[INFO] cloning repository https://github.com/dmorigin/simpermut-rc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dmorigin/simpermut-rc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmorigin%2Fsimpermut-rc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmorigin%2Fsimpermut-rc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 53b1ad874083dd64bacb5451c43482f30decefd0
[INFO] testing dmorigin/simpermut-rc against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmorigin%2Fsimpermut-rc" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dmorigin/simpermut-rc on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dmorigin/simpermut-rc
[INFO] finished tweaking git repo https://github.com/dmorigin/simpermut-rc
[INFO] tweaked toml for git repo https://github.com/dmorigin/simpermut-rc written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/dmorigin/simpermut-rc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_core v0.2.2
[INFO] [stderr]   Downloaded utf8-ranges v1.0.0
[INFO] [stderr]   Downloaded quote v0.6.6
[INFO] [stderr]   Downloaded regex v1.0.2
[INFO] [stderr]   Downloaded termios v0.2.2
[INFO] [stderr]   Downloaded num-traits v0.2.5
[INFO] [stderr]   Downloaded textwrap v0.10.0
[INFO] [stderr]   Downloaded console v0.6.1
[INFO] [stderr]   Downloaded syn v0.14.8
[INFO] [stderr]   Downloaded rand_core v0.3.0
[INFO] [stderr]   Downloaded bitflags v1.0.3
[INFO] [stderr]   Downloaded unicode-width v0.1.5
[INFO] [stderr]   Downloaded ryu v0.2.4
[INFO] [stderr]   Downloaded clap v2.32.0
[INFO] [stderr]   Downloaded indicatif v0.9.0
[INFO] [stderr]   Downloaded serde v1.0.71
[INFO] [stderr]   Downloaded chrono v0.4.5
[INFO] [stderr]   Downloaded smallvec v0.6.4
[INFO] [stderr]   Downloaded aho-corasick v0.6.6
[INFO] [stderr]   Downloaded serde_derive v1.0.71
[INFO] [stderr]   Downloaded num-integer v0.1.39
[INFO] [stderr]   Downloaded clicolors-control v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 73a5e2c6eeb572b2d1047f87e0936357924db9a7b5706f97f91805f7e9d2b0dd
[INFO] running `Command { std: "docker" "start" "-a" "73a5e2c6eeb572b2d1047f87e0936357924db9a7b5706f97f91805f7e9d2b0dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73a5e2c6eeb572b2d1047f87e0936357924db9a7b5706f97f91805f7e9d2b0dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73a5e2c6eeb572b2d1047f87e0936357924db9a7b5706f97f91805f7e9d2b0dd", kill_on_drop: false }`
[INFO] [stdout] 73a5e2c6eeb572b2d1047f87e0936357924db9a7b5706f97f91805f7e9d2b0dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1408f5bc5d3925c3ef7d8304cddf0b840583b39cb3c241ce1091a837a0f8f0c0
[INFO] running `Command { std: "docker" "start" "-a" "1408f5bc5d3925c3ef7d8304cddf0b840583b39cb3c241ce1091a837a0f8f0c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.13
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling serde v1.0.71
[INFO] [stderr]    Compiling ryu v0.2.4
[INFO] [stderr]    Compiling regex v1.0.2
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling bitflags v1.0.3
[INFO] [stderr]    Compiling cfg-if v0.1.5
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling lock_api v0.1.3
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling regex-syntax v0.6.2
[INFO] [stderr]    Compiling smallvec v0.6.4
[INFO] [stderr]    Compiling quote v0.6.6
[INFO] [stderr]    Compiling syn v0.14.8
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]    Compiling termios v0.2.2
[INFO] [stderr]    Compiling clicolors-control v0.2.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling aho-corasick v0.6.6
[INFO] [stderr]    Compiling chrono v0.4.5
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling uuid v0.6.5
[INFO] [stderr]    Compiling parking_lot v0.6.3
[INFO] [stderr]    Compiling serde_derive v1.0.71
[INFO] [stderr]    Compiling console v0.6.1
[INFO] [stderr]    Compiling indicatif v0.9.0
[INFO] [stderr]    Compiling serde_json v1.0.26
[INFO] [stderr]    Compiling sim_permut v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/simcraft/mod.rs:156:69
[INFO] [stdout]     |
[INFO] [stdout] 156 |     pub fn permutation(&mut self, iterations: (u64, u64)) -> Result<(u64), Error> {
[INFO] [stdout]     |                                                                     ^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.30s
[INFO] running `Command { std: "docker" "inspect" "1408f5bc5d3925c3ef7d8304cddf0b840583b39cb3c241ce1091a837a0f8f0c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1408f5bc5d3925c3ef7d8304cddf0b840583b39cb3c241ce1091a837a0f8f0c0", kill_on_drop: false }`
[INFO] [stdout] 1408f5bc5d3925c3ef7d8304cddf0b840583b39cb3c241ce1091a837a0f8f0c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 398300cd8046518140c8fcae083073cb5a5ef88554770055ee251b4a37ff99bd
[INFO] running `Command { std: "docker" "start" "-a" "398300cd8046518140c8fcae083073cb5a5ef88554770055ee251b4a37ff99bd", 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] [stderr]    Compiling sim_permut v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/simcraft/mod.rs:156:69
[INFO] [stdout]     |
[INFO] [stdout] 156 |     pub fn permutation(&mut self, iterations: (u64, u64)) -> Result<(u64), Error> {
[INFO] [stdout]     |                                                                     ^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.83s
[INFO] running `Command { std: "docker" "inspect" "398300cd8046518140c8fcae083073cb5a5ef88554770055ee251b4a37ff99bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "398300cd8046518140c8fcae083073cb5a5ef88554770055ee251b4a37ff99bd", kill_on_drop: false }`
[INFO] [stdout] 398300cd8046518140c8fcae083073cb5a5ef88554770055ee251b4a37ff99bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ff1180acaa33a43695f750ee1184eefc95c1180ef2a91839d03d32de7a657ea3
[INFO] running `Command { std: "docker" "start" "-a" "ff1180acaa33a43695f750ee1184eefc95c1180ef2a91839d03d32de7a657ea3", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/simcraft/mod.rs:156:69
[INFO] [stderr]     |
[INFO] [stderr] 156 |     pub fn permutation(&mut self, iterations: (u64, u64)) -> Result<(u64), Error> {
[INFO] [stderr]     |                                                                     ^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sim_permut-5a694a1ef70f358b)
[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] running `Command { std: "docker" "inspect" "ff1180acaa33a43695f750ee1184eefc95c1180ef2a91839d03d32de7a657ea3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff1180acaa33a43695f750ee1184eefc95c1180ef2a91839d03d32de7a657ea3", kill_on_drop: false }`
[INFO] [stdout] ff1180acaa33a43695f750ee1184eefc95c1180ef2a91839d03d32de7a657ea3