[INFO] fetching crate quartet 0.2.1...
[INFO] testing quartet-0.2.1 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate quartet 0.2.1 into /workspace/builds/worker-38/source
[INFO] validating manifest of crates.io crate quartet 0.2.1 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-38/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" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 331d4144889f6f1cb4f38d1d93e4803d3f43316a6e2ac27dad9859bfea18bdf6
[INFO] running `Command { std: "docker" "start" "-a" "331d4144889f6f1cb4f38d1d93e4803d3f43316a6e2ac27dad9859bfea18bdf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "331d4144889f6f1cb4f38d1d93e4803d3f43316a6e2ac27dad9859bfea18bdf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "331d4144889f6f1cb4f38d1d93e4803d3f43316a6e2ac27dad9859bfea18bdf6", kill_on_drop: false }`
[INFO] [stdout] 331d4144889f6f1cb4f38d1d93e4803d3f43316a6e2ac27dad9859bfea18bdf6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a94c549481300dae74c4c696a15907c579df71c65cb2f39f059f3134faf97bf
[INFO] running `Command { std: "docker" "start" "-a" "9a94c549481300dae74c4c696a15907c579df71c65cb2f39f059f3134faf97bf", 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 0.87s
[INFO] running `Command { std: "docker" "inspect" "9a94c549481300dae74c4c696a15907c579df71c65cb2f39f059f3134faf97bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a94c549481300dae74c4c696a15907c579df71c65cb2f39f059f3134faf97bf", kill_on_drop: false }`
[INFO] [stdout] 9a94c549481300dae74c4c696a15907c579df71c65cb2f39f059f3134faf97bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54b5b54e11b80b991a07feac0c9bc6c947f9fe23885d127455b2d3d42f5dcdd1
[INFO] running `Command { std: "docker" "start" "-a" "54b5b54e11b80b991a07feac0c9bc6c947f9fe23885d127455b2d3d42f5dcdd1", 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 1.27s
[INFO] running `Command { std: "docker" "inspect" "54b5b54e11b80b991a07feac0c9bc6c947f9fe23885d127455b2d3d42f5dcdd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54b5b54e11b80b991a07feac0c9bc6c947f9fe23885d127455b2d3d42f5dcdd1", kill_on_drop: false }`
[INFO] [stdout] 54b5b54e11b80b991a07feac0c9bc6c947f9fe23885d127455b2d3d42f5dcdd1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c341ce462bbfe5972347ec6423423890f91049fe142d3706e83061333253fd62
[INFO] running `Command { std: "docker" "start" "-a" "c341ce462bbfe5972347ec6423423890f91049fe142d3706e83061333253fd62", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/quartet-73b4753de4c12b95)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test test_nibslice::build_ok ... ok
[INFO] [stdout] test test_nibslice::index_3 ... ok
[INFO] [stdout] test test_nibslice::index_middle ... ok
[INFO] [stdout] test test_nibslice::get_range_oob_exclude_both ... ok
[INFO] [stdout] test test_nibslice::index_single ... ok
[INFO] [stdout] test test_nibslice::iter ... ok
[INFO] [stdout] test test_nibslice::index_range ... ok
[INFO] [stdout] test test_nibslice::index_to_1 ... ok
[INFO] [stdout] test test_nibslice::index_2 ... ok
[INFO] [stderr]    Doc-tests quartet
[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 0.06s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - NibSlice::nibble (line 109) ... ok
[INFO] [stdout] test src/lib.rs - (line 15) ... ok
[INFO] [stdout] test src/lib.rs - NibSlice::index (line 87) ... ok
[INFO] [stdout] test src/lib.rs - doctest (line 592) ... ok
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] test src/lib.rs - NibSlice::try_nibble (line 129) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.19s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c341ce462bbfe5972347ec6423423890f91049fe142d3706e83061333253fd62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c341ce462bbfe5972347ec6423423890f91049fe142d3706e83061333253fd62", kill_on_drop: false }`
[INFO] [stdout] c341ce462bbfe5972347ec6423423890f91049fe142d3706e83061333253fd62