[INFO] fetching crate rustop-rs 0.4.6...
[INFO] checking rustop-rs-0.4.6 against master#ffa2e7ae8fbf9badc035740db949b9dae271c29f for pr-78338
[INFO] extracting crate rustop-rs 0.4.6 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rustop-rs 0.4.6 on toolchain ffa2e7ae8fbf9badc035740db949b9dae271c29f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustop-rs 0.4.6
[INFO] finished tweaking crates.io crate rustop-rs 0.4.6
[INFO] tweaked toml for crates.io crate rustop-rs 0.4.6 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate rustop-rs 0.4.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "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] c8f842092c950140f5b32681ccbac7496391673851d7c15ad27de4c9b7f664e8
[INFO] running `Command { std: "docker" "start" "-a" "c8f842092c950140f5b32681ccbac7496391673851d7c15ad27de4c9b7f664e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8f842092c950140f5b32681ccbac7496391673851d7c15ad27de4c9b7f664e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8f842092c950140f5b32681ccbac7496391673851d7c15ad27de4c9b7f664e8", kill_on_drop: false }`
[INFO] [stdout] c8f842092c950140f5b32681ccbac7496391673851d7c15ad27de4c9b7f664e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "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] 8172f2b3a4da24a90a73ed28387cd6a075d7cad018596e2e391899bf55b2b22f
[INFO] running `Command { std: "docker" "start" "-a" "8172f2b3a4da24a90a73ed28387cd6a075d7cad018596e2e391899bf55b2b22f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking rgb v0.8.14
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling structopt-derive v0.3.3
[INFO] [stderr]     Checking structopt v0.3.3
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]     Checking rustop-rs v0.4.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "8172f2b3a4da24a90a73ed28387cd6a075d7cad018596e2e391899bf55b2b22f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8172f2b3a4da24a90a73ed28387cd6a075d7cad018596e2e391899bf55b2b22f", kill_on_drop: false }`
[INFO] [stdout] 8172f2b3a4da24a90a73ed28387cd6a075d7cad018596e2e391899bf55b2b22f