[INFO] fetching crate bridgetree 0.3.0...
[INFO] testing bridgetree-0.3.0 against try#ecd7b559f89c73ac8f1d318f7501006f37b944b2 for pr-112849
[INFO] extracting crate bridgetree 0.3.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate bridgetree 0.3.0 on toolchain ecd7b559f89c73ac8f1d318f7501006f37b944b2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ecd7b559f89c73ac8f1d318f7501006f37b944b2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bridgetree 0.3.0
[INFO] finished tweaking crates.io crate bridgetree 0.3.0
[INFO] tweaked toml for crates.io crate bridgetree 0.3.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ecd7b559f89c73ac8f1d318f7501006f37b944b2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ecd7b559f89c73ac8f1d318f7501006f37b944b2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+ecd7b559f89c73ac8f1d318f7501006f37b944b2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b8493ca4614e855609b04d99672eac63c629f5d9f5811088be1302aac96292c
[INFO] running `Command { std: "docker" "start" "-a" "9b8493ca4614e855609b04d99672eac63c629f5d9f5811088be1302aac96292c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b8493ca4614e855609b04d99672eac63c629f5d9f5811088be1302aac96292c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b8493ca4614e855609b04d99672eac63c629f5d9f5811088be1302aac96292c", kill_on_drop: false }`
[INFO] [stdout] 9b8493ca4614e855609b04d99672eac63c629f5d9f5811088be1302aac96292c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+ecd7b559f89c73ac8f1d318f7501006f37b944b2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 143250b13968807887467a046552491ac0577caf26f8e7689502b7db29758c9a
[INFO] running `Command { std: "docker" "start" "-a" "143250b13968807887467a046552491ac0577caf26f8e7689502b7db29758c9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling incrementalmerkletree v0.4.0
[INFO] [stderr]    Compiling bridgetree v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "143250b13968807887467a046552491ac0577caf26f8e7689502b7db29758c9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "143250b13968807887467a046552491ac0577caf26f8e7689502b7db29758c9a", kill_on_drop: false }`
[INFO] [stdout] 143250b13968807887467a046552491ac0577caf26f8e7689502b7db29758c9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+ecd7b559f89c73ac8f1d318f7501006f37b944b2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6912ace570270aac06bcaa381770187295adba9488323a057ece4e376e3fd1ed
[INFO] running `Command { std: "docker" "start" "-a" "6912ace570270aac06bcaa381770187295adba9488323a057ece4e376e3fd1ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling rustix v0.37.20
[INFO] [stderr]    Compiling libm v0.2.7
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling tempfile v3.6.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling unarray v0.1.4
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_xorshift v0.3.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling proptest v1.2.0
[INFO] [stderr]    Compiling incrementalmerkletree v0.4.0
[INFO] [stderr]    Compiling bridgetree v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 25.70s
[INFO] running `Command { std: "docker" "inspect" "6912ace570270aac06bcaa381770187295adba9488323a057ece4e376e3fd1ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6912ace570270aac06bcaa381770187295adba9488323a057ece4e376e3fd1ed", kill_on_drop: false }`
[INFO] [stdout] 6912ace570270aac06bcaa381770187295adba9488323a057ece4e376e3fd1ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+ecd7b559f89c73ac8f1d318f7501006f37b944b2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e83f0db73f32c54189e11ed321d2905e2746b71ffa83b1b9a96463d58a95edd4
[INFO] running `Command { std: "docker" "start" "-a" "e83f0db73f32c54189e11ed321d2905e2746b71ffa83b1b9a96463d58a95edd4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/bridgetree-d43feef63c90ebb1)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test tests::checkpoint_rewind ... ok
[INFO] [stdout] test tests::garbage_collect ... ok
[INFO] [stdout] test tests::combined_remove_mark ... ok
[INFO] [stdout] test tests::combined_rewind_remove_mark ... ok
[INFO] [stdout] test tests::rewind_remove_mark ... ok
[INFO] [stdout] test tests::tree_depth ... ok
[INFO] [stdout] test tests::root_hashes ... ok
[INFO] [stdout] test tests::witness ... ok
[INFO] [stdout] test tests::bridgetree_from_parts ... ok
[INFO] [stdout] test tests::prop_garbage_collect ... ok
[INFO] [stdout] test tests::check_randomized_str_ops has been running for over 60 seconds
[INFO] [stdout] test tests::check_randomized_u64_ops has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "e83f0db73f32c54189e11ed321d2905e2746b71ffa83b1b9a96463d58a95edd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e83f0db73f32c54189e11ed321d2905e2746b71ffa83b1b9a96463d58a95edd4", kill_on_drop: false }`
[INFO] [stdout] e83f0db73f32c54189e11ed321d2905e2746b71ffa83b1b9a96463d58a95edd4