[INFO] fetching crate mgh 0.1.5...
[INFO] testing mgh-0.1.5 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate mgh 0.1.5 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate mgh 0.1.5
[INFO] finished tweaking crates.io crate mgh 0.1.5
[INFO] tweaked toml for crates.io crate mgh 0.1.5 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mgh 0.1.5 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 crates.io crate mgh 0.1.5 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] a0ee43063e8579d0691cb7fa8779ec6df12a63c3544ad47080e22a68d6ddfaa3
[INFO] running `Command { std: "docker" "start" "-a" "a0ee43063e8579d0691cb7fa8779ec6df12a63c3544ad47080e22a68d6ddfaa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0ee43063e8579d0691cb7fa8779ec6df12a63c3544ad47080e22a68d6ddfaa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0ee43063e8579d0691cb7fa8779ec6df12a63c3544ad47080e22a68d6ddfaa3", kill_on_drop: false }`
[INFO] [stdout] a0ee43063e8579d0691cb7fa8779ec6df12a63c3544ad47080e22a68d6ddfaa3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] fff5e2b91bfc554399851d3771466c7e1185fc209af862c432e163fce352ee5d
[INFO] running `Command { std: "docker" "start" "-a" "fff5e2b91bfc554399851d3771466c7e1185fc209af862c432e163fce352ee5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling mgh v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `PI`
[INFO] [stdout]  --> src/lib.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 |         consts::{E, PI},
[INFO] [stdout]   |                     ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "fff5e2b91bfc554399851d3771466c7e1185fc209af862c432e163fce352ee5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fff5e2b91bfc554399851d3771466c7e1185fc209af862c432e163fce352ee5d", kill_on_drop: false }`
[INFO] [stdout] fff5e2b91bfc554399851d3771466c7e1185fc209af862c432e163fce352ee5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 6828316b8b1f0aa5c32305e70d5e0b70890a94f403c23c36f79f61a3d76cce0e
[INFO] running `Command { std: "docker" "start" "-a" "6828316b8b1f0aa5c32305e70d5e0b70890a94f403c23c36f79f61a3d76cce0e", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `PI`
[INFO] [stdout]  --> src/lib.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 |         consts::{E, PI},
[INFO] [stdout]   |                     ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mgh v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `PI`
[INFO] [stdout]  --> src/lib.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 |         consts::{E, PI},
[INFO] [stdout]   |                     ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "6828316b8b1f0aa5c32305e70d5e0b70890a94f403c23c36f79f61a3d76cce0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6828316b8b1f0aa5c32305e70d5e0b70890a94f403c23c36f79f61a3d76cce0e", kill_on_drop: false }`
[INFO] [stdout] 6828316b8b1f0aa5c32305e70d5e0b70890a94f403c23c36f79f61a3d76cce0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] b5ed48d2a94b89638577091fe308644128f1c7d970851739d0c2aeb7991b4caf
[INFO] running `Command { std: "docker" "start" "-a" "b5ed48d2a94b89638577091fe308644128f1c7d970851739d0c2aeb7991b4caf", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `PI`
[INFO] [stderr]  --> src/lib.rs:4:21
[INFO] [stderr]   |
[INFO] [stderr] 4 |         consts::{E, PI},
[INFO] [stderr]   |                     ^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mgh` (lib) generated 1 warning (run `cargo fix --lib -p mgh` to apply 1 suggestion)
[INFO] [stderr] warning: `mgh` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mgh-6e78916114ccf1cf)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_min ... ok
[INFO] [stderr]    Doc-tests mgh
[INFO] [stdout] test tests::test_init ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.20s
[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" "b5ed48d2a94b89638577091fe308644128f1c7d970851739d0c2aeb7991b4caf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5ed48d2a94b89638577091fe308644128f1c7d970851739d0c2aeb7991b4caf", kill_on_drop: false }`
[INFO] [stdout] b5ed48d2a94b89638577091fe308644128f1c7d970851739d0c2aeb7991b4caf