[INFO] fetching crate immutable-avl 1.0.0...
[INFO] testing immutable-avl-1.0.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate immutable-avl 1.0.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate immutable-avl 1.0.0
[INFO] finished tweaking crates.io crate immutable-avl 1.0.0
[INFO] tweaked toml for crates.io crate immutable-avl 1.0.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate immutable-avl 1.0.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 725a6a89721adfb10de3779930505c94060e0f7650df4b49b96c959c52dfa922
[INFO] running `Command { std: "docker" "start" "-a" "725a6a89721adfb10de3779930505c94060e0f7650df4b49b96c959c52dfa922", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "725a6a89721adfb10de3779930505c94060e0f7650df4b49b96c959c52dfa922", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "725a6a89721adfb10de3779930505c94060e0f7650df4b49b96c959c52dfa922", kill_on_drop: false }`
[INFO] [stdout] 725a6a89721adfb10de3779930505c94060e0f7650df4b49b96c959c52dfa922
[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=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" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b70faedf1538efc59fe9fb4c624118c8304cddc8ae915025424bb497bef09695
[INFO] running `Command { std: "docker" "start" "-a" "b70faedf1538efc59fe9fb4c624118c8304cddc8ae915025424bb497bef09695", kill_on_drop: false }`
[INFO] [stderr]    Compiling immutable-avl v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "b70faedf1538efc59fe9fb4c624118c8304cddc8ae915025424bb497bef09695", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b70faedf1538efc59fe9fb4c624118c8304cddc8ae915025424bb497bef09695", kill_on_drop: false }`
[INFO] [stdout] b70faedf1538efc59fe9fb4c624118c8304cddc8ae915025424bb497bef09695
[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=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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c86b36795388691dab67f807f5e9a780f64ec69ae3f5009eaba5880af8b0e1e
[INFO] running `Command { std: "docker" "start" "-a" "6c86b36795388691dab67f807f5e9a780f64ec69ae3f5009eaba5880af8b0e1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling immutable-avl v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "6c86b36795388691dab67f807f5e9a780f64ec69ae3f5009eaba5880af8b0e1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c86b36795388691dab67f807f5e9a780f64ec69ae3f5009eaba5880af8b0e1e", kill_on_drop: false }`
[INFO] [stdout] 6c86b36795388691dab67f807f5e9a780f64ec69ae3f5009eaba5880af8b0e1e
[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=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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c04ba821c88f69922ffeff5488c1d4a54d56ff5b1a0705fde0a6463e4e193345
[INFO] running `Command { std: "docker" "start" "-a" "c04ba821c88f69922ffeff5488c1d4a54d56ff5b1a0705fde0a6463e4e193345", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/immutable_avl-18368f795901fb97)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test avl::tests::test_tree_node ... ok
[INFO] [stdout] test tests::test ... ok
[INFO] [stdout] test avl::tests::test_avl_tree ... 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]    Doc-tests immutable_avl
[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" "c04ba821c88f69922ffeff5488c1d4a54d56ff5b1a0705fde0a6463e4e193345", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c04ba821c88f69922ffeff5488c1d4a54d56ff5b1a0705fde0a6463e4e193345", kill_on_drop: false }`
[INFO] [stdout] c04ba821c88f69922ffeff5488c1d4a54d56ff5b1a0705fde0a6463e4e193345