[INFO] cloning repository https://github.com/jakewitcher/rusty_parsec
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jakewitcher/rusty_parsec" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakewitcher%2Frusty_parsec", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakewitcher%2Frusty_parsec'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 337f5379d8a8055110c73d492c48314cd4d28510
[INFO] checking jakewitcher/rusty_parsec against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakewitcher%2Frusty_parsec" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jakewitcher/rusty_parsec on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jakewitcher/rusty_parsec
[INFO] finished tweaking git repo https://github.com/jakewitcher/rusty_parsec
[INFO] tweaked toml for git repo https://github.com/jakewitcher/rusty_parsec written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/jakewitcher/rusty_parsec already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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] 2f55a55c3a3454f25a9f1eb9fcfccbf23c9a31e0cf583987d75640b170df2555
[INFO] running `Command { std: "docker" "start" "-a" "2f55a55c3a3454f25a9f1eb9fcfccbf23c9a31e0cf583987d75640b170df2555", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f55a55c3a3454f25a9f1eb9fcfccbf23c9a31e0cf583987d75640b170df2555", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f55a55c3a3454f25a9f1eb9fcfccbf23c9a31e0cf583987d75640b170df2555", kill_on_drop: false }`
[INFO] [stdout] 2f55a55c3a3454f25a9f1eb9fcfccbf23c9a31e0cf583987d75640b170df2555
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3eee69fe7847d7ecb037da96cbc19961c33a40b2e3ec497be8ed1f2df134701a
[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" "3eee69fe7847d7ecb037da96cbc19961c33a40b2e3ec497be8ed1f2df134701a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking rusty_parsec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `p_hello`
[INFO] [stdout]  --> tests/common/mod.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn p_hello() -> Parser<String> {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `p_true`
[INFO] [stdout]  --> tests/common/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn p_true() -> Parser<bool> {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` 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] [stdout] warning: function is never used: `p_abc_123`
[INFO] [stdout]   --> tests/common/mod.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn p_abc_123() -> Parser<(String, u32)> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.68s
[INFO] running `Command { std: "docker" "inspect" "3eee69fe7847d7ecb037da96cbc19961c33a40b2e3ec497be8ed1f2df134701a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3eee69fe7847d7ecb037da96cbc19961c33a40b2e3ec497be8ed1f2df134701a", kill_on_drop: false }`
[INFO] [stdout] 3eee69fe7847d7ecb037da96cbc19961c33a40b2e3ec497be8ed1f2df134701a