[INFO] fetching crate incrementalmerkletree 0.3.0-beta.2...
[INFO] testing incrementalmerkletree-0.3.0-beta.2 against master#61469b682c2b0bf9cebc4622f1859e2bb3b7ebca for pr-91743
[INFO] extracting crate incrementalmerkletree 0.3.0-beta.2 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate incrementalmerkletree 0.3.0-beta.2 on toolchain 61469b682c2b0bf9cebc4622f1859e2bb3b7ebca
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate incrementalmerkletree 0.3.0-beta.2
[INFO] finished tweaking crates.io crate incrementalmerkletree 0.3.0-beta.2
[INFO] tweaked toml for crates.io crate incrementalmerkletree 0.3.0-beta.2 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 746be8a9f65d59abc09e9e5bffa67c9c16b7fc05bda520b90a47bd2b38d33851
[INFO] running `Command { std: "docker" "start" "-a" "746be8a9f65d59abc09e9e5bffa67c9c16b7fc05bda520b90a47bd2b38d33851", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "746be8a9f65d59abc09e9e5bffa67c9c16b7fc05bda520b90a47bd2b38d33851", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "746be8a9f65d59abc09e9e5bffa67c9c16b7fc05bda520b90a47bd2b38d33851", kill_on_drop: false }`
[INFO] [stdout] 746be8a9f65d59abc09e9e5bffa67c9c16b7fc05bda520b90a47bd2b38d33851
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9de9d47c351cf43db159663181cf78f70cbf4568467c7833b2845896d2edf63b
[INFO] running `Command { std: "docker" "start" "-a" "9de9d47c351cf43db159663181cf78f70cbf4568467c7833b2845896d2edf63b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling incrementalmerkletree v0.3.0-beta.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.35s
[INFO] running `Command { std: "docker" "inspect" "9de9d47c351cf43db159663181cf78f70cbf4568467c7833b2845896d2edf63b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9de9d47c351cf43db159663181cf78f70cbf4568467c7833b2845896d2edf63b", kill_on_drop: false }`
[INFO] [stdout] 9de9d47c351cf43db159663181cf78f70cbf4568467c7833b2845896d2edf63b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b599c584be000b651b40a4fa54c1ca1be104640ace38ac5c905874199f49d833
[INFO] running `Command { std: "docker" "start" "-a" "b599c584be000b651b40a4fa54c1ca1be104640ace38ac5c905874199f49d833", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling quick-error v2.0.1
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rusty-fork v0.3.0
[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 proptest v1.0.0
[INFO] [stderr]    Compiling incrementalmerkletree v0.3.0-beta.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.23s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/incrementalmerkletree-3ad038a159119852)
[INFO] running `Command { std: "docker" "inspect" "b599c584be000b651b40a4fa54c1ca1be104640ace38ac5c905874199f49d833", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b599c584be000b651b40a4fa54c1ca1be104640ace38ac5c905874199f49d833", kill_on_drop: false }`
[INFO] [stdout] b599c584be000b651b40a4fa54c1ca1be104640ace38ac5c905874199f49d833
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 54e03a55dff7404ce986ab391b1d27f13f8755a45e0fdf908f64ab8df5df64c4
[INFO] running `Command { std: "docker" "start" "-a" "54e03a55dff7404ce986ab391b1d27f13f8755a45e0fdf908f64ab8df5df64c4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/incrementalmerkletree-3ad038a159119852)
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test bridgetree::tests::auth_paths ... ok
[INFO] [stdout] test bridgetree::tests::bridge_root_hashes ... ok
[INFO] [stdout] test bridgetree::tests::checkpoint_rewind ... ok
[INFO] [stdout] test bridgetree::tests::frontier_from_parts ... ok
[INFO] [stdout] test bridgetree::tests::drop_oldest_checkpoint ... ok
[INFO] [stdout] test bridgetree::tests::garbage_collect_idx ... ok
[INFO] [stdout] test sample::tests::correct_root ... ok
[INFO] [stdout] test sample::tests::auth_paths ... ok
[INFO] [stdout] test sample::tests::correct_auth_path ... ok
[INFO] [stdout] test bridgetree::tests::tree_depth ... ok
[INFO] [stdout] test sample::tests::rewind_remove_witness ... ok
[INFO] [stdout] test bridgetree::tests::root_hashes ... ok
[INFO] [stdout] test sample::tests::correct_empty_root ... ok
[INFO] [stdout] test sample::tests::root_hashes ... ok
[INFO] [stdout] test bridgetree::tests::rewind_remove_witness ... ok
[INFO] [stdout] test tests::test_compute_root_from_auth_path ... ok
[INFO] [stdout] test sample::tests::checkpoint_rewind ... ok
[INFO] [stdout] test tests::position_altitudes ... ok
[INFO] [stdout] test bridgetree::tests::garbage_collect ... ok
[INFO] [stdout] test bridgetree::tests::bridgetree_from_parts ... ok
[INFO] [stdout] test bridgetree::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" "54e03a55dff7404ce986ab391b1d27f13f8755a45e0fdf908f64ab8df5df64c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54e03a55dff7404ce986ab391b1d27f13f8755a45e0fdf908f64ab8df5df64c4", kill_on_drop: false }`
[INFO] [stdout] 54e03a55dff7404ce986ab391b1d27f13f8755a45e0fdf908f64ab8df5df64c4