[INFO] cloning repository https://github.com/jml/jml-notes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jml/jml-notes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjml%2Fjml-notes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjml%2Fjml-notes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ec7c9f7e5b8d00f5d3dbf31b94d4ddbe6494bc81
[INFO] checking jml/jml-notes against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjml%2Fjml-notes" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jml/jml-notes on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jml/jml-notes
[INFO] finished tweaking git repo https://github.com/jml/jml-notes
[INFO] tweaked toml for git repo https://github.com/jml/jml-notes written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/jml/jml-notes already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51eb985d9ab817abff8f7885a89606e07bf679aa3681e8e283f195791fcd3dbb
[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" "51eb985d9ab817abff8f7885a89606e07bf679aa3681e8e283f195791fcd3dbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51eb985d9ab817abff8f7885a89606e07bf679aa3681e8e283f195791fcd3dbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51eb985d9ab817abff8f7885a89606e07bf679aa3681e8e283f195791fcd3dbb", kill_on_drop: false }`
[INFO] [stdout] 51eb985d9ab817abff8f7885a89606e07bf679aa3681e8e283f195791fcd3dbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b65ad25abda32b3ad5be6d50b5c277c86bf091045ef47851266a5566bee026df
[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" "b65ad25abda32b3ad5be6d50b5c277c86bf091045ef47851266a5566bee026df", kill_on_drop: false }`
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking unic-common v0.9.0
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.0
[INFO] [stderr]     Checking unic-char-property v0.9.0
[INFO] [stderr]     Checking unic-ucd-version v0.9.0
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking unic-ucd-segment v0.9.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]     Checking unic-segment v0.9.0
[INFO] [stderr]    Compiling chrono-tz v0.5.2
[INFO] [stderr]     Checking ignore v0.4.16
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking globwalk v0.8.0
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking tera v1.5.0
[INFO] [stderr]     Checking jml-notes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.41s
[INFO] running `Command { std: "docker" "inspect" "b65ad25abda32b3ad5be6d50b5c277c86bf091045ef47851266a5566bee026df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b65ad25abda32b3ad5be6d50b5c277c86bf091045ef47851266a5566bee026df", kill_on_drop: false }`
[INFO] [stdout] b65ad25abda32b3ad5be6d50b5c277c86bf091045ef47851266a5566bee026df