[INFO] cloning repository https://github.com/pranav97/rust-linear
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pranav97/rust-linear" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpranav97%2Frust-linear", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpranav97%2Frust-linear'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3ebdb86511f066414708f5534a0b46c64561e2e2
[INFO] testing pranav97/rust-linear against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpranav97%2Frust-linear" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/pranav97/rust-linear
[INFO] finished tweaking git repo https://github.com/pranav97/rust-linear
[INFO] tweaked toml for git repo https://github.com/pranav97/rust-linear written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pranav97/rust-linear on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/pranav97/rust-linear 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hermit-abi v0.1.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5facdbd70e9f3aa0e04b0b287f0e5b362ef642a88a3cab8a351552c4222168f
[INFO] running `Command { std: "docker" "start" "-a" "a5facdbd70e9f3aa0e04b0b287f0e5b362ef642a88a3cab8a351552c4222168f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5facdbd70e9f3aa0e04b0b287f0e5b362ef642a88a3cab8a351552c4222168f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5facdbd70e9f3aa0e04b0b287f0e5b362ef642a88a3cab8a351552c4222168f", kill_on_drop: false }`
[INFO] [stdout] a5facdbd70e9f3aa0e04b0b287f0e5b362ef642a88a3cab8a351552c4222168f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9c55925c044a903772a00269a85a561bf9bf82f9beae8244b4f466641f35249
[INFO] running `Command { std: "docker" "start" "-a" "f9c55925c044a903772a00269a85a561bf9bf82f9beae8244b4f466641f35249", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling single_thread v0.1.0 (/opt/rustwide/workdir/single_thread)
[INFO] [stdout] warning: trait `Show` is never used
[INFO] [stdout]   --> single_thread/src/main.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 | trait Show {
[INFO] [stdout]    |       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling multi_thread v0.1.0 (/opt/rustwide/workdir/multi_thread)
[INFO] [stdout] warning: trait `Show` is never used
[INFO] [stdout]   --> multi_thread/src/main.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | trait Show {
[INFO] [stdout]    |       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.89s
[INFO] running `Command { std: "docker" "inspect" "f9c55925c044a903772a00269a85a561bf9bf82f9beae8244b4f466641f35249", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9c55925c044a903772a00269a85a561bf9bf82f9beae8244b4f466641f35249", kill_on_drop: false }`
[INFO] [stdout] f9c55925c044a903772a00269a85a561bf9bf82f9beae8244b4f466641f35249
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38fe205eab27743a24ac4127c603f06e20e9d066e10f33feeacdb5612324ee27
[INFO] running `Command { std: "docker" "start" "-a" "38fe205eab27743a24ac4127c603f06e20e9d066e10f33feeacdb5612324ee27", kill_on_drop: false }`
[INFO] [stderr]    Compiling single_thread v0.1.0 (/opt/rustwide/workdir/single_thread)
[INFO] [stderr]    Compiling multi_thread v0.1.0 (/opt/rustwide/workdir/multi_thread)
[INFO] [stdout] warning: trait `Show` is never used
[INFO] [stdout]   --> multi_thread/src/main.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | trait Show {
[INFO] [stdout]    |       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Show` is never used
[INFO] [stdout]   --> single_thread/src/main.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 | trait Show {
[INFO] [stdout]    |       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "38fe205eab27743a24ac4127c603f06e20e9d066e10f33feeacdb5612324ee27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38fe205eab27743a24ac4127c603f06e20e9d066e10f33feeacdb5612324ee27", kill_on_drop: false }`
[INFO] [stdout] 38fe205eab27743a24ac4127c603f06e20e9d066e10f33feeacdb5612324ee27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9b88e17337b5d1779da43337d998c930c471853a9b7eafea0114c434b21470e3
[INFO] running `Command { std: "docker" "start" "-a" "9b88e17337b5d1779da43337d998c930c471853a9b7eafea0114c434b21470e3", kill_on_drop: false }`
[INFO] [stderr] warning: trait `Show` is never used
[INFO] [stderr]   --> multi_thread/src/main.rs:17:7
[INFO] [stderr]    |
[INFO] [stderr] 17 | trait Show {
[INFO] [stderr]    |       ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Show` is never used
[INFO] [stderr]   --> single_thread/src/main.rs:18:7
[INFO] [stderr]    |
[INFO] [stderr] 18 | trait Show {
[INFO] [stderr]    |       ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `multi_thread` (bin "multi_thread" test) generated 1 warning
[INFO] [stderr] warning: `single_thread` (bin "single_thread" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/multi_thread-b47b5c0e86373fe1)
[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]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/single_thread-c7eee44572cfb057)
[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" "9b88e17337b5d1779da43337d998c930c471853a9b7eafea0114c434b21470e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b88e17337b5d1779da43337d998c930c471853a9b7eafea0114c434b21470e3", kill_on_drop: false }`
[INFO] [stdout] 9b88e17337b5d1779da43337d998c930c471853a9b7eafea0114c434b21470e3