[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 master#0d162b25edd5bf0dba9a22e83b614f1113e90474 for pr-150681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWebstonesl%2Fcountdown_rs" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Webstonesl/countdown_rs on toolchain 0d162b25edd5bf0dba9a22e83b614f1113e90474
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "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" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b4a399a8dc5f8e629b0096c622257a09324f0a6f6c8e16adced9902f1597c7b7
[INFO] running `Command { std: "docker" "start" "-a" "b4a399a8dc5f8e629b0096c622257a09324f0a6f6c8e16adced9902f1597c7b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4a399a8dc5f8e629b0096c622257a09324f0a6f6c8e16adced9902f1597c7b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4a399a8dc5f8e629b0096c622257a09324f0a6f6c8e16adced9902f1597c7b7", kill_on_drop: false }`
[INFO] [stdout] b4a399a8dc5f8e629b0096c622257a09324f0a6f6c8e16adced9902f1597c7b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1014a22ae3741d2545ea3687647a536eb52cf601a7463e95530dd9354d30f0b4
[INFO] running `Command { std: "docker" "start" "-a" "1014a22ae3741d2545ea3687647a536eb52cf601a7463e95530dd9354d30f0b4", 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 0.44s
[INFO] running `Command { std: "docker" "inspect" "1014a22ae3741d2545ea3687647a536eb52cf601a7463e95530dd9354d30f0b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1014a22ae3741d2545ea3687647a536eb52cf601a7463e95530dd9354d30f0b4", kill_on_drop: false }`
[INFO] [stdout] 1014a22ae3741d2545ea3687647a536eb52cf601a7463e95530dd9354d30f0b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5cb9a605d914bea65a6fc4adb41d163a08ea5271c80a809b85add6b19945736
[INFO] running `Command { std: "docker" "start" "-a" "e5cb9a605d914bea65a6fc4adb41d163a08ea5271c80a809b85add6b19945736", 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] [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 1.33s
[INFO] running `Command { std: "docker" "inspect" "e5cb9a605d914bea65a6fc4adb41d163a08ea5271c80a809b85add6b19945736", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5cb9a605d914bea65a6fc4adb41d163a08ea5271c80a809b85add6b19945736", kill_on_drop: false }`
[INFO] [stdout] e5cb9a605d914bea65a6fc4adb41d163a08ea5271c80a809b85add6b19945736
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8d6f1a79e78fb1d5e188e7f2b1be962eaec9ad06da10aefc95c038d4983c155a
[INFO] running `Command { std: "docker" "start" "-a" "8d6f1a79e78fb1d5e188e7f2b1be962eaec9ad06da10aefc95c038d4983c155a", 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-ef506389ca308922)
[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" "8d6f1a79e78fb1d5e188e7f2b1be962eaec9ad06da10aefc95c038d4983c155a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d6f1a79e78fb1d5e188e7f2b1be962eaec9ad06da10aefc95c038d4983c155a", kill_on_drop: false }`
[INFO] [stdout] 8d6f1a79e78fb1d5e188e7f2b1be962eaec9ad06da10aefc95c038d4983c155a
