[INFO] cloning repository https://github.com/lgirault/minigrep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lgirault/minigrep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flgirault%2Fminigrep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flgirault%2Fminigrep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7e1bb41dccb66aa52a1b079c86b1188cd56a7bc1
[INFO] testing lgirault/minigrep against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flgirault%2Fminigrep" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lgirault/minigrep on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lgirault/minigrep
[INFO] finished tweaking git repo https://github.com/lgirault/minigrep
[INFO] tweaked toml for git repo https://github.com/lgirault/minigrep written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/lgirault/minigrep already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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] 81715a0fde1e9c10a31a8eb6ad8f678952708b5d5822cceb30b171b8e19c8fdd
[INFO] running `Command { std: "docker" "start" "-a" "81715a0fde1e9c10a31a8eb6ad8f678952708b5d5822cceb30b171b8e19c8fdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81715a0fde1e9c10a31a8eb6ad8f678952708b5d5822cceb30b171b8e19c8fdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81715a0fde1e9c10a31a8eb6ad8f678952708b5d5822cceb30b171b8e19c8fdd", kill_on_drop: false }`
[INFO] [stdout] 81715a0fde1e9c10a31a8eb6ad8f678952708b5d5822cceb30b171b8e19c8fdd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--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] 186e574495131e7b6a64b2d84a5cd95b00a54ee34aabcd09d330401aead02b5b
[INFO] running `Command { std: "docker" "start" "-a" "186e574495131e7b6a64b2d84a5cd95b00a54ee34aabcd09d330401aead02b5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling minigrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `Cacher`
[INFO] [stdout]    --> src/lib.rs:100:8
[INFO] [stdout]     |
[INFO] [stdout] 100 | struct Cacher<T, K, V>
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/lib.rs:114:8
[INFO] [stdout]     |
[INFO] [stdout] 114 |     fn new(calculation: T) -> Cacher<T, K, V> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `value`
[INFO] [stdout]    --> src/lib.rs:121:8
[INFO] [stdout]     |
[INFO] [stdout] 121 |     fn value(&mut self, arg: K) -> V {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `Command { std: "docker" "inspect" "186e574495131e7b6a64b2d84a5cd95b00a54ee34aabcd09d330401aead02b5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "186e574495131e7b6a64b2d84a5cd95b00a54ee34aabcd09d330401aead02b5b", kill_on_drop: false }`
[INFO] [stdout] 186e574495131e7b6a64b2d84a5cd95b00a54ee34aabcd09d330401aead02b5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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] d1a847dbd12dd557d2ee22536550d00d220ddd82e5dfe5f390c15625933ad97f
[INFO] running `Command { std: "docker" "start" "-a" "d1a847dbd12dd557d2ee22536550d00d220ddd82e5dfe5f390c15625933ad97f", kill_on_drop: false }`
[INFO] [stdout] warning: struct is never constructed: `Cacher`
[INFO] [stdout]    --> src/lib.rs:100:8
[INFO] [stdout]     |
[INFO] [stdout] 100 | struct Cacher<T, K, V>
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling minigrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/lib.rs:114:8
[INFO] [stdout]     |
[INFO] [stdout] 114 |     fn new(calculation: T) -> Cacher<T, K, V> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `value`
[INFO] [stdout]    --> src/lib.rs:121:8
[INFO] [stdout]     |
[INFO] [stdout] 121 |     fn value(&mut self, arg: K) -> V {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Cacher`
[INFO] [stdout]    --> src/lib.rs:100:8
[INFO] [stdout]     |
[INFO] [stdout] 100 | struct Cacher<T, K, V>
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/lib.rs:114:8
[INFO] [stdout]     |
[INFO] [stdout] 114 |     fn new(calculation: T) -> Cacher<T, K, V> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `value`
[INFO] [stdout]    --> src/lib.rs:121:8
[INFO] [stdout]     |
[INFO] [stdout] 121 |     fn value(&mut self, arg: K) -> V {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "d1a847dbd12dd557d2ee22536550d00d220ddd82e5dfe5f390c15625933ad97f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1a847dbd12dd557d2ee22536550d00d220ddd82e5dfe5f390c15625933ad97f", kill_on_drop: false }`
[INFO] [stdout] d1a847dbd12dd557d2ee22536550d00d220ddd82e5dfe5f390c15625933ad97f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", 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] 699414c7ee43cf1867a77f0b5dd38af40b2847dda9e2d0167f3b0d04c02afe1d
[INFO] running `Command { std: "docker" "start" "-a" "699414c7ee43cf1867a77f0b5dd38af40b2847dda9e2d0167f3b0d04c02afe1d", kill_on_drop: false }`
[INFO] [stderr] warning: struct is never constructed: `Cacher`
[INFO] [stderr]    --> src/lib.rs:100:8
[INFO] [stderr]     |
[INFO] [stderr] 100 | struct Cacher<T, K, V>
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> src/lib.rs:114:8
[INFO] [stderr]     |
[INFO] [stderr] 114 |     fn new(calculation: T) -> Cacher<T, K, V> {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `value`
[INFO] [stderr]    --> src/lib.rs:121:8
[INFO] [stderr]     |
[INFO] [stderr] 121 |     fn value(&mut self, arg: K) -> V {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Cacher`
[INFO] [stderr]    --> src/lib.rs:100:8
[INFO] [stderr]     |
[INFO] [stderr] 100 | struct Cacher<T, K, V>
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> src/lib.rs:114:8
[INFO] [stderr]     |
[INFO] [stderr] 114 |     fn new(calculation: T) -> Cacher<T, K, V> {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `value`
[INFO] [stderr]    --> src/lib.rs:121:8
[INFO] [stderr]     |
[INFO] [stderr] 121 |     fn value(&mut self, arg: K) -> V {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/minigrep-26f8f4a4305542a2)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::case_insensitive ... ok
[INFO] [stdout] test tests::case_sensitive ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/minigrep-9ab94117df4dd0a2)
[INFO] [stderr]    Doc-tests minigrep
[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" "699414c7ee43cf1867a77f0b5dd38af40b2847dda9e2d0167f3b0d04c02afe1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "699414c7ee43cf1867a77f0b5dd38af40b2847dda9e2d0167f3b0d04c02afe1d", kill_on_drop: false }`
[INFO] [stdout] 699414c7ee43cf1867a77f0b5dd38af40b2847dda9e2d0167f3b0d04c02afe1d