[INFO] cloning repository https://github.com/rklaehn/rust-parser-comparison
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rklaehn/rust-parser-comparison" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frklaehn%2Frust-parser-comparison", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frklaehn%2Frust-parser-comparison'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ea3d73f257d669437d8fd576fb1ce3a7872f5c02
[INFO] checking rklaehn/rust-parser-comparison against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frklaehn%2Frust-parser-comparison" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rklaehn/rust-parser-comparison on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rklaehn/rust-parser-comparison
[INFO] finished tweaking git repo https://github.com/rklaehn/rust-parser-comparison
[INFO] tweaked toml for git repo https://github.com/rklaehn/rust-parser-comparison written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/rklaehn/rust-parser-comparison already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc07d239e3391ee1098fa4176d4d9ea56506316863cd5a8807f478c9fa247ba0
[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" "bc07d239e3391ee1098fa4176d4d9ea56506316863cd5a8807f478c9fa247ba0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc07d239e3391ee1098fa4176d4d9ea56506316863cd5a8807f478c9fa247ba0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc07d239e3391ee1098fa4176d4d9ea56506316863cd5a8807f478c9fa247ba0", kill_on_drop: false }`
[INFO] [stdout] bc07d239e3391ee1098fa4176d4d9ea56506316863cd5a8807f478c9fa247ba0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb548fb5343e672d703675b6caa5502627f09c898397f89b1db4c94ceb9e464e
[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" "fb548fb5343e672d703675b6caa5502627f09c898397f89b1db4c94ceb9e464e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]     Checking pom v3.1.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking lexical-core v0.7.4
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking parser-eval v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/combine_eval/mod.rs:147:19
[INFO] [stdout]     |
[INFO] [stdout] 147 |         .map_err(|e| anyhow::anyhow!("Some error!"))?;
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/combine_eval/mod.rs:147:19
[INFO] [stdout]     |
[INFO] [stdout] 147 |         .map_err(|e| anyhow::anyhow!("Some error!"))?;
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` 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 49.18s
[INFO] running `Command { std: "docker" "inspect" "fb548fb5343e672d703675b6caa5502627f09c898397f89b1db4c94ceb9e464e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb548fb5343e672d703675b6caa5502627f09c898397f89b1db4c94ceb9e464e", kill_on_drop: false }`
[INFO] [stdout] fb548fb5343e672d703675b6caa5502627f09c898397f89b1db4c94ceb9e464e