[INFO] updating cached repository https://github.com/SirVer/taskpaper
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f8913cde81036057ad972a05497d942032e3e387
[INFO] checking SirVer/taskpaper against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSirVer%2Ftaskpaper" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SirVer/taskpaper on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/SirVer/taskpaper
[INFO] finished tweaking git repo https://github.com/SirVer/taskpaper
[INFO] tweaked toml for git repo https://github.com/SirVer/taskpaper written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/SirVer/taskpaper already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fcf3de3db0c49c0abf600c8d777f3144a8d5a4be9b5d89d1650fb392fedb7201
[INFO] running `"docker" "start" "-a" "fcf3de3db0c49c0abf600c8d777f3144a8d5a4be9b5d89d1650fb392fedb7201"`
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[INFO] [stderr]    Compiling markup5ever v0.7.5
[INFO] [stderr]     Checking soup v0.4.1
[INFO] [stderr]     Checking taskpaper v0.16.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `mail`
[INFO] [stderr]   --> src/bin/taskpaper/to_inbox.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 |     mail: bool,
[INFO] [stderr]    |     ^^^^ help: consider prefixing with an underscore: `_mail`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mail`
[INFO] [stderr]   --> src/bin/taskpaper/to_inbox.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 |     mail: bool,
[INFO] [stderr]    |     ^^^^ help: consider prefixing with an underscore: `_mail`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 38s
[INFO] running `"docker" "inspect" "fcf3de3db0c49c0abf600c8d777f3144a8d5a4be9b5d89d1650fb392fedb7201"`
[INFO] running `"docker" "rm" "-f" "fcf3de3db0c49c0abf600c8d777f3144a8d5a4be9b5d89d1650fb392fedb7201"`
[INFO] [stdout] fcf3de3db0c49c0abf600c8d777f3144a8d5a4be9b5d89d1650fb392fedb7201