[INFO] fetching crate merkle-log 0.0.3...
[INFO] checking merkle-log-0.0.3 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] extracting crate merkle-log 0.0.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate merkle-log 0.0.3 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate merkle-log 0.0.3
[INFO] finished tweaking crates.io crate merkle-log 0.0.3
[INFO] tweaked toml for crates.io crate merkle-log 0.0.3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86b3a8561ec254dc73273478bc155358c9f90e6f41520a69b667ab6b364e7442
[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" "86b3a8561ec254dc73273478bc155358c9f90e6f41520a69b667ab6b364e7442", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86b3a8561ec254dc73273478bc155358c9f90e6f41520a69b667ab6b364e7442", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86b3a8561ec254dc73273478bc155358c9f90e6f41520a69b667ab6b364e7442", kill_on_drop: false }`
[INFO] [stdout] 86b3a8561ec254dc73273478bc155358c9f90e6f41520a69b667ab6b364e7442
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--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] 26e7884d88e0c15e4cc33f2ac40540a0abab5d21b9a4879e7ddd7a38d8ed0fcd
[INFO] running `Command { std: "docker" "start" "-a" "26e7884d88e0c15e4cc33f2ac40540a0abab5d21b9a4879e7ddd7a38d8ed0fcd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.63
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.6
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling async-trait v0.1.48
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking async-lock v2.3.0
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking nb-connect v1.0.3
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.3
[INFO] [stderr]    Compiling ctor v0.1.19
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking async-io v1.3.1
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking merkle-log v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking async-std v1.9.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.07s
[INFO] running `Command { std: "docker" "inspect" "26e7884d88e0c15e4cc33f2ac40540a0abab5d21b9a4879e7ddd7a38d8ed0fcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26e7884d88e0c15e4cc33f2ac40540a0abab5d21b9a4879e7ddd7a38d8ed0fcd", kill_on_drop: false }`
[INFO] [stdout] 26e7884d88e0c15e4cc33f2ac40540a0abab5d21b9a4879e7ddd7a38d8ed0fcd