[INFO] crate sarc 1.0.1 is already in cache
[INFO] checking sarc-1.0.1 against try#13f916f63bc6575d5ff1f989237dfabe88981368 for pr-69880
[INFO] extracting crate sarc 1.0.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate sarc 1.0.1 on toolchain 13f916f63bc6575d5ff1f989237dfabe88981368
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate sarc 1.0.1
[INFO] finished tweaking crates.io crate sarc 1.0.1
[INFO] tweaked toml for crates.io crate sarc 1.0.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate sarc 1.0.1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+13f916f63bc6575d5ff1f989237dfabe88981368" "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] 26f30017a4301b6cbc3486a940dc236d40c1541a7fd3fbec30845891565d17aa
[INFO] running `"docker" "start" "-a" "26f30017a4301b6cbc3486a940dc236d40c1541a7fd3fbec30845891565d17aa"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling nom v5.1.0
[INFO] [stderr]    Compiling lexical-core v0.4.6
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]     Checking yaz0 v0.1.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling binwrite_derive v0.2.1
[INFO] [stderr]    Compiling paste-impl v0.1.6
[INFO] [stderr]     Checking paste v0.1.6
[INFO] [stderr]     Checking binwrite v0.2.1
[INFO] [stderr]     Checking sarc v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `error::ErrorKind as NomErrorKind`
[INFO] [stderr]  --> src/parser.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     error::ErrorKind as NomErrorKind,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `error::ErrorKind as NomErrorKind`
[INFO] [stderr]  --> src/parser.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     error::ErrorKind as NomErrorKind,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `file_size`
[INFO] [stderr]   --> src/parser.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     file_size: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `file_size`
[INFO] [stderr]   --> src/parser.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     file_size: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.07s
[INFO] running `"docker" "inspect" "26f30017a4301b6cbc3486a940dc236d40c1541a7fd3fbec30845891565d17aa"`
[INFO] running `"docker" "rm" "-f" "26f30017a4301b6cbc3486a940dc236d40c1541a7fd3fbec30845891565d17aa"`
[INFO] [stdout] 26f30017a4301b6cbc3486a940dc236d40c1541a7fd3fbec30845891565d17aa