[INFO] cloning repository https://github.com/stevenmsl/rust_unique_bst_96
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stevenmsl/rust_unique_bst_96" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevenmsl%2Frust_unique_bst_96", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevenmsl%2Frust_unique_bst_96'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6240603cdb04d87f3fc5568d89ef8c5d325a3bcd
[INFO] testing stevenmsl/rust_unique_bst_96 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevenmsl%2Frust_unique_bst_96" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/stevenmsl/rust_unique_bst_96
[INFO] finished tweaking git repo https://github.com/stevenmsl/rust_unique_bst_96
[INFO] tweaked toml for git repo https://github.com/stevenmsl/rust_unique_bst_96 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/stevenmsl/rust_unique_bst_96 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/stevenmsl/rust_unique_bst_96 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1216e2eb5284c28ac7d0f88552c875c797bc18f01735b45e0fdb0af0031c02bd
[INFO] running `Command { std: "docker" "start" "-a" "1216e2eb5284c28ac7d0f88552c875c797bc18f01735b45e0fdb0af0031c02bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1216e2eb5284c28ac7d0f88552c875c797bc18f01735b45e0fdb0af0031c02bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1216e2eb5284c28ac7d0f88552c875c797bc18f01735b45e0fdb0af0031c02bd", kill_on_drop: false }`
[INFO] [stdout] 1216e2eb5284c28ac7d0f88552c875c797bc18f01735b45e0fdb0af0031c02bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a569685d50b2ecdb95e729ad2dfe5401a1b5564ba6946b9dc00e75b61c90fa90
[INFO] running `Command { std: "docker" "start" "-a" "a569685d50b2ecdb95e729ad2dfe5401a1b5564ba6946b9dc00e75b61c90fa90", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_unique_bst_96 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "a569685d50b2ecdb95e729ad2dfe5401a1b5564ba6946b9dc00e75b61c90fa90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a569685d50b2ecdb95e729ad2dfe5401a1b5564ba6946b9dc00e75b61c90fa90", kill_on_drop: false }`
[INFO] [stdout] a569685d50b2ecdb95e729ad2dfe5401a1b5564ba6946b9dc00e75b61c90fa90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d6889df538a50c52ddf9c9018596491561a5db5d875f244b9e3ba2610fee25d
[INFO] running `Command { std: "docker" "start" "-a" "2d6889df538a50c52ddf9c9018596491561a5db5d875f244b9e3ba2610fee25d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_unique_bst_96 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "2d6889df538a50c52ddf9c9018596491561a5db5d875f244b9e3ba2610fee25d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d6889df538a50c52ddf9c9018596491561a5db5d875f244b9e3ba2610fee25d", kill_on_drop: false }`
[INFO] [stdout] 2d6889df538a50c52ddf9c9018596491561a5db5d875f244b9e3ba2610fee25d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1ad54a4897d17e889f29c6301f3a77e4c7292cddb70c8ce206124b20624b90cb
[INFO] running `Command { std: "docker" "start" "-a" "1ad54a4897d17e889f29c6301f3a77e4c7292cddb70c8ce206124b20624b90cb", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_unique_bst_96-4f95184293ac78dc)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::sample_1 ... ok
[INFO] [stdout] test tests::sample_3 ... ok
[INFO] [stdout] test tests::sample_2 ... 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]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_unique_bst_96-0c6b160fbfa51bd4)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust_unique_bst_96
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1ad54a4897d17e889f29c6301f3a77e4c7292cddb70c8ce206124b20624b90cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ad54a4897d17e889f29c6301f3a77e4c7292cddb70c8ce206124b20624b90cb", kill_on_drop: false }`
[INFO] [stdout] 1ad54a4897d17e889f29c6301f3a77e4c7292cddb70c8ce206124b20624b90cb