[INFO] fetching crate merkle-tree-bulletin-board 0.1.1...
[INFO] testing merkle-tree-bulletin-board-0.1.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate merkle-tree-bulletin-board 0.1.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate merkle-tree-bulletin-board 0.1.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca2d599ae97af942521049c4600756203ca5394e588db3de27abdd4ac90820ea
[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" "ca2d599ae97af942521049c4600756203ca5394e588db3de27abdd4ac90820ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca2d599ae97af942521049c4600756203ca5394e588db3de27abdd4ac90820ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca2d599ae97af942521049c4600756203ca5394e588db3de27abdd4ac90820ea", kill_on_drop: false }`
[INFO] [stdout] ca2d599ae97af942521049c4600756203ca5394e588db3de27abdd4ac90820ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--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] 436d73a9ada03d13764499f7f827e37bfaf07df8f49f4fe0eada2c1a39006e0b
[INFO] running `Command { std: "docker" "start" "-a" "436d73a9ada03d13764499f7f827e37bfaf07df8f49f4fe0eada2c1a39006e0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling merkle-tree-bulletin-board v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.28s
[INFO] running `Command { std: "docker" "inspect" "436d73a9ada03d13764499f7f827e37bfaf07df8f49f4fe0eada2c1a39006e0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "436d73a9ada03d13764499f7f827e37bfaf07df8f49f4fe0eada2c1a39006e0b", kill_on_drop: false }`
[INFO] [stdout] 436d73a9ada03d13764499f7f827e37bfaf07df8f49f4fe0eada2c1a39006e0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] f4583777c045dd0d324fb96c57fa3a7ecbb60bcc1966b8fa92ab8322812a1213
[INFO] running `Command { std: "docker" "start" "-a" "f4583777c045dd0d324fb96c57fa3a7ecbb60bcc1966b8fa92ab8322812a1213", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling merkle-tree-bulletin-board v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.67s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/merkle_tree_bulletin_board-043c157365a6fff4)
[INFO] running `Command { std: "docker" "inspect" "f4583777c045dd0d324fb96c57fa3a7ecbb60bcc1966b8fa92ab8322812a1213", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4583777c045dd0d324fb96c57fa3a7ecbb60bcc1966b8fa92ab8322812a1213", kill_on_drop: false }`
[INFO] [stdout] f4583777c045dd0d324fb96c57fa3a7ecbb60bcc1966b8fa92ab8322812a1213
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", 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] 29eb8b5603cb0bd1a9f991b56c685308d17c6e005cf3719ec5b9d53ba819f179
[INFO] running `Command { std: "docker" "start" "-a" "29eb8b5603cb0bd1a9f991b56c685308d17c6e005cf3719ec5b9d53ba819f179", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/merkle_tree_bulletin_board-043c157365a6fff4)
[INFO] [stdout] running 2 tests
[INFO] [stdout] test deduce_journal::tests::test_deduce_root_order ... ok
[INFO] [stderr]    Doc-tests merkle-tree-bulletin-board
[INFO] [stdout] test backend_journal::tests::test_rebuild_all_journals ... ok
[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-8d913275b3a360fa.rlib --extern csv=/opt/rustwide/target/debug/deps/libcsv-9dbdf0a6d440f2d1.rlib --extern hex=/opt/rustwide/target/debug/deps/libhex-edafc8b2917f78c9.rlib --extern itertools=/opt/rustwide/target/debug/deps/libitertools-45c62fce4e631d3b.rlib --extern merkle_tree_bulletin_board=/opt/rustwide/target/debug/deps/libmerkle_tree_bulletin_board-3aa46f8414e829ef.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-65289ce287f78407.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-4ade658f2addbdd9.rlib --extern sha2=/opt/rustwide/target/debug/deps/libsha2-48f8b5d34510c211.rlib --extern tempdir=/opt/rustwide/target/debug/deps/libtempdir-7065dda65f76931e.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "29eb8b5603cb0bd1a9f991b56c685308d17c6e005cf3719ec5b9d53ba819f179", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29eb8b5603cb0bd1a9f991b56c685308d17c6e005cf3719ec5b9d53ba819f179", kill_on_drop: false }`
[INFO] [stdout] 29eb8b5603cb0bd1a9f991b56c685308d17c6e005cf3719ec5b9d53ba819f179