[INFO] fetching crate leetcode-trees-rs 0.1.149...
[INFO] building leetcode-trees-rs-0.1.149 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate leetcode-trees-rs 0.1.149 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate leetcode-trees-rs 0.1.149
[INFO] finished tweaking crates.io crate leetcode-trees-rs 0.1.149
[INFO] tweaked toml for crates.io crate leetcode-trees-rs 0.1.149 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate leetcode-trees-rs 0.1.149 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 235 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vte v0.14.1
[INFO] [stderr]   Downloaded run_script v0.11.0
[INFO] [stderr]   Downloaded lenient_semver_version_builder v0.4.2
[INFO] [stderr]   Downloaded serde_ignored v0.1.14
[INFO] [stderr]   Downloaded fsio v0.4.1
[INFO] [stderr]   Downloaded ctrlc v3.5.0
[INFO] [stderr]   Downloaded duckscript v0.10.0
[INFO] [stderr]   Downloaded java-properties v2.0.0
[INFO] [stderr]   Downloaded attohttpc v0.28.5
[INFO] [stderr]   Downloaded evalexpr v11.3.1
[INFO] [stderr]   Downloaded suppaftp v6.3.0
[INFO] [stderr]   Downloaded duckscriptsdk v0.11.1
[INFO] [stderr]   Downloaded lenient_semver_parser v0.4.2
[INFO] [stderr]   Downloaded strip-ansi-escapes v0.2.1
[INFO] [stderr]   Downloaded lenient_semver v0.4.2
[INFO] [stderr]   Downloaded shell2batch v0.4.5
[INFO] [stderr]   Downloaded git_info v0.1.3
[INFO] [stderr]   Downloaded ci_info v0.14.14
[INFO] [stderr]   Downloaded rust_info v0.3.3
[INFO] [stderr]   Downloaded cliparser v0.1.2
[INFO] [stderr]   Downloaded envmnt v0.10.4
[INFO] [stderr]   Downloaded cargo-make v0.37.24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c1e9e53a89702780cbfefc0bfd3c9f7b4fb8ff26a85904237bf18a2a14bb6982
[INFO] running `Command { std: "docker" "start" "-a" "c1e9e53a89702780cbfefc0bfd3c9f7b4fb8ff26a85904237bf18a2a14bb6982", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1e9e53a89702780cbfefc0bfd3c9f7b4fb8ff26a85904237bf18a2a14bb6982", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1e9e53a89702780cbfefc0bfd3c9f7b4fb8ff26a85904237bf18a2a14bb6982", kill_on_drop: false }`
[INFO] [stdout] c1e9e53a89702780cbfefc0bfd3c9f7b4fb8ff26a85904237bf18a2a14bb6982
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49bb2842e12a3f25f8a8d3d8e09d3f0c5791cbd075b15e4d7d0c6ebe70035f2a
[INFO] running `Command { std: "docker" "start" "-a" "49bb2842e12a3f25f8a8d3d8e09d3f0c5791cbd075b15e4d7d0c6ebe70035f2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
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[INFO] [stderr]    Compiling toml v0.8.23
[INFO] [stderr]    Compiling cargo-make v0.37.24
[INFO] [stderr]    Compiling leetcode-trees-rs v0.1.149 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 10s
[INFO] running `Command { std: "docker" "inspect" "49bb2842e12a3f25f8a8d3d8e09d3f0c5791cbd075b15e4d7d0c6ebe70035f2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49bb2842e12a3f25f8a8d3d8e09d3f0c5791cbd075b15e4d7d0c6ebe70035f2a", kill_on_drop: false }`
[INFO] [stdout] 49bb2842e12a3f25f8a8d3d8e09d3f0c5791cbd075b15e4d7d0c6ebe70035f2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 895d156831da62731a74397949bdb2349f309345efae91fad072fdb3f3a6f3af
[INFO] running `Command { std: "docker" "start" "-a" "895d156831da62731a74397949bdb2349f309345efae91fad072fdb3f3a6f3af", kill_on_drop: false }`
[INFO] [stderr]    Compiling leetcode-trees-rs v0.1.149 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 18.35s
[INFO] running `Command { std: "docker" "inspect" "895d156831da62731a74397949bdb2349f309345efae91fad072fdb3f3a6f3af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "895d156831da62731a74397949bdb2349f309345efae91fad072fdb3f3a6f3af", kill_on_drop: false }`
[INFO] [stdout] 895d156831da62731a74397949bdb2349f309345efae91fad072fdb3f3a6f3af