[INFO] updating cached repository https://github.com/tscs37/flathunter-rs
[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] 462ca6618d0dd2e27ce6f7b3e871a7ea27118dec
[INFO] checking tscs37/flathunter-rs against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftscs37%2Fflathunter-rs" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tscs37/flathunter-rs on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/tscs37/flathunter-rs
[INFO] finished tweaking git repo https://github.com/tscs37/flathunter-rs
[INFO] tweaked toml for git repo https://github.com/tscs37/flathunter-rs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/tscs37/flathunter-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] 1fe67118f5906f99971b0495b20fb4934afdd1d76797cb02e53ff1598d0f4840
[INFO] running `"docker" "start" "-a" "1fe67118f5906f99971b0495b20fb4934afdd1d76797cb02e53ff1598d0f4840"`
[INFO] [stderr]    Compiling syn v0.15.38
[INFO] [stderr]    Compiling serde v1.0.93
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]     Checking arc-swap v0.3.11
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking termcolor v0.3.6
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling backtrace v0.3.31
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]     Checking bit-set v0.4.0
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]     Checking fern v0.5.8
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking tendril v0.3.1
[INFO] [stderr]     Checking debug_unreachable v0.1.1
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking signal-hook-registry v1.0.1
[INFO] [stderr]     Checking native-tls v0.2.3
[INFO] [stderr]     Checking os_type v2.2.0
[INFO] [stderr]     Checking flate2 v1.0.9
[INFO] [stderr]    Compiling string_cache v0.6.2
[INFO] [stderr]     Checking signal-hook v0.1.9
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.14
[INFO] [stderr]     Checking h2 v0.1.24
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking publicsuffix v1.5.2
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.21
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]     Checking hyper v0.12.30
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling markup5ever v0.3.2
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.93
[INFO] [stderr]    Compiling html5ever v0.18.0
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking serde_yaml v0.8.9
[INFO] [stderr]     Checking rust_decimal v1.0.1
[INFO] [stderr]     Checking human-panic v1.0.1
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking reqwest v0.9.18
[INFO] [stderr]     Checking select v0.4.2
[INFO] [stderr]     Checking flathunter-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variant is never constructed: `URL`
[INFO] [stderr]   --> src/notifiers/webhook.rs:14:3
[INFO] [stderr]    |
[INFO] [stderr] 14 |   URL(EmbedURL),
[INFO] [stderr]    |   ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Description`
[INFO] [stderr]   --> src/notifiers/webhook.rs:16:3
[INFO] [stderr]    |
[INFO] [stderr] 16 |   Description(EmbedDescription),
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `URL`
[INFO] [stderr]   --> src/notifiers/webhook.rs:14:3
[INFO] [stderr]    |
[INFO] [stderr] 14 |   URL(EmbedURL),
[INFO] [stderr]    |   ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Description`
[INFO] [stderr]   --> src/notifiers/webhook.rs:16:3
[INFO] [stderr]    |
[INFO] [stderr] 16 |   Description(EmbedDescription),
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 33s
[INFO] running `"docker" "inspect" "1fe67118f5906f99971b0495b20fb4934afdd1d76797cb02e53ff1598d0f4840"`
[INFO] running `"docker" "rm" "-f" "1fe67118f5906f99971b0495b20fb4934afdd1d76797cb02e53ff1598d0f4840"`
[INFO] [stdout] 1fe67118f5906f99971b0495b20fb4934afdd1d76797cb02e53ff1598d0f4840