[INFO] cloning repository https://github.com/Webstonesl/countdown_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Webstonesl/countdown_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWebstonesl%2Fcountdown_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWebstonesl%2Fcountdown_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 573a6a8e9c0f54dfd24294e6f704d8702ef9ca20
[INFO] testing Webstonesl/countdown_rs against try#b8e88e5ddf5521a9f43ee3f62a702388c713e4bb for pr-155114
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWebstonesl%2Fcountdown_rs" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Webstonesl/countdown_rs
[INFO] finished tweaking git repo https://github.com/Webstonesl/countdown_rs
[INFO] tweaked toml for git repo https://github.com/Webstonesl/countdown_rs written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Webstonesl/countdown_rs on toolchain b8e88e5ddf5521a9f43ee3f62a702388c713e4bb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Webstonesl/countdown_rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 572eabe24d31a3023e1ae9aaea0b4c6ccc12e46f593710bafb96aa64e2599bcc
[INFO] running `Command { std: "docker" "start" "-a" "572eabe24d31a3023e1ae9aaea0b4c6ccc12e46f593710bafb96aa64e2599bcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "572eabe24d31a3023e1ae9aaea0b4c6ccc12e46f593710bafb96aa64e2599bcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "572eabe24d31a3023e1ae9aaea0b4c6ccc12e46f593710bafb96aa64e2599bcc", kill_on_drop: false }`
[INFO] [stdout] 572eabe24d31a3023e1ae9aaea0b4c6ccc12e46f593710bafb96aa64e2599bcc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a136a2eed69b4a51f9933410d323f4ea40afd178e0a989ebbe401f385799874e
[INFO] running `Command { std: "docker" "start" "-a" "a136a2eed69b4a51f9933410d323f4ea40afd178e0a989ebbe401f385799874e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_countdown v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/timing/mod.rs:101:45
[INFO] [stdout]     |
[INFO] [stdout] 101 |             self.receiver.receive().map(|a| ((self.func)(a)))
[INFO] [stdout]     |                                             ^              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 101 -             self.receiver.receive().map(|a| ((self.func)(a)))
[INFO] [stdout] 101 +             self.receiver.receive().map(|a| (self.func)(a) )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "a136a2eed69b4a51f9933410d323f4ea40afd178e0a989ebbe401f385799874e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a136a2eed69b4a51f9933410d323f4ea40afd178e0a989ebbe401f385799874e", kill_on_drop: false }`
[INFO] [stdout] a136a2eed69b4a51f9933410d323f4ea40afd178e0a989ebbe401f385799874e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7797836a8fb1340365bb7bc6c7f533f73811c031dfd0f4d8b4df1a2d892033d
[INFO] running `Command { std: "docker" "start" "-a" "b7797836a8fb1340365bb7bc6c7f533f73811c031dfd0f4d8b4df1a2d892033d", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/timing/mod.rs:101:45
[INFO] [stdout]     |
[INFO] [stdout] 101 |             self.receiver.receive().map(|a| ((self.func)(a)))
[INFO] [stdout]     |                                             ^              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 101 -             self.receiver.receive().map(|a| ((self.func)(a)))
[INFO] [stdout] 101 +             self.receiver.receive().map(|a| (self.func)(a) )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rust_countdown v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/timing/mod.rs:101:45
[INFO] [stdout]     |
[INFO] [stdout] 101 |             self.receiver.receive().map(|a| ((self.func)(a)))
[INFO] [stdout]     |                                             ^              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 101 -             self.receiver.receive().map(|a| ((self.func)(a)))
[INFO] [stdout] 101 +             self.receiver.receive().map(|a| (self.func)(a) )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "b7797836a8fb1340365bb7bc6c7f533f73811c031dfd0f4d8b4df1a2d892033d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7797836a8fb1340365bb7bc6c7f533f73811c031dfd0f4d8b4df1a2d892033d", kill_on_drop: false }`
[INFO] [stdout] b7797836a8fb1340365bb7bc6c7f533f73811c031dfd0f4d8b4df1a2d892033d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2cf078715006e9e3ad6475582e5fb7f77cce7724eeddef2894fdae025f06041c
[INFO] running `Command { std: "docker" "start" "-a" "2cf078715006e9e3ad6475582e5fb7f77cce7724eeddef2894fdae025f06041c", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]    --> src/timing/mod.rs:101:45
[INFO] [stderr]     |
[INFO] [stderr] 101 |             self.receiver.receive().map(|a| ((self.func)(a)))
[INFO] [stderr]     |                                             ^              ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 101 -             self.receiver.receive().map(|a| ((self.func)(a)))
[INFO] [stderr] 101 +             self.receiver.receive().map(|a| (self.func)(a) )
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_countdown` (lib) generated 1 warning (run `cargo fix --lib -p rust_countdown` to apply 1 suggestion)
[INFO] [stderr] warning: `rust_countdown` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_countdown-32f8e58e7030c68e)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test generators::subset_generator::test_counter ... ok
[INFO] [stdout] test generators::subset_permutation_generator::test ... ok
[INFO] [stdout] test generators::permutation_generator::test ... ok
[INFO] [stdout] test generators::permutation_generator::test_unique_generator has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "2cf078715006e9e3ad6475582e5fb7f77cce7724eeddef2894fdae025f06041c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cf078715006e9e3ad6475582e5fb7f77cce7724eeddef2894fdae025f06041c", kill_on_drop: false }`
[INFO] [stdout] 2cf078715006e9e3ad6475582e5fb7f77cce7724eeddef2894fdae025f06041c
