[INFO] fetching crate ew 0.4.0...
[INFO] testing ew-0.4.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate ew 0.4.0 into /workspace/builds/worker-53/source
[INFO] validating manifest of crates.io crate ew 0.4.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ew 0.4.0
[INFO] finished tweaking crates.io crate ew 0.4.0
[INFO] tweaked toml for crates.io crate ew 0.4.0 written to /workspace/builds/worker-53/source/Cargo.toml
[INFO] crate crates.io crate ew 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34bcab9e902c274b59f3db2351d61fe972df663107b9455817ad65662cb43c60
[INFO] running `Command { std: "docker" "start" "-a" "34bcab9e902c274b59f3db2351d61fe972df663107b9455817ad65662cb43c60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34bcab9e902c274b59f3db2351d61fe972df663107b9455817ad65662cb43c60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34bcab9e902c274b59f3db2351d61fe972df663107b9455817ad65662cb43c60", kill_on_drop: false }`
[INFO] [stdout] 34bcab9e902c274b59f3db2351d61fe972df663107b9455817ad65662cb43c60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27ad203421784d777cb618d036704bb312108d76f2786054ec2614d9b9db3863
[INFO] running `Command { std: "docker" "start" "-a" "27ad203421784d777cb618d036704bb312108d76f2786054ec2614d9b9db3863", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.89
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling ew v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.43s
[INFO] running `Command { std: "docker" "inspect" "27ad203421784d777cb618d036704bb312108d76f2786054ec2614d9b9db3863", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27ad203421784d777cb618d036704bb312108d76f2786054ec2614d9b9db3863", kill_on_drop: false }`
[INFO] [stdout] 27ad203421784d777cb618d036704bb312108d76f2786054ec2614d9b9db3863
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12ed05dbf752fb801a1a9176efc2dbab2e0153e634079fe47cadfcd1457a6816
[INFO] running `Command { std: "docker" "start" "-a" "12ed05dbf752fb801a1a9176efc2dbab2e0153e634079fe47cadfcd1457a6816", kill_on_drop: false }`
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling ew-testfunc v0.1.0
[INFO] [stderr]    Compiling ew v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `ew`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name ew --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=0d5587e17bd25103 -C extra-filename=-0d5587e17bd25103 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ew_testfunc=/opt/rustwide/target/debug/deps/libew_testfunc-6827981f355b6692.rlib --extern num=/opt/rustwide/target/debug/deps/libnum-f4a0f9966120524f.rlib --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-b309ac036cd32b09.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-6639c8f934aa3ce5.rlib --cap-lints=forbid` (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" "12ed05dbf752fb801a1a9176efc2dbab2e0153e634079fe47cadfcd1457a6816", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12ed05dbf752fb801a1a9176efc2dbab2e0153e634079fe47cadfcd1457a6816", kill_on_drop: false }`
[INFO] [stdout] 12ed05dbf752fb801a1a9176efc2dbab2e0153e634079fe47cadfcd1457a6816