[INFO] fetching crate ipc-communication 0.6.0...
[INFO] testing ipc-communication-0.6.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate ipc-communication 0.6.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate ipc-communication 0.6.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ipc-communication 0.6.0
[INFO] finished tweaking crates.io crate ipc-communication 0.6.0
[INFO] tweaked toml for crates.io crate ipc-communication 0.6.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate ipc-communication 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt v0.3.11
[INFO] [stderr]   Downloaded criterion-plot v0.4.1
[INFO] [stderr]   Downloaded proc-macro-error-attr v0.4.11
[INFO] [stderr]   Downloaded regex-syntax v0.6.16
[INFO] [stderr]   Downloaded web-sys v0.3.36
[INFO] [stderr]   Downloaded lock_api v0.3.3
[INFO] [stderr]   Downloaded doc-comment v0.3.2
[INFO] [stderr]   Downloaded tinytemplate v1.0.3
[INFO] [stderr]   Downloaded ipc-channel v0.14.0
[INFO] [stderr]   Downloaded snafu-derive v0.6.2
[INFO] [stderr]   Downloaded snafu v0.6.2
[INFO] [stderr]   Downloaded humantime v2.0.0
[INFO] [stderr]   Downloaded oorandom v11.1.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.59
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.59
[INFO] [stderr]   Downloaded js-sys v0.3.36
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.59
[INFO] [stderr]   Downloaded parking_lot_core v0.7.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.59
[INFO] [stderr]   Downloaded bstr v0.2.11
[INFO] [stderr]   Downloaded criterion v0.3.1
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.59
[INFO] [stderr]   Downloaded parking_lot v0.10.0
[INFO] [stderr]   Downloaded proc-macro-error v0.4.11
[INFO] [stderr]   Downloaded structopt-derive v0.4.4
[INFO] [stderr]   Downloaded plotters v0.2.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e62e77ae76dae6d67815e222f96ec17fdba8c92c62ee5fa718c3d14591cf4e5
[INFO] running `Command { std: "docker" "start" "-a" "4e62e77ae76dae6d67815e222f96ec17fdba8c92c62ee5fa718c3d14591cf4e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e62e77ae76dae6d67815e222f96ec17fdba8c92c62ee5fa718c3d14591cf4e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e62e77ae76dae6d67815e222f96ec17fdba8c92c62ee5fa718c3d14591cf4e5", kill_on_drop: false }`
[INFO] [stdout] 4e62e77ae76dae6d67815e222f96ec17fdba8c92c62ee5fa718c3d14591cf4e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8def817442459fc96001dafd653706f6921f301d4f6c17bf682b221350a0ac9a
[INFO] running `Command { std: "docker" "start" "-a" "8def817442459fc96001dafd653706f6921f301d4f6c17bf682b221350a0ac9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling doc-comment v0.3.2
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling snafu-derive v0.6.2
[INFO] [stderr]    Compiling snafu v0.6.2
[INFO] [stderr]    Compiling bincode v1.2.1
[INFO] [stderr]    Compiling ipc-channel v0.14.0
[INFO] [stderr]    Compiling ipc-communication v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.68s
[INFO] running `Command { std: "docker" "inspect" "8def817442459fc96001dafd653706f6921f301d4f6c17bf682b221350a0ac9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8def817442459fc96001dafd653706f6921f301d4f6c17bf682b221350a0ac9a", kill_on_drop: false }`
[INFO] [stdout] 8def817442459fc96001dafd653706f6921f301d4f6c17bf682b221350a0ac9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5304b86a7be9ea510759cc275295a1de97271d00b4353cd9a60dbac8dba8b87
[INFO] running `Command { std: "docker" "start" "-a" "e5304b86a7be9ea510759cc275295a1de97271d00b4353cd9a60dbac8dba8b87", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling regex-syntax v0.6.16
[INFO] [stderr]    Compiling smallvec v1.2.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling oorandom v11.1.0
[INFO] [stderr]    Compiling humantime v2.0.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling lock_api v0.3.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling rand_xoshiro v0.4.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling rand_distr v0.2.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling parking_lot_core v0.7.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.11
[INFO] [stderr]    Compiling proc-macro-error v0.4.11
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling parking_lot v0.10.0
[INFO] [stderr]    Compiling serde_json v1.0.48
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling bstr v0.2.11
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling criterion-plot v0.4.1
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling tinytemplate v1.0.3
[INFO] [stderr]    Compiling structopt-derive v0.4.4
[INFO] [stderr]    Compiling plotters v0.2.12
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling criterion v0.3.1
[INFO] [stderr]    Compiling structopt v0.3.11
[INFO] [stderr]    Compiling ipc-communication v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.95s
[INFO] running `Command { std: "docker" "inspect" "e5304b86a7be9ea510759cc275295a1de97271d00b4353cd9a60dbac8dba8b87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5304b86a7be9ea510759cc275295a1de97271d00b4353cd9a60dbac8dba8b87", kill_on_drop: false }`
[INFO] [stdout] e5304b86a7be9ea510759cc275295a1de97271d00b4353cd9a60dbac8dba8b87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3a1bea7c9a53223598c769b10aae5947aec7675bd6b54a07fee583ede57c7684
[INFO] running `Command { std: "docker" "start" "-a" "3a1bea7c9a53223598c769b10aae5947aec7675bd6b54a07fee583ede57c7684", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ipc_communication-708904ee1b40c882)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::check ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.95s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ipc-communication
[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" "3a1bea7c9a53223598c769b10aae5947aec7675bd6b54a07fee583ede57c7684", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a1bea7c9a53223598c769b10aae5947aec7675bd6b54a07fee583ede57c7684", kill_on_drop: false }`
[INFO] [stdout] 3a1bea7c9a53223598c769b10aae5947aec7675bd6b54a07fee583ede57c7684