[INFO] fetching crate leetcode_prelude 0.2.3...
[INFO] testing leetcode_prelude-0.2.3 against 1.59.0 for beta-1.60-1
[INFO] extracting crate leetcode_prelude 0.2.3 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate leetcode_prelude 0.2.3 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate leetcode_prelude 0.2.3
[INFO] finished tweaking crates.io crate leetcode_prelude 0.2.3
[INFO] tweaked toml for crates.io crate leetcode_prelude 0.2.3 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff11d507d6fd36f901a1d721594552c6b8ae9e783a57948fcbeeb6638e6b6317
[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" "ff11d507d6fd36f901a1d721594552c6b8ae9e783a57948fcbeeb6638e6b6317", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff11d507d6fd36f901a1d721594552c6b8ae9e783a57948fcbeeb6638e6b6317", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff11d507d6fd36f901a1d721594552c6b8ae9e783a57948fcbeeb6638e6b6317", kill_on_drop: false }`
[INFO] [stdout] ff11d507d6fd36f901a1d721594552c6b8ae9e783a57948fcbeeb6638e6b6317
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c318e46c3c0ab86ec6b226a289af38b6d43e9ecdfbc467be86a60ac310536e82
[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" "c318e46c3c0ab86ec6b226a289af38b6d43e9ecdfbc467be86a60ac310536e82", kill_on_drop: false }`
[INFO] [stderr]    Compiling leetcode_test v0.1.2
[INFO] [stderr]    Compiling leetcode_prelude v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.55s
[INFO] running `Command { std: "docker" "inspect" "c318e46c3c0ab86ec6b226a289af38b6d43e9ecdfbc467be86a60ac310536e82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c318e46c3c0ab86ec6b226a289af38b6d43e9ecdfbc467be86a60ac310536e82", kill_on_drop: false }`
[INFO] [stdout] c318e46c3c0ab86ec6b226a289af38b6d43e9ecdfbc467be86a60ac310536e82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d361edb64de7dd103a69b0578127137d9aaac841b4e6b2153c94d647cb6820e
[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" "1d361edb64de7dd103a69b0578127137d9aaac841b4e6b2153c94d647cb6820e", kill_on_drop: false }`
[INFO] [stderr]    Compiling leetcode_prelude v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "1d361edb64de7dd103a69b0578127137d9aaac841b4e6b2153c94d647cb6820e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d361edb64de7dd103a69b0578127137d9aaac841b4e6b2153c94d647cb6820e", kill_on_drop: false }`
[INFO] [stdout] 1d361edb64de7dd103a69b0578127137d9aaac841b4e6b2153c94d647cb6820e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dfb5d5bdcb3e8604194f40ce8d7ed8ec7c90f179a87ea31122d39e8ee68b9212
[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" "dfb5d5bdcb3e8604194f40ce8d7ed8ec7c90f179a87ea31122d39e8ee68b9212", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/leetcode_prelude-4be8bfcfa66d4ceb)
[INFO] [stdout] running 3 tests
[INFO] [stderr]    Doc-tests leetcode_prelude
[INFO] [stdout] test btree::tests::test ... ok
[INFO] [stdout] test tests::assert_eq_sorted ... ok
[INFO] [stdout] test tests::test_vec_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/linkedlist.rs - linkedlist::linkedlist (line 38) ... ok
[INFO] [stdout] test src/btree.rs - btree::btree (line 32) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.90s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dfb5d5bdcb3e8604194f40ce8d7ed8ec7c90f179a87ea31122d39e8ee68b9212", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfb5d5bdcb3e8604194f40ce8d7ed8ec7c90f179a87ea31122d39e8ee68b9212", kill_on_drop: false }`
[INFO] [stdout] dfb5d5bdcb3e8604194f40ce8d7ed8ec7c90f179a87ea31122d39e8ee68b9212