[INFO] fetching crate merkle-tree-bulletin-board 0.1.1...
[INFO] testing merkle-tree-bulletin-board-0.1.1 against try#5bc97a20e5cc382ae6d19f727a9e73eeb2734548 for pr-99093
[INFO] extracting crate merkle-tree-bulletin-board 0.1.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate merkle-tree-bulletin-board 0.1.1 on toolchain 5bc97a20e5cc382ae6d19f727a9e73eeb2734548
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5bc97a20e5cc382ae6d19f727a9e73eeb2734548" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate merkle-tree-bulletin-board 0.1.1
[INFO] finished tweaking crates.io crate merkle-tree-bulletin-board 0.1.1
[INFO] tweaked toml for crates.io crate merkle-tree-bulletin-board 0.1.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5bc97a20e5cc382ae6d19f727a9e73eeb2734548" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5bc97a20e5cc382ae6d19f727a9e73eeb2734548" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+5bc97a20e5cc382ae6d19f727a9e73eeb2734548" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fbb0f1cdca66ed3314161b6a4c5b7842160d1a06433bd9da1d8155ad45de378f
[INFO] running `Command { std: "docker" "start" "-a" "fbb0f1cdca66ed3314161b6a4c5b7842160d1a06433bd9da1d8155ad45de378f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fbb0f1cdca66ed3314161b6a4c5b7842160d1a06433bd9da1d8155ad45de378f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbb0f1cdca66ed3314161b6a4c5b7842160d1a06433bd9da1d8155ad45de378f", kill_on_drop: false }`
[INFO] [stdout] fbb0f1cdca66ed3314161b6a4c5b7842160d1a06433bd9da1d8155ad45de378f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+5bc97a20e5cc382ae6d19f727a9e73eeb2734548" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 472df3795a5c1928a896626a5f538053a693a575f83f4bed406e8ee7fba4176d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "472df3795a5c1928a896626a5f538053a693a575f83f4bed406e8ee7fba4176d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling serde_derive v1.0.139
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling serde v1.0.139
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling serde_json v1.0.82
[INFO] [stderr]    Compiling ryu v1.0.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling itoa v1.0.2
[INFO] [stderr]    Compiling cpufeatures v0.2.2
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling either v1.7.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling sha2 v0.9.9
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling merkle-tree-bulletin-board v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.27s
[INFO] running `Command { std: "docker" "inspect" "472df3795a5c1928a896626a5f538053a693a575f83f4bed406e8ee7fba4176d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "472df3795a5c1928a896626a5f538053a693a575f83f4bed406e8ee7fba4176d", kill_on_drop: false }`
[INFO] [stdout] 472df3795a5c1928a896626a5f538053a693a575f83f4bed406e8ee7fba4176d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+5bc97a20e5cc382ae6d19f727a9e73eeb2734548" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bc5eab3462673f9cbb0758b65dc36b5c6c5a50e3dc4164f8a1806dbbdc5ebe8d
[INFO] running `Command { std: "docker" "start" "-a" "bc5eab3462673f9cbb0758b65dc36b5c6c5a50e3dc4164f8a1806dbbdc5ebe8d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling merkle-tree-bulletin-board v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.00s
[INFO] running `Command { std: "docker" "inspect" "bc5eab3462673f9cbb0758b65dc36b5c6c5a50e3dc4164f8a1806dbbdc5ebe8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc5eab3462673f9cbb0758b65dc36b5c6c5a50e3dc4164f8a1806dbbdc5ebe8d", kill_on_drop: false }`
[INFO] [stdout] bc5eab3462673f9cbb0758b65dc36b5c6c5a50e3dc4164f8a1806dbbdc5ebe8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+5bc97a20e5cc382ae6d19f727a9e73eeb2734548" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d400e3cf6be1cb598d7a86a38f4d52b9cb7c91f993d4569f0f6969ea6536f865
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d400e3cf6be1cb598d7a86a38f4d52b9cb7c91f993d4569f0f6969ea6536f865", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/merkle_tree_bulletin_board-7765b50b86774833)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test deduce_journal::tests::test_deduce_root_order ... ok
[INFO] [stdout] test backend_journal::tests::test_rebuild_all_journals ... ok
[INFO] [stderr]    Doc-tests merkle-tree-bulletin-board
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name merkle_tree_bulletin_board --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-06e58bede5a501a4.rlib --extern csv=/opt/rustwide/target/debug/deps/libcsv-f612bf0668a5e566.rlib --extern hex=/opt/rustwide/target/debug/deps/libhex-df8306afd9dee15d.rlib --extern itertools=/opt/rustwide/target/debug/deps/libitertools-9b4dadf9dfdcf5b5.rlib --extern merkle_tree_bulletin_board=/opt/rustwide/target/debug/deps/libmerkle_tree_bulletin_board-504bde4dd6ca7bf5.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-e4de96d51f8e44e8.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-a7d0a3918a922ffe.rlib --extern sha2=/opt/rustwide/target/debug/deps/libsha2-ba8dcc3e08533595.rlib --extern tempdir=/opt/rustwide/target/debug/deps/libtempdir-0293fd44d93f8892.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "d400e3cf6be1cb598d7a86a38f4d52b9cb7c91f993d4569f0f6969ea6536f865", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d400e3cf6be1cb598d7a86a38f4d52b9cb7c91f993d4569f0f6969ea6536f865", kill_on_drop: false }`
[INFO] [stdout] d400e3cf6be1cb598d7a86a38f4d52b9cb7c91f993d4569f0f6969ea6536f865