[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#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFilipAndersson245%2Fmarkdown" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FilipAndersson245/markdown on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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-1/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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lexical-core v0.7.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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] 8f9f9c07bee65e5af8dc14ec859336663f50f73a6aad35ab37671efa3175f1aa
[INFO] running `Command { std: "docker" "start" "-a" "8f9f9c07bee65e5af8dc14ec859336663f50f73a6aad35ab37671efa3175f1aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f9f9c07bee65e5af8dc14ec859336663f50f73a6aad35ab37671efa3175f1aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f9f9c07bee65e5af8dc14ec859336663f50f73a6aad35ab37671efa3175f1aa", kill_on_drop: false }`
[INFO] [stdout] 8f9f9c07bee65e5af8dc14ec859336663f50f73a6aad35ab37671efa3175f1aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52a61f3e7607acfa655af73df8485f63ce109efcbb4e513ffe92b302f85e5e32
[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" "52a61f3e7607acfa655af73df8485f63ce109efcbb4e513ffe92b302f85e5e32", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking arrayvec v0.5.1
[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 9.09s
[INFO] running `Command { std: "docker" "inspect" "52a61f3e7607acfa655af73df8485f63ce109efcbb4e513ffe92b302f85e5e32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52a61f3e7607acfa655af73df8485f63ce109efcbb4e513ffe92b302f85e5e32", kill_on_drop: false }`
[INFO] [stdout] 52a61f3e7607acfa655af73df8485f63ce109efcbb4e513ffe92b302f85e5e32