[INFO] cloning repository https://github.com/AustinHaugerud/mb_ext_script
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AustinHaugerud/mb_ext_script" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAustinHaugerud%2Fmb_ext_script", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAustinHaugerud%2Fmb_ext_script'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 74dcc1b8e3e80b96228f9e729c5de9f04f064a7d
[INFO] checking AustinHaugerud/mb_ext_script against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAustinHaugerud%2Fmb_ext_script" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AustinHaugerud/mb_ext_script on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AustinHaugerud/mb_ext_script
[INFO] finished tweaking git repo https://github.com/AustinHaugerud/mb_ext_script
[INFO] tweaked toml for git repo https://github.com/AustinHaugerud/mb_ext_script written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/AustinHaugerud/mb_ext_script already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cpython v0.2.1
[INFO] [stderr]   Downloaded python27-sys v0.2.1
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "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] 0cff1f6811a4b8523743618df862c5df29b6c4e73932e7eabe2363f4a99c0e24
[INFO] running `Command { std: "docker" "start" "-a" "0cff1f6811a4b8523743618df862c5df29b6c4e73932e7eabe2363f4a99c0e24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0cff1f6811a4b8523743618df862c5df29b6c4e73932e7eabe2363f4a99c0e24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cff1f6811a4b8523743618df862c5df29b6c4e73932e7eabe2363f4a99c0e24", kill_on_drop: false }`
[INFO] [stdout] 0cff1f6811a4b8523743618df862c5df29b6c4e73932e7eabe2363f4a99c0e24
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be1bbd03ed5cfc8082192e23e39fdefc05af37d39d0b874b2a036533b7482b54
[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" "be1bbd03ed5cfc8082192e23e39fdefc05af37d39d0b874b2a036533b7482b54", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling regex v1.1.7
[INFO] [stderr]    Compiling utf8-ranges v1.0.3
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling ucd-trie v0.1.1
[INFO] [stderr]    Compiling syn v0.15.35
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]    Compiling cpython v0.2.1
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]     Checking pest v2.1.1
[INFO] [stderr]    Compiling regex-syntax v0.6.7
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling aho-corasick v0.7.3
[INFO] [stderr]    Compiling pest_meta v2.1.1
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling python27-sys v0.2.1
[INFO] [stderr]     Checking mb_ext_script v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cpython-0.2.1/src/argparse.rs:386:52
[INFO] [stdout]     |
[INFO] [stdout] 386 |     ( $py:expr, $iter:expr, $body:block, [] ) => { $body };
[INFO] [stdout]     |                                                    ^^^^^ help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cpython-0.2.1/src/argparse.rs:386:52
[INFO] [stdout]     |
[INFO] [stdout] 386 |     ( $py:expr, $iter:expr, $body:block, [] ) => { $body };
[INFO] [stdout]     |                                                    ^^^^^ help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.00s
[INFO] running `Command { std: "docker" "inspect" "be1bbd03ed5cfc8082192e23e39fdefc05af37d39d0b874b2a036533b7482b54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be1bbd03ed5cfc8082192e23e39fdefc05af37d39d0b874b2a036533b7482b54", kill_on_drop: false }`
[INFO] [stdout] be1bbd03ed5cfc8082192e23e39fdefc05af37d39d0b874b2a036533b7482b54