[INFO] fetching crate razor 0.1.0...
[INFO] checking razor-0.1.0 against master#3e826bb11228508fbe749e594038d6727208aa94 for pr-82322
[INFO] extracting crate razor 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate razor 0.1.0 on toolchain 3e826bb11228508fbe749e594038d6727208aa94
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate razor 0.1.0
[INFO] finished tweaking crates.io crate razor 0.1.0
[INFO] tweaked toml for crates.io crate razor 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate razor 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd9746845d0464176ca6f5b5b9a89915ce43b8c24f420d3b4527e819168463e9
[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" "cd9746845d0464176ca6f5b5b9a89915ce43b8c24f420d3b4527e819168463e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd9746845d0464176ca6f5b5b9a89915ce43b8c24f420d3b4527e819168463e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd9746845d0464176ca6f5b5b9a89915ce43b8c24f420d3b4527e819168463e9", kill_on_drop: false }`
[INFO] [stdout] cd9746845d0464176ca6f5b5b9a89915ce43b8c24f420d3b4527e819168463e9
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "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] ed8f1ebb7b62761e1903d8f4a1c30e11279449bf36ff4b961b0d6738d707292b
[INFO] running `Command { std: "docker" "start" "-a" "ed8f1ebb7b62761e1903d8f4a1c30e11279449bf36ff4b961b0d6738d707292b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling cc v1.0.48
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking cast v0.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking thread-scoped v1.0.2
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]     Checking itertools v0.5.10
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking tracing-core v0.1.8
[INFO] [stderr]     Checking term v0.2.14
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking criterion-plot v0.1.3
[INFO] [stderr]     Checking nom v4.2.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num_cpus v0.2.13
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking isatty v0.1.9
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking simplelog v0.4.4
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking nom_locate v0.3.1
[INFO] [stderr]     Checking criterion-stats v0.1.3
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling tracing-attributes v0.1.6
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking razor-fol v0.1.0
[INFO] [stderr]     Checking exitfailure v0.5.1
[INFO] [stderr]     Checking tracing v0.1.11
[INFO] [stderr]     Checking criterion v0.1.2
[INFO] [stderr]     Checking razor-chase v0.1.0
[INFO] [stderr]     Checking razor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `Command { std: "docker" "inspect" "ed8f1ebb7b62761e1903d8f4a1c30e11279449bf36ff4b961b0d6738d707292b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed8f1ebb7b62761e1903d8f4a1c30e11279449bf36ff4b961b0d6738d707292b", kill_on_drop: false }`
[INFO] [stdout] ed8f1ebb7b62761e1903d8f4a1c30e11279449bf36ff4b961b0d6738d707292b