[INFO] fetching crate tree-collection 0.1.0...
[INFO] testing tree-collection-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate tree-collection 0.1.0 into /workspace/builds/worker-88/source
[INFO] validating manifest of crates.io crate tree-collection 0.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tree-collection 0.1.0
[INFO] finished tweaking crates.io crate tree-collection 0.1.0
[INFO] tweaked toml for crates.io crate tree-collection 0.1.0 written to /workspace/builds/worker-88/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3bb51ef4385bca47844f0d4c05929591b8cdb9f59e20d6a3a0726923285f63f9
[INFO] running `Command { std: "docker" "start" "-a" "3bb51ef4385bca47844f0d4c05929591b8cdb9f59e20d6a3a0726923285f63f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3bb51ef4385bca47844f0d4c05929591b8cdb9f59e20d6a3a0726923285f63f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bb51ef4385bca47844f0d4c05929591b8cdb9f59e20d6a3a0726923285f63f9", kill_on_drop: false }`
[INFO] [stdout] 3bb51ef4385bca47844f0d4c05929591b8cdb9f59e20d6a3a0726923285f63f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e164887e0d9ba2b0a22bc10a30948c778130e806655dd17be46517e5744e1bd5
[INFO] running `Command { std: "docker" "start" "-a" "e164887e0d9ba2b0a22bc10a30948c778130e806655dd17be46517e5744e1bd5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tree-collection v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "e164887e0d9ba2b0a22bc10a30948c778130e806655dd17be46517e5744e1bd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e164887e0d9ba2b0a22bc10a30948c778130e806655dd17be46517e5744e1bd5", kill_on_drop: false }`
[INFO] [stdout] e164887e0d9ba2b0a22bc10a30948c778130e806655dd17be46517e5744e1bd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59ee539acdcd9dae896e2a969d4f569fae2a72c853957aa1c4e9bcd1cefe891d
[INFO] running `Command { std: "docker" "start" "-a" "59ee539acdcd9dae896e2a969d4f569fae2a72c853957aa1c4e9bcd1cefe891d", kill_on_drop: false }`
[INFO] [stderr]    Compiling tree-collection v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "59ee539acdcd9dae896e2a969d4f569fae2a72c853957aa1c4e9bcd1cefe891d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59ee539acdcd9dae896e2a969d4f569fae2a72c853957aa1c4e9bcd1cefe891d", kill_on_drop: false }`
[INFO] [stdout] 59ee539acdcd9dae896e2a969d4f569fae2a72c853957aa1c4e9bcd1cefe891d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 90091099068db591321d652ee16a0afcde95ed1f87d43cf6b03535bf525bf23c
[INFO] running `Command { std: "docker" "start" "-a" "90091099068db591321d652ee16a0afcde95ed1f87d43cf6b03535bf525bf23c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tree_collection-7cd4c57b53ad7880)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests tree-collection
[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] [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" "90091099068db591321d652ee16a0afcde95ed1f87d43cf6b03535bf525bf23c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90091099068db591321d652ee16a0afcde95ed1f87d43cf6b03535bf525bf23c", kill_on_drop: false }`
[INFO] [stdout] 90091099068db591321d652ee16a0afcde95ed1f87d43cf6b03535bf525bf23c