[INFO] fetching crate slices 0.2.0...
[INFO] testing slices-0.2.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate slices 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate slices 0.2.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slices 0.2.0
[INFO] finished tweaking crates.io crate slices 0.2.0
[INFO] tweaked toml for crates.io crate slices 0.2.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded faster-hex v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8e382db70bdb2d65c8f2981ae08b663ffe7e57964ed0794faf5e1153c15b6ec2
[INFO] running `Command { std: "docker" "start" "-a" "8e382db70bdb2d65c8f2981ae08b663ffe7e57964ed0794faf5e1153c15b6ec2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e382db70bdb2d65c8f2981ae08b663ffe7e57964ed0794faf5e1153c15b6ec2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e382db70bdb2d65c8f2981ae08b663ffe7e57964ed0794faf5e1153c15b6ec2", kill_on_drop: false }`
[INFO] [stdout] 8e382db70bdb2d65c8f2981ae08b663ffe7e57964ed0794faf5e1153c15b6ec2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c3613725f57859b6a943b78e0be0adc8e4943079100d41ac63fa92c39b7a2c76
[INFO] running `Command { std: "docker" "start" "-a" "c3613725f57859b6a943b78e0be0adc8e4943079100d41ac63fa92c39b7a2c76", kill_on_drop: false }`
[INFO] [stderr]    Compiling faster-hex v0.6.1
[INFO] [stderr]    Compiling slices v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.43s
[INFO] running `Command { std: "docker" "inspect" "c3613725f57859b6a943b78e0be0adc8e4943079100d41ac63fa92c39b7a2c76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3613725f57859b6a943b78e0be0adc8e4943079100d41ac63fa92c39b7a2c76", kill_on_drop: false }`
[INFO] [stdout] c3613725f57859b6a943b78e0be0adc8e4943079100d41ac63fa92c39b7a2c76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5885df412bf68744aa5cc6aee76f18a462310a93f7cea094e53214145d459fc8
[INFO] running `Command { std: "docker" "start" "-a" "5885df412bf68744aa5cc6aee76f18a462310a93f7cea094e53214145d459fc8", kill_on_drop: false }`
[INFO] [stderr]    Compiling slices v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "5885df412bf68744aa5cc6aee76f18a462310a93f7cea094e53214145d459fc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5885df412bf68744aa5cc6aee76f18a462310a93f7cea094e53214145d459fc8", kill_on_drop: false }`
[INFO] [stdout] 5885df412bf68744aa5cc6aee76f18a462310a93f7cea094e53214145d459fc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 17828c177798920f4a2ff62945c8d06d793692dbe732f39d6883b3c356970d41
[INFO] running `Command { std: "docker" "start" "-a" "17828c177798920f4a2ff62945c8d06d793692dbe732f39d6883b3c356970d41", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/slices-fc58ac142df5be23)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests slices
[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 1 test
[INFO] [stdout] test src/lib.rs - (line 20) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.54s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "17828c177798920f4a2ff62945c8d06d793692dbe732f39d6883b3c356970d41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17828c177798920f4a2ff62945c8d06d793692dbe732f39d6883b3c356970d41", kill_on_drop: false }`
[INFO] [stdout] 17828c177798920f4a2ff62945c8d06d793692dbe732f39d6883b3c356970d41