[INFO] cloning repository kenan-rhoton/rusthammer
[INFO] running `"git" "clone" "--bare" "git://github.com/kenan-rhoton/rusthammer.git" "work/cache/sources/gh/kenan-rhoton/rusthammer"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/kenan-rhoton/rusthammer'...
[INFO] running `"git" "clone" "work/cache/sources/gh/kenan-rhoton/rusthammer" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/kenan-rhoton/rusthammer"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/kenan-rhoton/rusthammer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kenan-rhoton/rusthammer" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/kenan-rhoton/rusthammer"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/kenan-rhoton/rusthammer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] da044ada1adcb776d998b4a0a2521aeb2d494047
[INFO] sha for GitHub repo kenan-rhoton/rusthammer: da044ada1adcb776d998b4a0a2521aeb2d494047
[INFO] validating manifest of kenan-rhoton/rusthammer on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of kenan-rhoton/rusthammer on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing kenan-rhoton/rusthammer
[INFO] finished frobbing kenan-rhoton/rusthammer
[INFO] frobbed toml for kenan-rhoton/rusthammer written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/kenan-rhoton/rusthammer/Cargo.toml
[INFO] started frobbing kenan-rhoton/rusthammer
[INFO] finished frobbing kenan-rhoton/rusthammer
[INFO] frobbed toml for kenan-rhoton/rusthammer written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/kenan-rhoton/rusthammer/Cargo.toml
[INFO] crate kenan-rhoton/rusthammer already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking kenan-rhoton/rusthammer against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-2/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/kenan-rhoton/rusthammer:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 25852c085a43b02424e91cb902a7134aaca90eb985c4ded69d79d67a5b314887
[INFO] running `"docker" "start" "-a" "25852c085a43b02424e91cb902a7134aaca90eb985c4ded69d79d67a5b314887"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.62
[INFO] [stderr]     Checking assert_approx_eq v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.62
[INFO] [stderr]     Checking serde_json v1.0.18
[INFO] [stderr]     Checking hammer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/units/mod.rs:300:61
[INFO] [stderr]     |
[INFO] [stderr] 300 |     pub fn from_file(filename : String) -> Result<Unit, Box<std::error::Error>> {
[INFO] [stderr]     |                                                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[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/units/mod.rs:300:61
[INFO] [stderr]     |
[INFO] [stderr] 300 |     pub fn from_file(filename : String) -> Result<Unit, Box<std::error::Error>> {
[INFO] [stderr]     |                                                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.49s
[INFO] running `"docker" "inspect" "25852c085a43b02424e91cb902a7134aaca90eb985c4ded69d79d67a5b314887"`
[INFO] running `"docker" "rm" "-f" "25852c085a43b02424e91cb902a7134aaca90eb985c4ded69d79d67a5b314887"`
[INFO] [stdout] 25852c085a43b02424e91cb902a7134aaca90eb985c4ded69d79d67a5b314887