[INFO] cloning repository https://github.com/QuietMisdreavus/crystal-rustdoc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/QuietMisdreavus/crystal-rustdoc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FQuietMisdreavus%2Fcrystal-rustdoc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FQuietMisdreavus%2Fcrystal-rustdoc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6c5bb2d874f679d09d00acb9fcc148dd6673048f
[INFO] checking QuietMisdreavus/crystal-rustdoc against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FQuietMisdreavus%2Fcrystal-rustdoc" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/QuietMisdreavus/crystal-rustdoc on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/QuietMisdreavus/crystal-rustdoc
[INFO] finished tweaking git repo https://github.com/QuietMisdreavus/crystal-rustdoc
[INFO] tweaked toml for git repo https://github.com/QuietMisdreavus/crystal-rustdoc written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/QuietMisdreavus/crystal-rustdoc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] f64d938f5219d9151b5d5630fe45ec555d83ee8df630ef112a0de276601dfd66
[INFO] running `Command { std: "docker" "start" "-a" "f64d938f5219d9151b5d5630fe45ec555d83ee8df630ef112a0de276601dfd66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f64d938f5219d9151b5d5630fe45ec555d83ee8df630ef112a0de276601dfd66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f64d938f5219d9151b5d5630fe45ec555d83ee8df630ef112a0de276601dfd66", kill_on_drop: false }`
[INFO] [stdout] f64d938f5219d9151b5d5630fe45ec555d83ee8df630ef112a0de276601dfd66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] b7d6f1757d28fa035a0da5f6c8706875c56bd303154c214e8b79f096931ffd93
[INFO] running `Command { std: "docker" "start" "-a" "b7d6f1757d28fa035a0da5f6c8706875c56bd303154c214e8b79f096931ffd93", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-xid v0.0.4
[INFO] [stderr]     Checking synom v0.11.3
[INFO] [stderr]     Checking syn v0.11.11
[INFO] [stderr]     Checking rustdoc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]   --> src/main.rs:34:43
[INFO] [stdout]    |
[INFO] [stdout] 34 |                         ret.push_str(text.trim_left_matches("//!"));
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]   --> src/main.rs:36:43
[INFO] [stdout]    |
[INFO] [stdout] 36 |                         ret.push_str(text.trim_left_matches("///"));
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]   --> src/main.rs:34:43
[INFO] [stdout]    |
[INFO] [stdout] 34 |                         ret.push_str(text.trim_left_matches("//!"));
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]   --> src/main.rs:36:43
[INFO] [stdout]    |
[INFO] [stdout] 36 |                         ret.push_str(text.trim_left_matches("///"));
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[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 3.55s
[INFO] running `Command { std: "docker" "inspect" "b7d6f1757d28fa035a0da5f6c8706875c56bd303154c214e8b79f096931ffd93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7d6f1757d28fa035a0da5f6c8706875c56bd303154c214e8b79f096931ffd93", kill_on_drop: false }`
[INFO] [stdout] b7d6f1757d28fa035a0da5f6c8706875c56bd303154c214e8b79f096931ffd93