[INFO] fetching crate incremental-topo 0.1.2...
[INFO] testing incremental-topo-0.1.2 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate incremental-topo 0.1.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate incremental-topo 0.1.2 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate incremental-topo 0.1.2
[INFO] finished tweaking crates.io crate incremental-topo 0.1.2
[INFO] tweaked toml for crates.io crate incremental-topo 0.1.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate incremental-topo 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8df82699fe20a9d753b0f04614dc56116ddd3cee0d1db91dd27a1ed665fedba8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8df82699fe20a9d753b0f04614dc56116ddd3cee0d1db91dd27a1ed665fedba8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8df82699fe20a9d753b0f04614dc56116ddd3cee0d1db91dd27a1ed665fedba8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8df82699fe20a9d753b0f04614dc56116ddd3cee0d1db91dd27a1ed665fedba8", kill_on_drop: false }`
[INFO] [stdout] 8df82699fe20a9d753b0f04614dc56116ddd3cee0d1db91dd27a1ed665fedba8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a31c7383d394670fa0822a6a19ea56ce67f1f9773d42205ac73f8037ca74d5d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8a31c7383d394670fa0822a6a19ea56ce67f1f9773d42205ac73f8037ca74d5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.15
[INFO] [stderr]    Compiling cc v1.0.23
[INFO] [stderr]    Compiling cfg-if v0.1.5
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling slab v0.4.1
[INFO] [stderr]    Compiling log v0.4.5
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]    Compiling failure v0.1.2
[INFO] [stderr]    Compiling incremental-topo v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.43s
[INFO] running `Command { std: "docker" "inspect" "8a31c7383d394670fa0822a6a19ea56ce67f1f9773d42205ac73f8037ca74d5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a31c7383d394670fa0822a6a19ea56ce67f1f9773d42205ac73f8037ca74d5d", kill_on_drop: false }`
[INFO] [stdout] 8a31c7383d394670fa0822a6a19ea56ce67f1f9773d42205ac73f8037ca74d5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] afb3b037adb95f0cdebd8dc23093e72c66bbcfc9ac6a81cfab7d282f9d561d54
[INFO] running `Command { std: "docker" "start" "-a" "afb3b037adb95f0cdebd8dc23093e72c66bbcfc9ac6a81cfab7d282f9d561d54", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]    Compiling serde v1.0.79
[INFO] [stderr]    Compiling utf8-ranges v1.0.1
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling byteorder v1.2.6
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling cast v0.2.2
[INFO] [stderr]    Compiling same-file v1.0.3
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling thread-scoped v1.0.2
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling memchr v2.0.2
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling humantime v1.1.1
[INFO] [stderr]    Compiling syn v0.15.9
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling walkdir v2.2.5
[INFO] [stderr]    Compiling itertools v0.7.8
[INFO] [stderr]    Compiling regex-syntax v0.6.2
[INFO] [stderr]    Compiling term v0.5.1
[INFO] [stderr]    Compiling aho-corasick v0.6.8
[INFO] [stderr]    Compiling csv-core v0.1.4
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]    Compiling pest_derive v1.0.8
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling criterion-plot v0.2.5
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling criterion-stats v0.2.5
[INFO] [stderr]    Compiling itertools-num v0.1.2
[INFO] [stderr]    Compiling ordered-float v1.0.1
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.79
[INFO] [stderr]    Compiling simplelog v0.5.3
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling pretty_env_logger v0.2.4
[INFO] [stderr]    Compiling serde_json v1.0.32
[INFO] [stderr]    Compiling csv v1.0.2
[INFO] [stderr]    Compiling handlebars v0.32.4
[INFO] [stderr]    Compiling criterion v0.2.5
[INFO] [stderr]    Compiling incremental-topo v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 17.49s
[INFO] running `Command { std: "docker" "inspect" "afb3b037adb95f0cdebd8dc23093e72c66bbcfc9ac6a81cfab7d282f9d561d54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afb3b037adb95f0cdebd8dc23093e72c66bbcfc9ac6a81cfab7d282f9d561d54", kill_on_drop: false }`
[INFO] [stdout] afb3b037adb95f0cdebd8dc23093e72c66bbcfc9ac6a81cfab7d282f9d561d54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c74af2215d7cc65ebd6dd8b420e70b8668321e0d8fe5af31d603d98f7ae0f6f7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c74af2215d7cc65ebd6dd8b420e70b8668321e0d8fe5af31d603d98f7ae0f6f7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/incremental_topo-37334f37babd3695)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::add_nodes_duplicate ... ok
[INFO] [stdout] test tests::delete_nodes ... ok
[INFO] [stdout] test tests::add_nodes_basic ... ok
[INFO] [stdout] test tests::reject_cycle ... ok
[INFO] [stdout] test tests::topo_cmp ... ok
[INFO] [stdout] test tests::readme_example ... ok
[INFO] [stdout] test tests::topo_order_values_no_gaps ... ok
[INFO] [stdout] test tests::get_children_unordered ... ok
[INFO] [stdout] test tests::unordered_iter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests incremental-topo
[INFO] [stdout] 
[INFO] [stdout] running 43 tests
[INFO] [stdout] test src/bimap.rs - bimap::BiMap<L, R, S>::hasher (line 356) ... ok
[INFO] [stdout] test src/bimap.rs - bimap::BiMap<L, R, S>::capacity (line 375) ... ok
[INFO] [stdout] test src/bimap.rs - bimap::BiMap<L, R, S>::reserve (line 397) ... ok
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name incremental_topo --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps -L native=/opt/rustwide/target/debug/build/backtrace-sys-b3032bf5f33244d4/out --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-0c4d4733eafdd2e8.rlib --extern failure=/opt/rustwide/target/debug/deps/libfailure-1209c91e85ab0d78.rlib --extern failure_derive=/opt/rustwide/target/debug/deps/libfailure_derive-d6221dfba6b831ed.so --extern incremental_topo=/opt/rustwide/target/debug/deps/libincremental_topo-da920af027cdafe9.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-4dfd0ec10a97a520.rlib --extern ordered_float=/opt/rustwide/target/debug/deps/libordered_float-2ccfa39ebf7ef452.rlib --extern pretty_env_logger=/opt/rustwide/target/debug/deps/libpretty_env_logger-eba2dd35d52e44e0.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-db33356811d35b1b.rlib --extern slab=/opt/rustwide/target/debug/deps/libslab-be706de33e22af13.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "c74af2215d7cc65ebd6dd8b420e70b8668321e0d8fe5af31d603d98f7ae0f6f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c74af2215d7cc65ebd6dd8b420e70b8668321e0d8fe5af31d603d98f7ae0f6f7", kill_on_drop: false }`
[INFO] [stdout] c74af2215d7cc65ebd6dd8b420e70b8668321e0d8fe5af31d603d98f7ae0f6f7