[INFO] fetching crate semver-parser 0.10.2...
[INFO] checking semver-parser-0.10.2 against try#82acd1d76add2232e19c1f0feb250d2a19ec6efe for pr-81213
[INFO] extracting crate semver-parser 0.10.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate semver-parser 0.10.2 on toolchain 82acd1d76add2232e19c1f0feb250d2a19ec6efe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate semver-parser 0.10.2
[INFO] finished tweaking crates.io crate semver-parser 0.10.2
[INFO] tweaked toml for crates.io crate semver-parser 0.10.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate semver-parser 0.10.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded block-buffer v0.7.3
[INFO] [stderr]   Downloaded fake-simd v0.1.2
[INFO] [stderr]   Downloaded sha-1 v0.8.2
[INFO] [stderr]   Downloaded pest_generator v2.1.3
[INFO] [stderr]   Downloaded block-padding v0.1.5
[INFO] [stderr]   Downloaded pest_meta v2.1.3
[INFO] [stderr]   Downloaded byte-tools v0.3.1
[INFO] [stderr]   Downloaded generic-array v0.12.3
[INFO] [stderr]   Downloaded opaque-debug v0.2.3
[INFO] [stderr]   Downloaded maplit v1.0.2
[INFO] [stderr]   Downloaded digest v0.8.1
[INFO] [stderr]   Downloaded syn v1.0.34
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2fcc85481f16668d8c639723edf5c3407aa813b54a8e76e136f33c2d7c193930
[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" "2fcc85481f16668d8c639723edf5c3407aa813b54a8e76e136f33c2d7c193930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fcc85481f16668d8c639723edf5c3407aa813b54a8e76e136f33c2d7c193930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fcc85481f16668d8c639723edf5c3407aa813b54a8e76e136f33c2d7c193930", kill_on_drop: false }`
[INFO] [stdout] 2fcc85481f16668d8c639723edf5c3407aa813b54a8e76e136f33c2d7c193930
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "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] 3f1f3f5248404098645fb534e08ea0f893b6e98aff8faa8144fe66097d9bf50b
[INFO] running `Command { std: "docker" "start" "-a" "3f1f3f5248404098645fb534e08ea0f893b6e98aff8faa8144fe66097d9bf50b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.34
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking semver-parser v0.10.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking pest_meta v2.1.3
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking pest_generator v2.1.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.11s
[INFO] running `Command { std: "docker" "inspect" "3f1f3f5248404098645fb534e08ea0f893b6e98aff8faa8144fe66097d9bf50b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f1f3f5248404098645fb534e08ea0f893b6e98aff8faa8144fe66097d9bf50b", kill_on_drop: false }`
[INFO] [stdout] 3f1f3f5248404098645fb534e08ea0f893b6e98aff8faa8144fe66097d9bf50b