[INFO] fetching crate discord-snowflake-info 1.2.0...
[INFO] checking discord-snowflake-info-1.2.0 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] extracting crate discord-snowflake-info 1.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate discord-snowflake-info 1.2.0 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate discord-snowflake-info 1.2.0
[INFO] finished tweaking crates.io crate discord-snowflake-info 1.2.0
[INFO] tweaked toml for crates.io crate discord-snowflake-info 1.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate discord-snowflake-info 1.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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" "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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "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] db2ed24a5de16fdd8cb245c4f0e0d8bd0cc45e3f60f3c0576cc1121164167847
[INFO] running `Command { std: "docker" "start" "-a" "db2ed24a5de16fdd8cb245c4f0e0d8bd0cc45e3f60f3c0576cc1121164167847", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db2ed24a5de16fdd8cb245c4f0e0d8bd0cc45e3f60f3c0576cc1121164167847", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db2ed24a5de16fdd8cb245c4f0e0d8bd0cc45e3f60f3c0576cc1121164167847", kill_on_drop: false }`
[INFO] [stdout] db2ed24a5de16fdd8cb245c4f0e0d8bd0cc45e3f60f3c0576cc1121164167847
[INFO] running `Command { std: "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" "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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d197d9e4f22609125a2c0be4d4ae9593e61cad770686d9ccd25abf4f052a753
[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" "4d197d9e4f22609125a2c0be4d4ae9593e61cad770686d9ccd25abf4f052a753", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking discord-snowflake-info v1.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new_u64`
[INFO] [stdout]  --> src/main.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn new_u64(raw: u64) -> Option<Self> {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_u64`
[INFO] [stdout]  --> src/main.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn new_u64(raw: u64) -> Option<Self> {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.01s
[INFO] running `Command { std: "docker" "inspect" "4d197d9e4f22609125a2c0be4d4ae9593e61cad770686d9ccd25abf4f052a753", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d197d9e4f22609125a2c0be4d4ae9593e61cad770686d9ccd25abf4f052a753", kill_on_drop: false }`
[INFO] [stdout] 4d197d9e4f22609125a2c0be4d4ae9593e61cad770686d9ccd25abf4f052a753