[INFO] cloning repository https://github.com/robcampbell79/pythagorean_triples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/robcampbell79/pythagorean_triples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobcampbell79%2Fpythagorean_triples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobcampbell79%2Fpythagorean_triples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dbbd855adeb5df444d5c3958ae075dcb85ed1ee1
[INFO] testing robcampbell79/pythagorean_triples against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobcampbell79%2Fpythagorean_triples" "/workspace/builds/worker-97/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-97/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/robcampbell79/pythagorean_triples on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/robcampbell79/pythagorean_triples
[INFO] finished tweaking git repo https://github.com/robcampbell79/pythagorean_triples
[INFO] tweaked toml for git repo https://github.com/robcampbell79/pythagorean_triples written to /workspace/builds/worker-97/source/Cargo.toml
[INFO] crate git repo https://github.com/robcampbell79/pythagorean_triples already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b59591089edb026142d5429af251a1d27fc1bbb734abc971eeee162fd0c0e843
[INFO] running `Command { std: "docker" "start" "-a" "b59591089edb026142d5429af251a1d27fc1bbb734abc971eeee162fd0c0e843", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b59591089edb026142d5429af251a1d27fc1bbb734abc971eeee162fd0c0e843", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b59591089edb026142d5429af251a1d27fc1bbb734abc971eeee162fd0c0e843", kill_on_drop: false }`
[INFO] [stdout] b59591089edb026142d5429af251a1d27fc1bbb734abc971eeee162fd0c0e843
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b9cd9afe5e62e7ba2d44cb13bda952a8603382332185f509c5d01cd4764d992
[INFO] running `Command { std: "docker" "start" "-a" "9b9cd9afe5e62e7ba2d44cb13bda952a8603382332185f509c5d01cd4764d992", kill_on_drop: false }`
[INFO] [stderr]    Compiling pythagorean_triples v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `x` is never read
[INFO] [stdout]  --> src/pyt.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let mut x: u64 = 0;
[INFO] [stdout]   |             ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `y` is never read
[INFO] [stdout]  --> src/pyt.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut y: u64 = 0;
[INFO] [stdout]   |             ^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `z` is never read
[INFO] [stdout]  --> src/pyt.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut z: u64 = 0;
[INFO] [stdout]   |             ^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "9b9cd9afe5e62e7ba2d44cb13bda952a8603382332185f509c5d01cd4764d992", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b9cd9afe5e62e7ba2d44cb13bda952a8603382332185f509c5d01cd4764d992", kill_on_drop: false }`
[INFO] [stdout] 9b9cd9afe5e62e7ba2d44cb13bda952a8603382332185f509c5d01cd4764d992
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93d5e6bf8a33ebd46b576371d3e41fc0c43ccce1dc0c8c1f348c532ef0a8a151
[INFO] running `Command { std: "docker" "start" "-a" "93d5e6bf8a33ebd46b576371d3e41fc0c43ccce1dc0c8c1f348c532ef0a8a151", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pythagorean_triples v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `x` is never read
[INFO] [stdout]  --> src/pyt.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let mut x: u64 = 0;
[INFO] [stdout]   |             ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `y` is never read
[INFO] [stdout]  --> src/pyt.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut y: u64 = 0;
[INFO] [stdout]   |             ^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `z` is never read
[INFO] [stdout]  --> src/pyt.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut z: u64 = 0;
[INFO] [stdout]   |             ^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "93d5e6bf8a33ebd46b576371d3e41fc0c43ccce1dc0c8c1f348c532ef0a8a151", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93d5e6bf8a33ebd46b576371d3e41fc0c43ccce1dc0c8c1f348c532ef0a8a151", kill_on_drop: false }`
[INFO] [stdout] 93d5e6bf8a33ebd46b576371d3e41fc0c43ccce1dc0c8c1f348c532ef0a8a151
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b22e44d121ecee53b1ba3d1decde4b16bf542f6748397be5bfec611e425e817e
[INFO] running `Command { std: "docker" "start" "-a" "b22e44d121ecee53b1ba3d1decde4b16bf542f6748397be5bfec611e425e817e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: value assigned to `x` is never read
[INFO] [stderr]  --> src/pyt.rs:3:13
[INFO] [stderr]   |
[INFO] [stderr] 3 |     let mut x: u64 = 0;
[INFO] [stderr]   |             ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `y` is never read
[INFO] [stderr]  --> src/pyt.rs:4:13
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let mut y: u64 = 0;
[INFO] [stderr]   |             ^
[INFO] [stderr]   |
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `z` is never read
[INFO] [stderr]  --> src/pyt.rs:5:13
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let mut z: u64 = 0;
[INFO] [stderr]   |             ^
[INFO] [stderr]   |
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: `pythagorean_triples` (bin "pythagorean_triples" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.36s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pythagorean_triples-beea7364d1b30e54)
[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" "b22e44d121ecee53b1ba3d1decde4b16bf542f6748397be5bfec611e425e817e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b22e44d121ecee53b1ba3d1decde4b16bf542f6748397be5bfec611e425e817e", kill_on_drop: false }`
[INFO] [stdout] b22e44d121ecee53b1ba3d1decde4b16bf542f6748397be5bfec611e425e817e