[INFO] fetching crate pedit 1.0.0...
[INFO] checking pedit-1.0.0 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] extracting crate pedit 1.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate pedit 1.0.0 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pedit 1.0.0
[INFO] finished tweaking crates.io crate pedit 1.0.0
[INFO] tweaked toml for crates.io crate pedit 1.0.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate pedit 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded problem v5.3.0
[INFO] [stderr]   Downloaded cotton v0.0.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0028caf36b926198ecf2ff718611a1f1ad27d8489dc5b373b207a1751fcfcf53
[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" "0028caf36b926198ecf2ff718611a1f1ad27d8489dc5b373b207a1751fcfcf53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0028caf36b926198ecf2ff718611a1f1ad27d8489dc5b373b207a1751fcfcf53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0028caf36b926198ecf2ff718611a1f1ad27d8489dc5b373b207a1751fcfcf53", kill_on_drop: false }`
[INFO] [stdout] 0028caf36b926198ecf2ff718611a1f1ad27d8489dc5b373b207a1751fcfcf53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "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] 13f8bc1234059d01aca8a33c3348b7e5ccce9697be34dc2c6a010536993af9cf
[INFO] running `Command { std: "docker" "start" "-a" "13f8bc1234059d01aca8a33c3348b7e5ccce9697be34dc2c6a010536993af9cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling memchr v2.3.2
[INFO] [stderr]     Checking rustc-demangle v0.1.9
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking once_cell v1.3.1
[INFO] [stderr]     Checking regex-syntax v0.6.14
[INFO] [stderr]     Checking tap v0.3.1
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking app_dirs v1.2.1
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking shared_child v0.3.4
[INFO] [stderr]     Checking os_pipe v0.9.1
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking errno v0.2.4
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking duct v0.13.3
[INFO] [stderr]     Checking exec v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking aho-corasick v0.7.8
[INFO] [stderr]     Checking backtrace v0.3.41
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking problem v5.3.0
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking shaman v0.1.0
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling proc-macro-error v0.4.9
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.9
[INFO] [stderr]    Compiling structopt-derive v0.4.2
[INFO] [stderr]     Checking structopt v0.3.9
[INFO] [stderr]     Checking cotton v0.0.9
[INFO] [stderr]     Checking pedit v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.27s
[INFO] running `Command { std: "docker" "inspect" "13f8bc1234059d01aca8a33c3348b7e5ccce9697be34dc2c6a010536993af9cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13f8bc1234059d01aca8a33c3348b7e5ccce9697be34dc2c6a010536993af9cf", kill_on_drop: false }`
[INFO] [stdout] 13f8bc1234059d01aca8a33c3348b7e5ccce9697be34dc2c6a010536993af9cf