[INFO] fetching crate panic-ub 0.0.0...
[INFO] testing panic-ub-0.0.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate panic-ub 0.0.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate panic-ub 0.0.0
[INFO] finished tweaking crates.io crate panic-ub 0.0.0
[INFO] tweaked toml for crates.io crate panic-ub 0.0.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate panic-ub 0.0.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate panic-ub 0.0.0 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4237b2a047939208e7210678fa87daf4e5f2381d87a073fac22b091f15cab3b
[INFO] running `Command { std: "docker" "start" "-a" "d4237b2a047939208e7210678fa87daf4e5f2381d87a073fac22b091f15cab3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4237b2a047939208e7210678fa87daf4e5f2381d87a073fac22b091f15cab3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4237b2a047939208e7210678fa87daf4e5f2381d87a073fac22b091f15cab3b", kill_on_drop: false }`
[INFO] [stdout] d4237b2a047939208e7210678fa87daf4e5f2381d87a073fac22b091f15cab3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 217e83c9b66820e5aab05a5fcb2f2aa1a074a76b7d9b2e96a9c516fd0514f962
[INFO] running `Command { std: "docker" "start" "-a" "217e83c9b66820e5aab05a5fcb2f2aa1a074a76b7d9b2e96a9c516fd0514f962", kill_on_drop: false }`
[INFO] [stderr]    Compiling panic-ub v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `hint::unreachable_unchecked` and `panic::PanicInfo`
[INFO] [stdout]  --> src/lib.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 |     use core::{hint::unreachable_unchecked, panic::PanicInfo};
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "217e83c9b66820e5aab05a5fcb2f2aa1a074a76b7d9b2e96a9c516fd0514f962", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "217e83c9b66820e5aab05a5fcb2f2aa1a074a76b7d9b2e96a9c516fd0514f962", kill_on_drop: false }`
[INFO] [stdout] 217e83c9b66820e5aab05a5fcb2f2aa1a074a76b7d9b2e96a9c516fd0514f962
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe9777d16aa2cd13cf0aa796c4afe9823070e9d6f933371c2386159d7a34fdb4
[INFO] running `Command { std: "docker" "start" "-a" "fe9777d16aa2cd13cf0aa796c4afe9823070e9d6f933371c2386159d7a34fdb4", kill_on_drop: false }`
[INFO] [stdout] warning: unused imports: `hint::unreachable_unchecked` and `panic::PanicInfo`
[INFO] [stdout]  --> src/lib.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 |     use core::{hint::unreachable_unchecked, panic::PanicInfo};
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling panic-ub v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `hint::unreachable_unchecked` and `panic::PanicInfo`
[INFO] [stdout]  --> src/lib.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 |     use core::{hint::unreachable_unchecked, panic::PanicInfo};
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "fe9777d16aa2cd13cf0aa796c4afe9823070e9d6f933371c2386159d7a34fdb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe9777d16aa2cd13cf0aa796c4afe9823070e9d6f933371c2386159d7a34fdb4", kill_on_drop: false }`
[INFO] [stdout] fe9777d16aa2cd13cf0aa796c4afe9823070e9d6f933371c2386159d7a34fdb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2b060547d1ed3a5bf5d7670337c9660165fa9ab33b14c055ecfa7744d08ea35f
[INFO] running `Command { std: "docker" "start" "-a" "2b060547d1ed3a5bf5d7670337c9660165fa9ab33b14c055ecfa7744d08ea35f", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `hint::unreachable_unchecked` and `panic::PanicInfo`
[INFO] [stderr]  --> src/lib.rs:4:16
[INFO] [stderr]   |
[INFO] [stderr] 4 |     use core::{hint::unreachable_unchecked, panic::PanicInfo};
[INFO] [stderr]   |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `panic-ub` (lib) generated 1 warning (run `cargo fix --lib -p panic-ub` to apply 1 suggestion)
[INFO] [stderr] warning: `panic-ub` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/panic_ub-87c65193ac0ab015)
[INFO] [stderr]    Doc-tests panic_ub
[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] [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" "2b060547d1ed3a5bf5d7670337c9660165fa9ab33b14c055ecfa7744d08ea35f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b060547d1ed3a5bf5d7670337c9660165fa9ab33b14c055ecfa7744d08ea35f", kill_on_drop: false }`
[INFO] [stdout] 2b060547d1ed3a5bf5d7670337c9660165fa9ab33b14c055ecfa7744d08ea35f