[INFO] fetching crate quartet 0.2.1...
[INFO] testing quartet-0.2.1 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate quartet 0.2.1 into /workspace/builds/worker-93/source
[INFO] validating manifest of crates.io crate quartet 0.2.1 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate quartet 0.2.1
[INFO] finished tweaking crates.io crate quartet 0.2.1
[INFO] tweaked toml for crates.io crate quartet 0.2.1 written to /workspace/builds/worker-93/source/Cargo.toml
[INFO] crate crates.io crate quartet 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1bd83ced6aeb3898d009e7a77e5a07e8ada126140fcf433f63d801f47fa439e6
[INFO] running `Command { std: "docker" "start" "-a" "1bd83ced6aeb3898d009e7a77e5a07e8ada126140fcf433f63d801f47fa439e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bd83ced6aeb3898d009e7a77e5a07e8ada126140fcf433f63d801f47fa439e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bd83ced6aeb3898d009e7a77e5a07e8ada126140fcf433f63d801f47fa439e6", kill_on_drop: false }`
[INFO] [stdout] 1bd83ced6aeb3898d009e7a77e5a07e8ada126140fcf433f63d801f47fa439e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ccf387abd72e3a44dbb564d74c450adf50bc398b395d81fd19c9e7d5c39a744
[INFO] running `Command { std: "docker" "start" "-a" "1ccf387abd72e3a44dbb564d74c450adf50bc398b395d81fd19c9e7d5c39a744", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling quartet v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "1ccf387abd72e3a44dbb564d74c450adf50bc398b395d81fd19c9e7d5c39a744", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ccf387abd72e3a44dbb564d74c450adf50bc398b395d81fd19c9e7d5c39a744", kill_on_drop: false }`
[INFO] [stdout] 1ccf387abd72e3a44dbb564d74c450adf50bc398b395d81fd19c9e7d5c39a744
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58eede3cac503633d60734ede47af1ca45bc3e4be48f9ac0e7979ffb8ccf38ec
[INFO] running `Command { std: "docker" "start" "-a" "58eede3cac503633d60734ede47af1ca45bc3e4be48f9ac0e7979ffb8ccf38ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling quartet v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.39s
[INFO] running `Command { std: "docker" "inspect" "58eede3cac503633d60734ede47af1ca45bc3e4be48f9ac0e7979ffb8ccf38ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58eede3cac503633d60734ede47af1ca45bc3e4be48f9ac0e7979ffb8ccf38ec", kill_on_drop: false }`
[INFO] [stdout] 58eede3cac503633d60734ede47af1ca45bc3e4be48f9ac0e7979ffb8ccf38ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a7c9fb3defd2916ef91d786cd689c2ca08bd435b56a9b92c0533c5b10cb8631e
[INFO] running `Command { std: "docker" "start" "-a" "a7c9fb3defd2916ef91d786cd689c2ca08bd435b56a9b92c0533c5b10cb8631e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/quartet-73b4753de4c12b95)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test test_nibslice::index_3 ... ok
[INFO] [stdout] test test_nibslice::build_ok ... ok
[INFO] [stdout] test test_nibslice::index_middle ... ok
[INFO] [stdout] test test_nibslice::index_2 ... ok
[INFO] [stdout] test test_nibslice::index_single ... ok
[INFO] [stdout] test test_nibslice::index_range ... ok
[INFO] [stdout] test test_nibslice::iter ... ok
[INFO] [stdout] test test_nibslice::get_range_oob_exclude_both ... ok
[INFO] [stdout] test test_nibslice::index_to_1 ... ok
[INFO] [stdout] test test_nibslice::index_oob - should panic ... ok
[INFO] [stdout] test test_nibslice::index_range_bad - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests quartet
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - (line 15) ... ok
[INFO] [stdout] test src/lib.rs - NibSlice::nibble (line 109) ... ok
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] test src/lib.rs - NibSlice::try_nibble (line 129) ... ok
[INFO] [stdout] test src/lib.rs - doctest (line 592) ... ok
[INFO] [stdout] test src/lib.rs - NibSlice::index (line 87) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.74s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a7c9fb3defd2916ef91d786cd689c2ca08bd435b56a9b92c0533c5b10cb8631e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7c9fb3defd2916ef91d786cd689c2ca08bd435b56a9b92c0533c5b10cb8631e", kill_on_drop: false }`
[INFO] [stdout] a7c9fb3defd2916ef91d786cd689c2ca08bd435b56a9b92c0533c5b10cb8631e