[INFO] fetching crate mprober-lib 0.1.4...
[INFO] testing mprober-lib-0.1.4 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate mprober-lib 0.1.4 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate mprober-lib 0.1.4 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mprober-lib 0.1.4
[INFO] finished tweaking crates.io crate mprober-lib 0.1.4
[INFO] tweaked toml for crates.io crate mprober-lib 0.1.4 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded utf8-width v0.1.4
[INFO] [stderr]   Downloaded bencher v0.1.5
[INFO] [stderr]   Downloaded enum-ordinalize v3.1.8
[INFO] [stderr]   Downloaded educe v0.4.13
[INFO] [stderr]   Downloaded scanner-rust v2.0.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 71798ea7845aaec6a5608aaddd2599ec69660d52aa4e2b0ebb2a898856f48025
[INFO] running `Command { std: "docker" "start" "-a" "71798ea7845aaec6a5608aaddd2599ec69660d52aa4e2b0ebb2a898856f48025", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71798ea7845aaec6a5608aaddd2599ec69660d52aa4e2b0ebb2a898856f48025", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71798ea7845aaec6a5608aaddd2599ec69660d52aa4e2b0ebb2a898856f48025", kill_on_drop: false }`
[INFO] [stdout] 71798ea7845aaec6a5608aaddd2599ec69660d52aa4e2b0ebb2a898856f48025
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 04e6abe9f33a1518d699d17105b312d2c790bb14de092e6d56baa0e982488e4d
[INFO] running `Command { std: "docker" "start" "-a" "04e6abe9f33a1518d699d17105b312d2c790bb14de092e6d56baa0e982488e4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]    Compiling page_size v0.4.2
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling enum-ordinalize v3.1.8
[INFO] [stderr]    Compiling educe v0.4.13
[INFO] [stderr]    Compiling scanner-rust v2.0.13
[INFO] [stderr]    Compiling mprober-lib v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.43s
[INFO] running `Command { std: "docker" "inspect" "04e6abe9f33a1518d699d17105b312d2c790bb14de092e6d56baa0e982488e4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04e6abe9f33a1518d699d17105b312d2c790bb14de092e6d56baa0e982488e4d", kill_on_drop: false }`
[INFO] [stdout] 04e6abe9f33a1518d699d17105b312d2c790bb14de092e6d56baa0e982488e4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e534573f3b7c7961aca82670721f8d6670e32a0e92ba51bd238cdaf43ca39f82
[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" "e534573f3b7c7961aca82670721f8d6670e32a0e92ba51bd238cdaf43ca39f82", kill_on_drop: false }`
[INFO] [stderr]    Compiling mprober-lib v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.86s
[INFO] running `Command { std: "docker" "inspect" "e534573f3b7c7961aca82670721f8d6670e32a0e92ba51bd238cdaf43ca39f82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e534573f3b7c7961aca82670721f8d6670e32a0e92ba51bd238cdaf43ca39f82", kill_on_drop: false }`
[INFO] [stdout] e534573f3b7c7961aca82670721f8d6670e32a0e92ba51bd238cdaf43ca39f82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ca62ab6c8668d7bafb4a8ecf1c5a298940738b1d08973b2d249f124d4dcbf830
[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" "ca62ab6c8668d7bafb4a8ecf1c5a298940738b1d08973b2d249f124d4dcbf830", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mprober_lib-fb0c5d18162477c5
[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] [stderr]    Doc-tests mprober-lib
[INFO] [stdout] 
[INFO] [stdout] running 32 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 --test /opt/rustwide/workdir/src/lib.rs --crate-name mprober_lib -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bencher=/opt/rustwide/target/debug/deps/libbencher-e3bfe9ab190ae591.rlib --extern chrono=/opt/rustwide/target/debug/deps/libchrono-3676aa40a0ad09e1.rlib --extern libc=/opt/rustwide/target/debug/deps/liblibc-77d6541a42757d2c.rlib --extern mprober_lib=/opt/rustwide/target/debug/deps/libmprober_lib-b9ad82d811ad0a29.rlib --extern page_size=/opt/rustwide/target/debug/deps/libpage_size-830fd86d27100149.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-88a1e75c7e2bfbce.rlib --extern scanner_rust=/opt/rustwide/target/debug/deps/libscanner_rust-43ac7a6e86510f47.rlib -C embed-bitcode=no` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "ca62ab6c8668d7bafb4a8ecf1c5a298940738b1d08973b2d249f124d4dcbf830", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca62ab6c8668d7bafb4a8ecf1c5a298940738b1d08973b2d249f124d4dcbf830", kill_on_drop: false }`
[INFO] [stdout] ca62ab6c8668d7bafb4a8ecf1c5a298940738b1d08973b2d249f124d4dcbf830