[INFO] cloning repository https://github.com/FilipAndersson245/markdown
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FilipAndersson245/markdown" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFilipAndersson245%2Fmarkdown", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFilipAndersson245%2Fmarkdown'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 28ef181cb7ec296c035cece931f56cab172a281d
[INFO] checking FilipAndersson245/markdown against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFilipAndersson245%2Fmarkdown" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FilipAndersson245/markdown on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/FilipAndersson245/markdown
[INFO] finished tweaking git repo https://github.com/FilipAndersson245/markdown
[INFO] tweaked toml for git repo https://github.com/FilipAndersson245/markdown written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/FilipAndersson245/markdown already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "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] 1972f3e3ec2fd9abfe61c5a895b1bea5c3d8af23309beee38f7480a10285d250
[INFO] running `Command { std: "docker" "start" "-a" "1972f3e3ec2fd9abfe61c5a895b1bea5c3d8af23309beee38f7480a10285d250", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1972f3e3ec2fd9abfe61c5a895b1bea5c3d8af23309beee38f7480a10285d250", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1972f3e3ec2fd9abfe61c5a895b1bea5c3d8af23309beee38f7480a10285d250", kill_on_drop: false }`
[INFO] [stdout] 1972f3e3ec2fd9abfe61c5a895b1bea5c3d8af23309beee38f7480a10285d250
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa92f8c2307924352ee110790e634f6cd55773ad12c91d22fc7ccb81b95382cb
[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" "aa92f8c2307924352ee110790e634f6cd55773ad12c91d22fc7ccb81b95382cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking markdown v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `char`, `tag`
[INFO] [stdout]  --> src/lib/header.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use nom::{char, tag};
[INFO] [stdout]   |           ^^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `char`, `tag`
[INFO] [stdout]  --> src/lib/header.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use nom::{char, tag};
[INFO] [stdout]   |           ^^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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 11.28s
[INFO] running `Command { std: "docker" "inspect" "aa92f8c2307924352ee110790e634f6cd55773ad12c91d22fc7ccb81b95382cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa92f8c2307924352ee110790e634f6cd55773ad12c91d22fc7ccb81b95382cb", kill_on_drop: false }`
[INFO] [stdout] aa92f8c2307924352ee110790e634f6cd55773ad12c91d22fc7ccb81b95382cb