[INFO] fetching crate eure-tree 0.0.0...
[INFO] testing eure-tree-0.0.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate eure-tree 0.0.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate eure-tree 0.0.0
[INFO] finished tweaking crates.io crate eure-tree 0.0.0
[INFO] tweaked toml for crates.io crate eure-tree 0.0.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate eure-tree 0.0.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate eure-tree 0.0.0 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64c925f02d6024dfff6637ff4833b31a9700b06afaaae54a38825dfc15f34d04
[INFO] running `Command { std: "docker" "start" "-a" "64c925f02d6024dfff6637ff4833b31a9700b06afaaae54a38825dfc15f34d04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64c925f02d6024dfff6637ff4833b31a9700b06afaaae54a38825dfc15f34d04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64c925f02d6024dfff6637ff4833b31a9700b06afaaae54a38825dfc15f34d04", kill_on_drop: false }`
[INFO] [stdout] 64c925f02d6024dfff6637ff4833b31a9700b06afaaae54a38825dfc15f34d04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 375155aec364024d3f5ff2c33fe9162031d5e7291c3a10a588ff68c16dc65361
[INFO] running `Command { std: "docker" "start" "-a" "375155aec364024d3f5ff2c33fe9162031d5e7291c3a10a588ff68c16dc65361", kill_on_drop: false }`
[INFO] [stderr]    Compiling eure-tree v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "375155aec364024d3f5ff2c33fe9162031d5e7291c3a10a588ff68c16dc65361", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "375155aec364024d3f5ff2c33fe9162031d5e7291c3a10a588ff68c16dc65361", kill_on_drop: false }`
[INFO] [stdout] 375155aec364024d3f5ff2c33fe9162031d5e7291c3a10a588ff68c16dc65361
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef4293fdfe75b118e3c39b3c713062c08fd36e4faf4d0553fcb2c2ef7805a594
[INFO] running `Command { std: "docker" "start" "-a" "ef4293fdfe75b118e3c39b3c713062c08fd36e4faf4d0553fcb2c2ef7805a594", kill_on_drop: false }`
[INFO] [stderr]    Compiling eure-tree v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "ef4293fdfe75b118e3c39b3c713062c08fd36e4faf4d0553fcb2c2ef7805a594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef4293fdfe75b118e3c39b3c713062c08fd36e4faf4d0553fcb2c2ef7805a594", kill_on_drop: false }`
[INFO] [stdout] ef4293fdfe75b118e3c39b3c713062c08fd36e4faf4d0553fcb2c2ef7805a594
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 27fdf7b04a41c8e4ac457cd22be7a9652e6b6b3ea883e0a59daf4d4f344a953e
[INFO] running `Command { std: "docker" "start" "-a" "27fdf7b04a41c8e4ac457cd22be7a9652e6b6b3ea883e0a59daf4d4f344a953e", 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/eure_tree-6ae48268db0d4083)
[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 eure_tree
[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" "27fdf7b04a41c8e4ac457cd22be7a9652e6b6b3ea883e0a59daf4d4f344a953e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27fdf7b04a41c8e4ac457cd22be7a9652e6b6b3ea883e0a59daf4d4f344a953e", kill_on_drop: false }`
[INFO] [stdout] 27fdf7b04a41c8e4ac457cd22be7a9652e6b6b3ea883e0a59daf4d4f344a953e