[INFO] cloning repository https://github.com/anderspitman/assg
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/anderspitman/assg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanderspitman%2Fassg", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanderspitman%2Fassg'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 72659a062c7e406cb555ee2d9a0a073a0a937309
[INFO] checking anderspitman/assg against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanderspitman%2Fassg" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/anderspitman/assg on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/anderspitman/assg
[INFO] finished tweaking git repo https://github.com/anderspitman/assg
[INFO] tweaked toml for git repo https://github.com/anderspitman/assg written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/anderspitman/assg already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e810d48bd7b66dacdcd7d49ca4c099088e3fd5ae8e3656f007dc5d2f34e7694c
[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" "e810d48bd7b66dacdcd7d49ca4c099088e3fd5ae8e3656f007dc5d2f34e7694c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e810d48bd7b66dacdcd7d49ca4c099088e3fd5ae8e3656f007dc5d2f34e7694c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e810d48bd7b66dacdcd7d49ca4c099088e3fd5ae8e3656f007dc5d2f34e7694c", kill_on_drop: false }`
[INFO] [stdout] e810d48bd7b66dacdcd7d49ca4c099088e3fd5ae8e3656f007dc5d2f34e7694c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9efca7b6f5c81f354b60a2e96d16c3bb6f1fbf42b4169465546db3c86f89b3d3
[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" "9efca7b6f5c81f354b60a2e96d16c3bb6f1fbf42b4169465546db3c86f89b3d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.17
[INFO] [stderr]    Compiling serde v1.0.66
[INFO] [stderr]    Compiling plist v0.2.4
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]     Checking same-file v1.0.2
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking regex-syntax v0.4.2
[INFO] [stderr]     Checking getopts v0.2.17
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]     Checking xml-rs v0.7.0
[INFO] [stderr]     Checking base64 v0.8.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking chrono v0.4.3
[INFO] [stderr]     Checking walkdir v2.1.4
[INFO] [stderr]     Checking yaml-rust v0.4.0
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]    Compiling cmake v0.1.31
[INFO] [stderr]    Compiling onig_sys v68.0.1
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]     Checking flate2 v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.66
[INFO] [stderr]     Checking serde_json v1.0.21
[INFO] [stderr]     Checking bincode v1.0.1
[INFO] [stderr]     Checking mustache v0.9.0
[INFO] [stderr]     Checking toml v0.4.6
[INFO] [stderr]     Checking onig v3.2.2
[INFO] [stderr]     Checking syntect v2.1.0
[INFO] [stderr]     Checking assg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.53s
[INFO] running `Command { std: "docker" "inspect" "9efca7b6f5c81f354b60a2e96d16c3bb6f1fbf42b4169465546db3c86f89b3d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9efca7b6f5c81f354b60a2e96d16c3bb6f1fbf42b4169465546db3c86f89b3d3", kill_on_drop: false }`
[INFO] [stdout] 9efca7b6f5c81f354b60a2e96d16c3bb6f1fbf42b4169465546db3c86f89b3d3