[INFO] updating cached repository https://github.com/michael-robbins/filemapper
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/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] a92a4ed3b7e2cea28bc2dd07f752ee2cd316967b
[INFO] checking michael-robbins/filemapper against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichael-robbins%2Ffilemapper" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/michael-robbins/filemapper on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/michael-robbins/filemapper
[INFO] finished tweaking git repo https://github.com/michael-robbins/filemapper
[INFO] tweaked toml for git repo https://github.com/michael-robbins/filemapper written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/michael-robbins/filemapper already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 17a8ab92335c6f7fa72d15bb89ff4f7113fc2e671bd1c0820aa788024cfc067f
[INFO] running `"docker" "start" "-a" "17a8ab92335c6f7fa72d15bb89ff4f7113fc2e671bd1c0820aa788024cfc067f"`
[INFO] [stderr]     Checking bzip2-sys v0.1.6
[INFO] [stderr]     Checking csv v1.0.0
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking file_mapper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/helpers.rs:12:41
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub fn open_file(filename: &str) -> Box<Read> {
[INFO] [stderr]    |                                         ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/helpers.rs:22:27
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let decompressor: Box<Read> = match file_path.extension().unwrap_or_default().to_str() {
[INFO] [stderr]    |                           ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/mapping_file.rs:14:16
[INFO] [stderr]    |
[INFO] [stderr] 14 |     cache: Box<MappingCache>,
[INFO] [stderr]    |                ^^^^^^^^^^^^ help: use `dyn`: `dyn MappingCache`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/helpers.rs:12:41
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub fn open_file(filename: &str) -> Box<Read> {
[INFO] [stderr]    |                                         ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/helpers.rs:22:27
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let decompressor: Box<Read> = match file_path.extension().unwrap_or_default().to_str() {
[INFO] [stderr]    |                           ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/mapping_file.rs:14:16
[INFO] [stderr]    |
[INFO] [stderr] 14 |     cache: Box<MappingCache>,
[INFO] [stderr]    |                ^^^^^^^^^^^^ help: use `dyn`: `dyn MappingCache`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.89s
[INFO] running `"docker" "inspect" "17a8ab92335c6f7fa72d15bb89ff4f7113fc2e671bd1c0820aa788024cfc067f"`
[INFO] running `"docker" "rm" "-f" "17a8ab92335c6f7fa72d15bb89ff4f7113fc2e671bd1c0820aa788024cfc067f"`
[INFO] [stdout] 17a8ab92335c6f7fa72d15bb89ff4f7113fc2e671bd1c0820aa788024cfc067f