[INFO] fetching crate mc_sim 0.1.0...
[INFO] testing mc_sim-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate mc_sim 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate mc_sim 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mc_sim 0.1.0
[INFO] finished tweaking crates.io crate mc_sim 0.1.0
[INFO] tweaked toml for crates.io crate mc_sim 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate mc_sim 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded statrs v0.13.0
[INFO] [stderr]   Downloaded nalgebra v0.19.0
[INFO] [stderr]   Downloaded humantime v2.0.1
[INFO] [stderr]   Downloaded futures-executor v0.3.8
[INFO] [stderr]   Downloaded getrandom v0.2.0
[INFO] [stderr]   Downloaded pin-project-internal v1.0.2
[INFO] [stderr]   Downloaded pin-project v1.0.2
[INFO] [stderr]   Downloaded alga v0.9.3
[INFO] [stderr]   Downloaded cached_proc_macro v0.6.0
[INFO] [stderr]   Downloaded cached_proc_macro_types v0.1.0
[INFO] [stderr]   Downloaded cached v0.22.0
[INFO] [stderr]   Downloaded matrixmultiply v0.2.4
[INFO] [stderr]   Downloaded csv v1.1.5
[INFO] [stderr]   Downloaded generic-array v0.13.2
[INFO] [stderr]   Downloaded bstr v0.2.14
[INFO] [stderr]   Downloaded rand v0.8.0
[INFO] [stderr]   Downloaded rand_distr v0.2.2
[INFO] [stderr]   Downloaded libc v0.2.81
[INFO] [stderr]   Downloaded fraction v0.8.0
[INFO] [stderr]   Downloaded rand_core v0.6.0
[INFO] [stderr]   Downloaded syn v1.0.56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", 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] 77b177918aa1eccc5cefc1d03d3f5cb6b115d5f510e442e0a6b48f438a35eebf
[INFO] running `Command { std: "docker" "start" "-a" "77b177918aa1eccc5cefc1d03d3f5cb6b115d5f510e442e0a6b48f438a35eebf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77b177918aa1eccc5cefc1d03d3f5cb6b115d5f510e442e0a6b48f438a35eebf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77b177918aa1eccc5cefc1d03d3f5cb6b115d5f510e442e0a6b48f438a35eebf", kill_on_drop: false }`
[INFO] [stdout] 77b177918aa1eccc5cefc1d03d3f5cb6b115d5f510e442e0a6b48f438a35eebf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2021-09-08" "build" "--frozen" "--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] 164c17cf2ced3220b49b07e19ab5cbdaa1fdae26124c0617cd854e78f8dc9ceb
[INFO] running `Command { std: "docker" "start" "-a" "164c17cf2ced3220b49b07e19ab5cbdaa1fdae26124c0617cd854e78f8dc9ceb", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling futures-core v0.3.8
[INFO] [stderr]    Compiling futures-sink v0.3.8
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]    Compiling cached_proc_macro_types v0.1.0
[INFO] [stderr]    Compiling humantime v2.0.1
[INFO] [stderr]    Compiling quick-error v2.0.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling futures-task v0.3.8
[INFO] [stderr]    Compiling matrixmultiply v0.2.4
[INFO] [stderr]    Compiling generic-array v0.13.2
[INFO] [stderr]    Compiling futures-channel v0.3.8
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling rand_core v0.6.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling rand v0.8.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling alga v0.9.3
[INFO] [stderr]    Compiling rand_distr v0.2.2
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling nalgebra v0.19.0
[INFO] [stderr]    Compiling fraction v0.8.0
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling pin-project v1.0.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling cached_proc_macro v0.6.0
[INFO] [stderr]    Compiling futures-executor v0.3.8
[INFO] [stderr]    Compiling futures v0.3.8
[INFO] [stderr]    Compiling cached v0.22.0
[INFO] [stderr]    Compiling statrs v0.13.0
[INFO] [stderr]    Compiling mc_sim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 40s
[INFO] running `Command { std: "docker" "inspect" "164c17cf2ced3220b49b07e19ab5cbdaa1fdae26124c0617cd854e78f8dc9ceb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "164c17cf2ced3220b49b07e19ab5cbdaa1fdae26124c0617cd854e78f8dc9ceb", kill_on_drop: false }`
[INFO] [stdout] 164c17cf2ced3220b49b07e19ab5cbdaa1fdae26124c0617cd854e78f8dc9ceb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2021-09-08" "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] 21643b0c48ceffe1e26e5fdf00b8d2a4aa42d93be0a9c088450bf3b80824e12f
[INFO] running `Command { std: "docker" "start" "-a" "21643b0c48ceffe1e26e5fdf00b8d2a4aa42d93be0a9c088450bf3b80824e12f", kill_on_drop: false }`
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling csv v1.1.5
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling mc_sim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 19.16s
[INFO] running `Command { std: "docker" "inspect" "21643b0c48ceffe1e26e5fdf00b8d2a4aa42d93be0a9c088450bf3b80824e12f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21643b0c48ceffe1e26e5fdf00b8d2a4aa42d93be0a9c088450bf3b80824e12f", kill_on_drop: false }`
[INFO] [stdout] 21643b0c48ceffe1e26e5fdf00b8d2a4aa42d93be0a9c088450bf3b80824e12f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c0ab8d6a880d35794baba51c03de763cfc0f4359fbc64a6d83387ea1dc92543a
[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" "c0ab8d6a880d35794baba51c03de763cfc0f4359fbc64a6d83387ea1dc92543a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mc_sim-b49f36a37e572190)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mc_sim
[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 15 tests
[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 mc_sim --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern cached=/opt/rustwide/target/debug/deps/libcached-56e68e87348abaaf.rlib --extern csv=/opt/rustwide/target/debug/deps/libcsv-70e36b9b546346f7.rlib --extern fraction=/opt/rustwide/target/debug/deps/libfraction-6ba78454a5d1786b.rlib --extern humantime=/opt/rustwide/target/debug/deps/libhumantime-7055b4dd0633d11a.rlib --extern mc_sim=/opt/rustwide/target/debug/deps/libmc_sim-c93d59d62d3aa873.rlib --extern quick_error=/opt/rustwide/target/debug/deps/libquick_error-74cf42b97176af85.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-4f31d7417f4fc39a.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-543ac1a802146756.rlib --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-b48c5148561eb614.so --extern statrs=/opt/rustwide/target/debug/deps/libstatrs-ae4c93c04b984216.rlib --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-57759ff75a52e971.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "c0ab8d6a880d35794baba51c03de763cfc0f4359fbc64a6d83387ea1dc92543a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0ab8d6a880d35794baba51c03de763cfc0f4359fbc64a6d83387ea1dc92543a", kill_on_drop: false }`
[INFO] [stdout] c0ab8d6a880d35794baba51c03de763cfc0f4359fbc64a6d83387ea1dc92543a