[INFO] cloning repository https://github.com/ymmtmdk/shadow_cost_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ymmtmdk/shadow_cost_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fymmtmdk%2Fshadow_cost_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fymmtmdk%2Fshadow_cost_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3503bcbde45271f3dd4010fb9d0d611e55c51a0a [INFO] testing ymmtmdk/shadow_cost_rust against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fymmtmdk%2Fshadow_cost_rust" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ymmtmdk/shadow_cost_rust on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ymmtmdk/shadow_cost_rust [INFO] finished tweaking git repo https://github.com/ymmtmdk/shadow_cost_rust [INFO] tweaked toml for git repo https://github.com/ymmtmdk/shadow_cost_rust written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/ymmtmdk/shadow_cost_rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] 1fb9ce0d193907ba1d002aedf1bffe058cea5b6c10e7b69127209a3841881656 [INFO] running `Command { std: "docker" "start" "-a" "1fb9ce0d193907ba1d002aedf1bffe058cea5b6c10e7b69127209a3841881656", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1fb9ce0d193907ba1d002aedf1bffe058cea5b6c10e7b69127209a3841881656", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1fb9ce0d193907ba1d002aedf1bffe058cea5b6c10e7b69127209a3841881656", kill_on_drop: false }` [INFO] [stdout] 1fb9ce0d193907ba1d002aedf1bffe058cea5b6c10e7b69127209a3841881656 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3ca7d18f7186d8f84b58c02cc58c26cdb51ed02c5d67fee2b2ebb62973d9465b [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" "3ca7d18f7186d8f84b58c02cc58c26cdb51ed02c5d67fee2b2ebb62973d9465b", kill_on_drop: false }` [INFO] [stderr] Compiling shadow_cost_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:294:17 [INFO] [stdout] | [INFO] [stdout] 294 | let mut t = self.cache.get_mut(key).unwrap(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` 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 2.08s [INFO] running `Command { std: "docker" "inspect" "3ca7d18f7186d8f84b58c02cc58c26cdb51ed02c5d67fee2b2ebb62973d9465b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3ca7d18f7186d8f84b58c02cc58c26cdb51ed02c5d67fee2b2ebb62973d9465b", kill_on_drop: false }` [INFO] [stdout] 3ca7d18f7186d8f84b58c02cc58c26cdb51ed02c5d67fee2b2ebb62973d9465b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--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] 5e834b6810fef73af14cecc9b185c5d8874e154310fc46b491ca55ffb227e345 [INFO] running `Command { std: "docker" "start" "-a" "5e834b6810fef73af14cecc9b185c5d8874e154310fc46b491ca55ffb227e345", kill_on_drop: false }` [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:294:17 [INFO] [stdout] | [INFO] [stdout] 294 | let mut t = self.cache.get_mut(key).unwrap(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling shadow_cost_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:294:17 [INFO] [stdout] | [INFO] [stdout] 294 | let mut t = self.cache.get_mut(key).unwrap(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` 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 2.12s [INFO] running `Command { std: "docker" "inspect" "5e834b6810fef73af14cecc9b185c5d8874e154310fc46b491ca55ffb227e345", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5e834b6810fef73af14cecc9b185c5d8874e154310fc46b491ca55ffb227e345", kill_on_drop: false }` [INFO] [stdout] 5e834b6810fef73af14cecc9b185c5d8874e154310fc46b491ca55ffb227e345 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a25d3c6256248130b84c81aee3064e9f706b4c08be2e43c9467763698bad5c9d [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" "a25d3c6256248130b84c81aee3064e9f706b4c08be2e43c9467763698bad5c9d", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:294:17 [INFO] [stderr] | [INFO] [stderr] 294 | let mut t = self.cache.get_mut(key).unwrap(); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `shadow_cost_rust` (lib) generated 1 warning [INFO] [stderr] warning: `shadow_cost_rust` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/shadow_cost_rust-b347a741787a2fc2) [INFO] [stdout] [INFO] [stdout] running 10 tests [INFO] [stdout] test tests::size ... ok [INFO] [stdout] test tests::remove ... ok [INFO] [stdout] test tests::player ... ok [INFO] [stdout] test tests::play ... ok [INFO] [stdout] test tests::new ... ok [INFO] [stdout] test tests::add ... ok [INFO] [stdout] test tests::trial ... ok [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/shadow_cost_rust-aa270494c9830f81) [INFO] [stdout] test tests::cost_sim ... ok [INFO] [stdout] test tests::draw ... ok [INFO] [stdout] test tests::less_than ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] [stderr] Doc-tests shadow_cost_rust [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] [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" "a25d3c6256248130b84c81aee3064e9f706b4c08be2e43c9467763698bad5c9d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a25d3c6256248130b84c81aee3064e9f706b4c08be2e43c9467763698bad5c9d", kill_on_drop: false }` [INFO] [stdout] a25d3c6256248130b84c81aee3064e9f706b4c08be2e43c9467763698bad5c9d