[INFO] cloning repository https://github.com/mosbasik/CtCI-6th-Edition-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mosbasik/CtCI-6th-Edition-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmosbasik%2FCtCI-6th-Edition-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmosbasik%2FCtCI-6th-Edition-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f7de2da54634d871fa8b0640e9e5c4473b96a858
[INFO] testing mosbasik/CtCI-6th-Edition-Rust against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmosbasik%2FCtCI-6th-Edition-Rust" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mosbasik/CtCI-6th-Edition-Rust on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mosbasik/CtCI-6th-Edition-Rust
[INFO] finished tweaking git repo https://github.com/mosbasik/CtCI-6th-Edition-Rust
[INFO] tweaked toml for git repo https://github.com/mosbasik/CtCI-6th-Edition-Rust written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/mosbasik/CtCI-6th-Edition-Rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4d283007004b5c3134c0893bda0e1dfe0317bc197bb5e53dd2ba106f5c2cc26
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a4d283007004b5c3134c0893bda0e1dfe0317bc197bb5e53dd2ba106f5c2cc26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4d283007004b5c3134c0893bda0e1dfe0317bc197bb5e53dd2ba106f5c2cc26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4d283007004b5c3134c0893bda0e1dfe0317bc197bb5e53dd2ba106f5c2cc26", kill_on_drop: false }`
[INFO] [stdout] a4d283007004b5c3134c0893bda0e1dfe0317bc197bb5e53dd2ba106f5c2cc26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d39b490a07c4dbf134ce738545bb40751146936fbbb3dd926e94380094eb3fa2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d39b490a07c4dbf134ce738545bb40751146936fbbb3dd926e94380094eb3fa2", kill_on_drop: false }`
[INFO] [stderr]    Compiling ctci_6th_edition_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "d39b490a07c4dbf134ce738545bb40751146936fbbb3dd926e94380094eb3fa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d39b490a07c4dbf134ce738545bb40751146936fbbb3dd926e94380094eb3fa2", kill_on_drop: false }`
[INFO] [stdout] d39b490a07c4dbf134ce738545bb40751146936fbbb3dd926e94380094eb3fa2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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] 6a570de79bd26b0c7d4693313998a72341aebfafbf4680b50cc28c60ca9a29f2
[INFO] running `Command { std: "docker" "start" "-a" "6a570de79bd26b0c7d4693313998a72341aebfafbf4680b50cc28c60ca9a29f2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ctci_6th_edition_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.81s
[INFO] running `Command { std: "docker" "inspect" "6a570de79bd26b0c7d4693313998a72341aebfafbf4680b50cc28c60ca9a29f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a570de79bd26b0c7d4693313998a72341aebfafbf4680b50cc28c60ca9a29f2", kill_on_drop: false }`
[INFO] [stdout] 6a570de79bd26b0c7d4693313998a72341aebfafbf4680b50cc28c60ca9a29f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fcd44a1b933c9b96bc2fdab5d87dc1174137476724509cf0a2f9e2645e845ea2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fcd44a1b933c9b96bc2fdab5d87dc1174137476724509cf0a2f9e2645e845ea2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ctci_6th_edition_rust-3a1ffe5a9c37daab
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test ch_01_arrays_and_strings::q_01_is_unique::tests::test_2_true ... ok
[INFO] [stdout] test ch_01_arrays_and_strings::q_01_is_unique::tests::test_2_false ... ok
[INFO] [stdout] test ch_01_arrays_and_strings::q_02_check_permutation::tests::test_1_false ... ok
[INFO] [stdout] test ch_01_arrays_and_strings::q_01_is_unique::tests::test_1_false ... ok
[INFO] [stdout] test ch_01_arrays_and_strings::q_02_check_permutation::tests::test_2_false ... ok
[INFO] [stdout] test ch_01_arrays_and_strings::q_01_is_unique::tests::test_1_true ... ok
[INFO] [stdout] test ch_01_arrays_and_strings::q_02_check_permutation::tests::test_1_true ... ok
[INFO] [stdout] test ch_01_arrays_and_strings::q_03_urlify::tests::test_example ... ok
[INFO] [stderr]    Doc-tests ctci_6th_edition_rust
[INFO] [stdout] test ch_01_arrays_and_strings::q_03_urlify::tests::test_excess_trailing_spaces ... ok
[INFO] [stdout] test ch_01_arrays_and_strings::q_02_check_permutation::tests::test_2_true ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fcd44a1b933c9b96bc2fdab5d87dc1174137476724509cf0a2f9e2645e845ea2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcd44a1b933c9b96bc2fdab5d87dc1174137476724509cf0a2f9e2645e845ea2", kill_on_drop: false }`
[INFO] [stdout] fcd44a1b933c9b96bc2fdab5d87dc1174137476724509cf0a2f9e2645e845ea2