[INFO] cloning repository https://github.com/adamsoutar/ass
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adamsoutar/ass" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadamsoutar%2Fass", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadamsoutar%2Fass'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 06a8d2da8f202d57eefffb1609bef1949adb4338
[INFO] checking adamsoutar/ass against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadamsoutar%2Fass" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/adamsoutar/ass on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/adamsoutar/ass
[INFO] finished tweaking git repo https://github.com/adamsoutar/ass
[INFO] tweaked toml for git repo https://github.com/adamsoutar/ass written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/adamsoutar/ass already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb6d04e8adf6825eb3c57280b732928f26bef899891c3099c290644a78debff7
[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" "cb6d04e8adf6825eb3c57280b732928f26bef899891c3099c290644a78debff7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb6d04e8adf6825eb3c57280b732928f26bef899891c3099c290644a78debff7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb6d04e8adf6825eb3c57280b732928f26bef899891c3099c290644a78debff7", kill_on_drop: false }`
[INFO] [stdout] cb6d04e8adf6825eb3c57280b732928f26bef899891c3099c290644a78debff7
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a38b055efd91d8c78f6c2ee2d1781353e6d513badae9f49cb5a35cad8d984b88
[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" "a38b055efd91d8c78f6c2ee2d1781353e6d513badae9f49cb5a35cad8d984b88", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking ass v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `is_builtin_type_modifier`
[INFO] [stdout]   --> src/parser/tokens.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub fn is_builtin_type_modifier(s: &String) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `size_in_bytes`
[INFO] [stdout]   --> src/parser/types.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn size_in_bytes (the_type: &Type) -> isize {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_builtin_type_modifier`
[INFO] [stdout]   --> src/parser/tokens.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub fn is_builtin_type_modifier(s: &String) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `size_in_bytes`
[INFO] [stdout]   --> src/parser/types.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn size_in_bytes (the_type: &Type) -> isize {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.13s
[INFO] running `Command { std: "docker" "inspect" "a38b055efd91d8c78f6c2ee2d1781353e6d513badae9f49cb5a35cad8d984b88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a38b055efd91d8c78f6c2ee2d1781353e6d513badae9f49cb5a35cad8d984b88", kill_on_drop: false }`
[INFO] [stdout] a38b055efd91d8c78f6c2ee2d1781353e6d513badae9f49cb5a35cad8d984b88