[INFO] fetching crate leetcode_prelude 0.2.3...
[INFO] testing leetcode_prelude-0.2.3 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate leetcode_prelude 0.2.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate leetcode_prelude 0.2.3 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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] 5f9e9abf8aeb7c5b191bd26fc98459b47873fa3a4bce7e92e2d161df335ff200
[INFO] running `Command { std: "docker" "start" "-a" "5f9e9abf8aeb7c5b191bd26fc98459b47873fa3a4bce7e92e2d161df335ff200", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f9e9abf8aeb7c5b191bd26fc98459b47873fa3a4bce7e92e2d161df335ff200", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f9e9abf8aeb7c5b191bd26fc98459b47873fa3a4bce7e92e2d161df335ff200", kill_on_drop: false }`
[INFO] [stdout] 5f9e9abf8aeb7c5b191bd26fc98459b47873fa3a4bce7e92e2d161df335ff200
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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] 355d8f06253163a09e7e468294552929bbc0e964ce6a4020a45130bdbb9a56fe
[INFO] running `Command { std: "docker" "start" "-a" "355d8f06253163a09e7e468294552929bbc0e964ce6a4020a45130bdbb9a56fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.66
[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 4.57s
[INFO] running `Command { std: "docker" "inspect" "355d8f06253163a09e7e468294552929bbc0e964ce6a4020a45130bdbb9a56fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "355d8f06253163a09e7e468294552929bbc0e964ce6a4020a45130bdbb9a56fe", kill_on_drop: false }`
[INFO] [stdout] 355d8f06253163a09e7e468294552929bbc0e964ce6a4020a45130bdbb9a56fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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] c87b1a983c8d621d3664b33c16492c56254b2d920898056700b5098a396a585c
[INFO] running `Command { std: "docker" "start" "-a" "c87b1a983c8d621d3664b33c16492c56254b2d920898056700b5098a396a585c", kill_on_drop: false }`
[INFO] [stderr]    Compiling leetcode_prelude v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "c87b1a983c8d621d3664b33c16492c56254b2d920898056700b5098a396a585c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c87b1a983c8d621d3664b33c16492c56254b2d920898056700b5098a396a585c", kill_on_drop: false }`
[INFO] [stdout] c87b1a983c8d621d3664b33c16492c56254b2d920898056700b5098a396a585c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b761bbf520a838b4f0a3704bcce55d2a2b12e6da1ce8e219e9651e25ee0f34bb
[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" "b761bbf520a838b4f0a3704bcce55d2a2b12e6da1ce8e219e9651e25ee0f34bb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/leetcode_prelude-b9175b21b2f67d25)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test btree::tests::test ... ok
[INFO] [stdout] test tests::test_vec_string ... ok
[INFO] [stdout] test tests::assert_eq_sorted ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests leetcode_prelude
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/linkedlist.rs - linkedlist (line 38) ... ok
[INFO] [stdout] test src/btree.rs - btree (line 32) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.83s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b761bbf520a838b4f0a3704bcce55d2a2b12e6da1ce8e219e9651e25ee0f34bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b761bbf520a838b4f0a3704bcce55d2a2b12e6da1ce8e219e9651e25ee0f34bb", kill_on_drop: false }`
[INFO] [stdout] b761bbf520a838b4f0a3704bcce55d2a2b12e6da1ce8e219e9651e25ee0f34bb