    Compiling serde_with v1.4.0
[INFO] [stderr]    Compiling tracing-serde v0.1.1
[INFO] [stderr]    Compiling bincode v1.2.1
[INFO] [stderr]    Compiling humantime-serde v0.1.1
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling tinytemplate v1.0.3
[INFO] [stderr]    Compiling tracing-subscriber v0.2.3
[INFO] [stderr]    Compiling criterion v0.3.1
[INFO] [stderr] error: could not compile `tracing-subscriber`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name tracing_subscriber --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tracing-subscriber-0.2.3/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="ansi"' --cfg 'feature="ansi_term"' --cfg 'feature="chrono"' --cfg 'feature="default"' --cfg 'feature="env-filter"' --cfg 'feature="fmt"' --cfg 'feature="json"' --cfg 'feature="lazy_static"' --cfg 'feature="matchers"' --cfg 'feature="regex"' --cfg 'feature="registry"' --cfg 'feature="serde"' --cfg 'feature="serde_json"' --cfg 'feature="sharded-slab"' --cfg 'feature="smallvec"' --cfg 'feature="tracing-log"' --cfg 'feature="tracing-serde"' -C metadata=5e96c389ff6acbbc -C extra-filename=-5e96c389ff6acbbc --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ansi_term=/opt/rustwide/target/debug/deps/libansi_term-329dab68dba20daf.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-a154bc57749a106a.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-df981c5871754530.rmeta --extern matchers=/opt/rustwide/target/debug/deps/libmatchers-4433e2854ac18b7e.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-9c334c1351ee5ee5.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-2105472c6b67ddae.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-a149ab9e693c49c0.rmeta --extern sharded_slab=/opt/rustwide/target/debug/deps/libsharded_slab-c73842fe39a68999.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-7e2f78584ac1a703.rmeta --extern tracing_core=/opt/rustwide/target/debug/deps/libtracing_core-da2c7bb9e30838c6.rmeta --extern tracing_log=/opt/rustwide/target/debug/deps/libtracing_log-6f43cfcffd37c5e9.rmeta --extern tracing_serde=/opt/rustwide/target/debug/deps/libtracing_serde-ea034f162e8b6379.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d5d994404125a57b3c8e158e27c7e25433ee6c8959dbf699655acb70aea7a014", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5d994404125a57b3c8e158e27c7e25433ee6c8959dbf699655acb70aea7a014", kill_on_drop: false }`
[INFO] [stdout] d5d994404125a57b3c8e158e27c7e25433ee6c8959dbf699655acb70aea7a014