[INFO] fetching crate har 0.6.1...
[INFO] checking har-0.6.1 against beta for pr-78714
[INFO] extracting crate har 0.6.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate har 0.6.1 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate har 0.6.1
[INFO] finished tweaking crates.io crate har 0.6.1
[INFO] tweaked toml for crates.io crate har 0.6.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate har 0.6.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e9da3cf815077027d4b587314d4d65dd4a6a2c83fab9602505d37ba092d16e1
[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" "8e9da3cf815077027d4b587314d4d65dd4a6a2c83fab9602505d37ba092d16e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e9da3cf815077027d4b587314d4d65dd4a6a2c83fab9602505d37ba092d16e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e9da3cf815077027d4b587314d4d65dd4a6a2c83fab9602505d37ba092d16e1", kill_on_drop: false }`
[INFO] [stdout] 8e9da3cf815077027d4b587314d4d65dd4a6a2c83fab9602505d37ba092d16e1
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1cf52a0d0620b53433ffa70d38281078db75444174830ce75deb1c2eaee97ef
[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" "f1cf52a0d0620b53433ffa70d38281078db75444174830ce75deb1c2eaee97ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]     Checking rustc-demangle v0.1.17
[INFO] [stderr]     Checking backtrace v0.3.53
[INFO] [stderr]     Checking error-chain v0.12.4
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking semver-parser v0.10.0
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling serde_with_macros v1.2.2
[INFO] [stderr]     Checking semver v0.11.0
[INFO] [stderr]     Checking serde v1.0.116
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking serde_with v1.5.1
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking har v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.92s
[INFO] running `Command { std: "docker" "inspect" "f1cf52a0d0620b53433ffa70d38281078db75444174830ce75deb1c2eaee97ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1cf52a0d0620b53433ffa70d38281078db75444174830ce75deb1c2eaee97ef", kill_on_drop: false }`
[INFO] [stdout] f1cf52a0d0620b53433ffa70d38281078db75444174830ce75deb1c2eaee97ef