[INFO] cloning repository https://github.com/SteelColossus/mult-persistence
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SteelColossus/mult-persistence" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSteelColossus%2Fmult-persistence", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSteelColossus%2Fmult-persistence'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 710dbd2bdc7dba8787143bb85762f670a1de28b6
[INFO] testing SteelColossus/mult-persistence against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSteelColossus%2Fmult-persistence" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SteelColossus/mult-persistence on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SteelColossus/mult-persistence
[INFO] finished tweaking git repo https://github.com/SteelColossus/mult-persistence
[INFO] tweaked toml for git repo https://github.com/SteelColossus/mult-persistence written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/SteelColossus/mult-persistence already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cef1396f832aeff2862a0fe578d19d1a6ecc6c219030690c55a97a23b15e0e0b
[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" "cef1396f832aeff2862a0fe578d19d1a6ecc6c219030690c55a97a23b15e0e0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cef1396f832aeff2862a0fe578d19d1a6ecc6c219030690c55a97a23b15e0e0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cef1396f832aeff2862a0fe578d19d1a6ecc6c219030690c55a97a23b15e0e0b", kill_on_drop: false }`
[INFO] [stdout] cef1396f832aeff2862a0fe578d19d1a6ecc6c219030690c55a97a23b15e0e0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f20ec65d9aed3f5c1c800e5e31f1915cfad20ee79ff389c9b60156900e610858
[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" "f20ec65d9aed3f5c1c800e5e31f1915cfad20ee79ff389c9b60156900e610858", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling crossbeam-queue v0.2.2
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling mult-persistence v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.78s
[INFO] running `Command { std: "docker" "inspect" "f20ec65d9aed3f5c1c800e5e31f1915cfad20ee79ff389c9b60156900e610858", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f20ec65d9aed3f5c1c800e5e31f1915cfad20ee79ff389c9b60156900e610858", kill_on_drop: false }`
[INFO] [stdout] f20ec65d9aed3f5c1c800e5e31f1915cfad20ee79ff389c9b60156900e610858
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5589fcdddc1e98cd26685869ec3465eef9c81b2aa2cf7d1e53a1added246a29b
[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" "5589fcdddc1e98cd26685869ec3465eef9c81b2aa2cf7d1e53a1added246a29b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling syn v0.15.30
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling cast v0.2.2
[INFO] [stderr]    Compiling oorandom v11.1.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling criterion-plot v0.4.2
[INFO] [stderr]    Compiling plotters v0.2.15
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling tinytemplate v1.0.1
[INFO] [stderr]    Compiling criterion v0.3.2
[INFO] [stderr]    Compiling mult-persistence v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 18s
[INFO] running `Command { std: "docker" "inspect" "5589fcdddc1e98cd26685869ec3465eef9c81b2aa2cf7d1e53a1added246a29b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5589fcdddc1e98cd26685869ec3465eef9c81b2aa2cf7d1e53a1added246a29b", kill_on_drop: false }`
[INFO] [stdout] 5589fcdddc1e98cd26685869ec3465eef9c81b2aa2cf7d1e53a1added246a29b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 72a9568921fc14376ca88f2584ae5232a646934828ae0020ed5f831b22ec5fa7
[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" "72a9568921fc14376ca88f2584ae5232a646934828ae0020ed5f831b22ec5fa7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mult_persistence-dece3a30b7e27b14
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test tests::initial_candidate_test ... ok
[INFO] [stdout] test tests::is_candidate_test ... ok
[INFO] [stdout] test tests::multiplying_large_numbers_test ... ok
[INFO] [stdout] test tests::next_candidate_test ... ok
[INFO] [stdout] test tests::multiplying_by_nine_test ... ok
[INFO] [stdout] test tests::multiplying_by_one_test ... ok
[INFO] [stdout] test tests::mult_persistence_test ... ok
[INFO] [stdout] test tests::multiplying_by_two_test ... ok
[INFO] [stdout] test tests::multiplying_by_zero_test ... ok
[INFO] [stdout] test tests::calc_slice_test ... ok
[INFO] [stdout] test tests::multiplying_by_ten_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mult_persistence-e7540c7ff0ff02c8
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mult-persistence
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "72a9568921fc14376ca88f2584ae5232a646934828ae0020ed5f831b22ec5fa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72a9568921fc14376ca88f2584ae5232a646934828ae0020ed5f831b22ec5fa7", kill_on_drop: false }`
[INFO] [stdout] 72a9568921fc14376ca88f2584ae5232a646934828ae0020ed5f831b22ec5fa7