[INFO] cloning repository https://github.com/chronoslynx/lispers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chronoslynx/lispers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchronoslynx%2Flispers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchronoslynx%2Flispers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4e3d3ddaade2f8ce636af0182f4e62190d21ede5
[INFO] checking chronoslynx/lispers against master#c9228570668803e3e6402770d55f23a12c9ae686 for pr-79472
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchronoslynx%2Flispers" "/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/chronoslynx/lispers on toolchain c9228570668803e3e6402770d55f23a12c9ae686
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chronoslynx/lispers
[INFO] finished tweaking git repo https://github.com/chronoslynx/lispers
[INFO] tweaked toml for git repo https://github.com/chronoslynx/lispers written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/chronoslynx/lispers already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "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] df5bc4be3fcf02f84b00ecaa6324f3ddf974971a6d763b2d20a83bc297092f33
[INFO] running `Command { std: "docker" "start" "-a" "df5bc4be3fcf02f84b00ecaa6324f3ddf974971a6d763b2d20a83bc297092f33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df5bc4be3fcf02f84b00ecaa6324f3ddf974971a6d763b2d20a83bc297092f33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df5bc4be3fcf02f84b00ecaa6324f3ddf974971a6d763b2d20a83bc297092f33", kill_on_drop: false }`
[INFO] [stdout] df5bc4be3fcf02f84b00ecaa6324f3ddf974971a6d763b2d20a83bc297092f33
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a94e517781f7c8939cdf808707d740df6b1de08cdf512e78751800d33254f7e2
[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" "a94e517781f7c8939cdf808707d740df6b1de08cdf512e78751800d33254f7e2", kill_on_drop: false }`
[INFO] [stderr]     Checking lispers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `chr`
[INFO] [stdout]    --> src/tokenize.rs:227:33
[INFO] [stdout]     |
[INFO] [stdout] 227 |     fn consume_quote(&mut self, chr: char) -> TokenizeResult {
[INFO] [stdout]     |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_chr`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `chr`
[INFO] [stdout]    --> src/tokenize.rs:227:33
[INFO] [stdout]     |
[INFO] [stdout] 227 |     fn consume_quote(&mut self, chr: char) -> TokenizeResult {
[INFO] [stdout]     |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_chr`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(slice_patterns)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(slice_patterns)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[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 1.13s
[INFO] running `Command { std: "docker" "inspect" "a94e517781f7c8939cdf808707d740df6b1de08cdf512e78751800d33254f7e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a94e517781f7c8939cdf808707d740df6b1de08cdf512e78751800d33254f7e2", kill_on_drop: false }`
[INFO] [stdout] a94e517781f7c8939cdf808707d740df6b1de08cdf512e78751800d33254f7e2