[INFO] fetching crate leetcode_prelude 0.2.3...
[INFO] testing leetcode_prelude-0.2.3 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate leetcode_prelude 0.2.3 into /workspace/builds/worker-28/source
[INFO] validating manifest of crates.io crate leetcode_prelude 0.2.3 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-28/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d742785b8d2379b6ce4496913c96b79e43fe67936e971b034a1fd604f6d58b00
[INFO] running `Command { std: "docker" "start" "-a" "d742785b8d2379b6ce4496913c96b79e43fe67936e971b034a1fd604f6d58b00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d742785b8d2379b6ce4496913c96b79e43fe67936e971b034a1fd604f6d58b00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d742785b8d2379b6ce4496913c96b79e43fe67936e971b034a1fd604f6d58b00", kill_on_drop: false }`
[INFO] [stdout] d742785b8d2379b6ce4496913c96b79e43fe67936e971b034a1fd604f6d58b00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b11d72d438a110d7ef7b0967097c64e7ba6d51ed351d3d8ef2cf667b4aed83d
[INFO] running `Command { std: "docker" "start" "-a" "0b11d72d438a110d7ef7b0967097c64e7ba6d51ed351d3d8ef2cf667b4aed83d", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling itoa v0.4.7
[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 7.65s
[INFO] running `Command { std: "docker" "inspect" "0b11d72d438a110d7ef7b0967097c64e7ba6d51ed351d3d8ef2cf667b4aed83d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b11d72d438a110d7ef7b0967097c64e7ba6d51ed351d3d8ef2cf667b4aed83d", kill_on_drop: false }`
[INFO] [stdout] 0b11d72d438a110d7ef7b0967097c64e7ba6d51ed351d3d8ef2cf667b4aed83d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f766dceed861cc1c480d0ce9e6687ca0fcfbe3a9f91c63b79b863cf2b92cd7b
[INFO] running `Command { std: "docker" "start" "-a" "8f766dceed861cc1c480d0ce9e6687ca0fcfbe3a9f91c63b79b863cf2b92cd7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling leetcode_prelude v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "8f766dceed861cc1c480d0ce9e6687ca0fcfbe3a9f91c63b79b863cf2b92cd7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f766dceed861cc1c480d0ce9e6687ca0fcfbe3a9f91c63b79b863cf2b92cd7b", kill_on_drop: false }`
[INFO] [stdout] 8f766dceed861cc1c480d0ce9e6687ca0fcfbe3a9f91c63b79b863cf2b92cd7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] acfa015e63395785edf89ddf2cfb4ab08c041f455c97cbfd4639289b6691ac04
[INFO] running `Command { std: "docker" "start" "-a" "acfa015e63395785edf89ddf2cfb4ab08c041f455c97cbfd4639289b6691ac04", 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-b22ca4383ddf936a)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test btree::tests::test ... ok
[INFO] [stdout] test tests::assert_eq_sorted ... ok
[INFO] [stderr]    Doc-tests leetcode_prelude
[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 (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 0.45s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "acfa015e63395785edf89ddf2cfb4ab08c041f455c97cbfd4639289b6691ac04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acfa015e63395785edf89ddf2cfb4ab08c041f455c97cbfd4639289b6691ac04", kill_on_drop: false }`
[INFO] [stdout] acfa015e63395785edf89ddf2cfb4ab08c041f455c97cbfd4639289b6691ac04
