[INFO] updating cached repository https://github.com/interruptinuse/fixext-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] [stderr] From https://github.com/interruptinuse/fixext-rs
[INFO] [stderr]  + 8a9bc2f...664a1ef master     -> master  (forced update)
[INFO] [stderr]  * [new tag]         v0.1.0-rc4 -> v0.1.0-rc4
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 664a1effa28961cd525007612668c373cf11f56a
[INFO] checking interruptinuse/fixext-rs against try#e922e6444795ab795fab1943288aee3d543699b8 for pr-66852
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finterruptinuse%2Ffixext-rs" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/interruptinuse/fixext-rs on toolchain e922e6444795ab795fab1943288aee3d543699b8
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e922e6444795ab795fab1943288aee3d543699b8" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/interruptinuse/fixext-rs
[INFO] finished tweaking git repo https://github.com/interruptinuse/fixext-rs
[INFO] tweaked toml for git repo https://github.com/interruptinuse/fixext-rs written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/interruptinuse/fixext-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e922e6444795ab795fab1943288aee3d543699b8" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+e922e6444795ab795fab1943288aee3d543699b8" "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] 071a5c17c5eed8792de9b0da924e93d54a7dbbbc6488bcf96b5f05c3bf38c8a1
[INFO] running `"docker" "start" "-a" "071a5c17c5eed8792de9b0da924e93d54a7dbbbc6488bcf96b5f05c3bf38c8a1"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling magic-sys v0.2.1 (https://github.com/interruptinuse/rust-magic-sys#0c20fce1)
[INFO] [stderr]    Compiling half v1.4.0
[INFO] [stderr]     Checking rustyline v5.0.4
[INFO] [stderr]     Checking shellwords v1.0.0
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]     Checking magic v0.12.2 (https://github.com/interruptinuse/rust-magic#8d38180e)
[INFO] [stderr]     Checking serde_cbor v0.10.2
[INFO] [stderr]    Compiling fixext v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::convert::TryInto`
[INFO] [stderr]   --> fixext.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | use std::convert::TryInto;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::convert::TryInto`
[INFO] [stderr]   --> fixext.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | use std::convert::TryInto;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.66s
[INFO] running `"docker" "inspect" "071a5c17c5eed8792de9b0da924e93d54a7dbbbc6488bcf96b5f05c3bf38c8a1"`
[INFO] running `"docker" "rm" "-f" "071a5c17c5eed8792de9b0da924e93d54a7dbbbc6488bcf96b5f05c3bf38c8a1"`
[INFO] [stdout] 071a5c17c5eed8792de9b0da924e93d54a7dbbbc6488bcf96b5f05c3bf38c8a1