[INFO] cloning repository https://github.com/krisn2/rustcodesheet
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/krisn2/rustcodesheet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrisn2%2Frustcodesheet", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrisn2%2Frustcodesheet'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9c5ffa47267d23b301544ac720a22e6c9a860d62
[INFO] testing krisn2/rustcodesheet against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrisn2%2Frustcodesheet" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/krisn2/rustcodesheet
[INFO] finished tweaking git repo https://github.com/krisn2/rustcodesheet
[INFO] tweaked toml for git repo https://github.com/krisn2/rustcodesheet written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/krisn2/rustcodesheet on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/krisn2/rustcodesheet 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26b860ecbe968e7db0a9dbc2683bbd18e3d94638986e585d3f92694e5667b426
[INFO] running `Command { std: "docker" "start" "-a" "26b860ecbe968e7db0a9dbc2683bbd18e3d94638986e585d3f92694e5667b426", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26b860ecbe968e7db0a9dbc2683bbd18e3d94638986e585d3f92694e5667b426", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26b860ecbe968e7db0a9dbc2683bbd18e3d94638986e585d3f92694e5667b426", kill_on_drop: false }`
[INFO] [stdout] 26b860ecbe968e7db0a9dbc2683bbd18e3d94638986e585d3f92694e5667b426
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cceb1a369839acfcccdc50e5800aa9680eb9eea595d78d51d16550aac5008109
[INFO] running `Command { std: "docker" "start" "-a" "cceb1a369839acfcccdc50e5800aa9680eb9eea595d78d51d16550aac5008109", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustconcept v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `x` is assigned to, but never used
[INFO] [stdout]  --> src/mythread.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let mut x =0u128;
[INFO] [stdout]   |             ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider using `_x` instead
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Dog` is never constructed
[INFO] [stdout]   --> src/traits_rust.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Dog {}
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "cceb1a369839acfcccdc50e5800aa9680eb9eea595d78d51d16550aac5008109", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cceb1a369839acfcccdc50e5800aa9680eb9eea595d78d51d16550aac5008109", kill_on_drop: false }`
[INFO] [stdout] cceb1a369839acfcccdc50e5800aa9680eb9eea595d78d51d16550aac5008109
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4acf2be5dd5091d46831bebfa0968cccd4f66d2dbf031286ad3893107af9ab04
[INFO] running `Command { std: "docker" "start" "-a" "4acf2be5dd5091d46831bebfa0968cccd4f66d2dbf031286ad3893107af9ab04", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustconcept v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `x` is assigned to, but never used
[INFO] [stdout]  --> src/mythread.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let mut x =0u128;
[INFO] [stdout]   |             ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider using `_x` instead
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Dog` is never constructed
[INFO] [stdout]   --> src/traits_rust.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Dog {}
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "4acf2be5dd5091d46831bebfa0968cccd4f66d2dbf031286ad3893107af9ab04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4acf2be5dd5091d46831bebfa0968cccd4f66d2dbf031286ad3893107af9ab04", kill_on_drop: false }`
[INFO] [stdout] 4acf2be5dd5091d46831bebfa0968cccd4f66d2dbf031286ad3893107af9ab04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 16274f3136f987a1eff7e38516c30f8127796b3db2a33a1cb2121b88a2216e7e
[INFO] running `Command { std: "docker" "start" "-a" "16274f3136f987a1eff7e38516c30f8127796b3db2a33a1cb2121b88a2216e7e", kill_on_drop: false }`
[INFO] [stderr] warning: variable `x` is assigned to, but never used
[INFO] [stdout] 
[INFO] [stderr]  --> src/mythread.rs:3:13
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] 3 |     let mut x =0u128;
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   |             ^
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stderr]   = note: consider using `_x` instead
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Dog` is never constructed
[INFO] [stderr]   --> src/traits_rust.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 | struct Dog {}
[INFO] [stderr]    |        ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rustconcept` (bin "rustconcept" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustconcept-063a62f3c056aa6d)
[INFO] running `Command { std: "docker" "inspect" "16274f3136f987a1eff7e38516c30f8127796b3db2a33a1cb2121b88a2216e7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16274f3136f987a1eff7e38516c30f8127796b3db2a33a1cb2121b88a2216e7e", kill_on_drop: false }`
[INFO] [stdout] 16274f3136f987a1eff7e38516c30f8127796b3db2a33a1cb2121b88a2216e7e
