[INFO] fetching crate expjobserver 0.9.2...
[INFO] testing expjobserver-0.9.2 against 1.55.0 for beta-1.56-2
[INFO] extracting crate expjobserver 0.9.2 into /workspace/builds/worker-35/source
[INFO] validating manifest of crates.io crate expjobserver 0.9.2 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 expjobserver 0.9.2
[INFO] finished tweaking crates.io crate expjobserver 0.9.2
[INFO] tweaked toml for crates.io crate expjobserver 0.9.2 written to /workspace/builds/worker-35/source/Cargo.toml
[INFO] crate crates.io crate expjobserver 0.9.2 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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] 7ba80f4b26054725beb4445674dc8e19925839d925d33a2bdb53baa866116aa9
[INFO] running `Command { std: "docker" "start" "-a" "7ba80f4b26054725beb4445674dc8e19925839d925d33a2bdb53baa866116aa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ba80f4b26054725beb4445674dc8e19925839d925d33a2bdb53baa866116aa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ba80f4b26054725beb4445674dc8e19925839d925d33a2bdb53baa866116aa9", kill_on_drop: false }`
[INFO] [stdout] 7ba80f4b26054725beb4445674dc8e19925839d925d33a2bdb53baa866116aa9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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] 95b7aa6848ccf149556fdf6ab756a64b3d2dadf9d285212b9762142d6cb4e9ee
[INFO] running `Command { std: "docker" "start" "-a" "95b7aa6848ccf149556fdf6ab756a64b3d2dadf9d285212b9762142d6cb4e9ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]    Compiling const_fn v0.4.2
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling multimap v0.8.2
[INFO] [stderr]    Compiling linked-hash-map v0.5.3
[INFO] [stderr]    Compiling gimli v0.22.0
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling regex-syntax v0.6.20
[INFO] [stderr]    Compiling object v0.21.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.17
[INFO] [stderr]    Compiling antidote v1.0.0
[INFO] [stderr]    Compiling log-mdc v0.1.0
[INFO] [stderr]    Compiling encode_unicode v0.3.6
[INFO] [stderr]    Compiling arc-swap v0.3.11
[INFO] [stderr]    Compiling fs_extra v1.2.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling unsafe-any v0.4.2
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling yaml-rust v0.4.4
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling thread-id v3.3.0
[INFO] [stderr]    Compiling terminal_size v0.1.13
[INFO] [stderr]    Compiling termios v0.3.3
[INFO] [stderr]    Compiling regex v1.4.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling flate2 v1.0.18
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]    Compiling ordered-float v1.1.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling addr2line v0.13.0
[INFO] [stderr]    Compiling console v0.12.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling backtrace v0.3.53
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling serde_yaml v0.8.13
[INFO] [stderr]    Compiling serde-value v0.5.3
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling log4rs v0.8.3
[INFO] [stderr]    Compiling prettytable-rs v0.8.0
[INFO] [stderr]    Compiling expjobserver v0.9.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.02s
[INFO] running `Command { std: "docker" "inspect" "95b7aa6848ccf149556fdf6ab756a64b3d2dadf9d285212b9762142d6cb4e9ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95b7aa6848ccf149556fdf6ab756a64b3d2dadf9d285212b9762142d6cb4e9ee", kill_on_drop: false }`
[INFO] [stdout] 95b7aa6848ccf149556fdf6ab756a64b3d2dadf9d285212b9762142d6cb4e9ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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] 5377004fb6c18609f1cd08c551a0c498866ce6dd594db17914802c1567bb2c68
[INFO] running `Command { std: "docker" "start" "-a" "5377004fb6c18609f1cd08c551a0c498866ce6dd594db17914802c1567bb2c68", kill_on_drop: false }`
[INFO] [stderr]    Compiling expjobserver v0.9.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.36s
[INFO] running `Command { std: "docker" "inspect" "5377004fb6c18609f1cd08c551a0c498866ce6dd594db17914802c1567bb2c68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5377004fb6c18609f1cd08c551a0c498866ce6dd594db17914802c1567bb2c68", kill_on_drop: false }`
[INFO] [stdout] 5377004fb6c18609f1cd08c551a0c498866ce6dd594db17914802c1567bb2c68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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] da795db94d25f5baa635f10465d5752147d98fd809cceef49513d4248bc9a93d
[INFO] running `Command { std: "docker" "start" "-a" "da795db94d25f5baa635f10465d5752147d98fd809cceef49513d4248bc9a93d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/expjobserver-adbadde07b99779b)
[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/expjobserver-065cf68e92184f5e)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/j-2f2dc7b738c4a8de)
[INFO] [stderr]    Doc-tests expjobserver
[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] [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] [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" "da795db94d25f5baa635f10465d5752147d98fd809cceef49513d4248bc9a93d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da795db94d25f5baa635f10465d5752147d98fd809cceef49513d4248bc9a93d", kill_on_drop: false }`
[INFO] [stdout] da795db94d25f5baa635f10465d5752147d98fd809cceef49513d4248bc9a93d