[INFO] cloning repository https://github.com/thbar/rust-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thbar/rust-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthbar%2Frust-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthbar%2Frust-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b60e0f8f96190abd4e82cf0816910519a8b2f5bc
[INFO] testing thbar/rust-playground against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthbar%2Frust-playground" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thbar/rust-playground on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/thbar/rust-playground
[INFO] finished tweaking git repo https://github.com/thbar/rust-playground
[INFO] tweaked toml for git repo https://github.com/thbar/rust-playground written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/thbar/rust-playground 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" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d094a3db0dc878fa0254e71787d6834f498138a60a97d4cebb5f95574b619a6b
[INFO] running `Command { std: "docker" "start" "-a" "d094a3db0dc878fa0254e71787d6834f498138a60a97d4cebb5f95574b619a6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d094a3db0dc878fa0254e71787d6834f498138a60a97d4cebb5f95574b619a6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d094a3db0dc878fa0254e71787d6834f498138a60a97d4cebb5f95574b619a6b", kill_on_drop: false }`
[INFO] [stdout] d094a3db0dc878fa0254e71787d6834f498138a60a97d4cebb5f95574b619a6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ee19a650918a308ffb5ee92464e6e7dd495a0e730a4cc2f53f81a52042439c9
[INFO] running `Command { std: "docker" "start" "-a" "1ee19a650918a308ffb5ee92464e6e7dd495a0e730a4cc2f53f81a52042439c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "1ee19a650918a308ffb5ee92464e6e7dd495a0e730a4cc2f53f81a52042439c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ee19a650918a308ffb5ee92464e6e7dd495a0e730a4cc2f53f81a52042439c9", kill_on_drop: false }`
[INFO] [stdout] 1ee19a650918a308ffb5ee92464e6e7dd495a0e730a4cc2f53f81a52042439c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1d1d54a425108c0662562d38a9ef1c9139f374f64bfa5d92e8949b6b8408ee1
[INFO] running `Command { std: "docker" "start" "-a" "f1d1d54a425108c0662562d38a9ef1c9139f374f64bfa5d92e8949b6b8408ee1", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `x` and `y` are never read
[INFO] [stdout]   --> src/lib.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |         struct MyStruct {
[INFO] [stdout]    |                -------- fields in this struct
[INFO] [stdout] 42 |             x: i32,
[INFO] [stdout]    |             ^
[INFO] [stdout] 43 |             y: i32,
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MyStruct` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "f1d1d54a425108c0662562d38a9ef1c9139f374f64bfa5d92e8949b6b8408ee1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1d1d54a425108c0662562d38a9ef1c9139f374f64bfa5d92e8949b6b8408ee1", kill_on_drop: false }`
[INFO] [stdout] f1d1d54a425108c0662562d38a9ef1c9139f374f64bfa5d92e8949b6b8408ee1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3152785becc161a34db8628dd20813b4651fdcc7d9803a6bb36059404f764f71
[INFO] running `Command { std: "docker" "start" "-a" "3152785becc161a34db8628dd20813b4651fdcc7d9803a6bb36059404f764f71", kill_on_drop: false }`
[INFO] [stderr] warning: fields `x` and `y` are never read
[INFO] [stderr]   --> src/lib.rs:42:13
[INFO] [stderr]    |
[INFO] [stderr] 41 |         struct MyStruct {
[INFO] [stderr]    |                -------- fields in this struct
[INFO] [stderr] 42 |             x: i32,
[INFO] [stderr]    |             ^
[INFO] [stderr] 43 |             y: i32,
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `MyStruct` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-playground` (lib test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_playground-1f91b76e651807dc)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test half_hour::half_hour::assignments ... ok
[INFO] [stdout] test half_hour::half_hour::blocks ... ok
[INFO] [stdout] test half_hour::half_hour::structs ... ok
[INFO] [stdout] test half_hour::half_hour::calls ... ok
[INFO] [stdout] test half_hour::half_hour::control ... ok
[INFO] [stdout] test half_hour::half_hour::tuples ... ok
[INFO] [stdout] test half_hour::half_hour::vec ... ok
[INFO] [stdout] test tests::array ... ok
[INFO] [stdout] test tests::check_struct ... ok
[INFO] [stdout] test tests::formatted_print ... ok
[INFO] [stdout] test tests::formatter_print_for_struct ... ok
[INFO] [stdout] test tests::matrix_transpose ... ok
[INFO] [stdout] test tests::primitives ... ok
[INFO] [stdout] test tests::printing_struct ... ok
[INFO] [stdout] test tests::rect_area ... ok
[INFO] [stdout] test tests::square ... ok
[INFO] [stdout] test tests::tuple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/gcd.rs (/opt/rustwide/target/debug/deps/gcd-d3492820fbaa7b76)
[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] [stderr]    Doc-tests rust_playground
[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" "3152785becc161a34db8628dd20813b4651fdcc7d9803a6bb36059404f764f71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3152785becc161a34db8628dd20813b4651fdcc7d9803a6bb36059404f764f71", kill_on_drop: false }`
[INFO] [stdout] 3152785becc161a34db8628dd20813b4651fdcc7d9803a6bb36059404f764f71