[INFO] updating cached repository Idolf/syscall-challenge
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Idolf/syscall-challenge
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Idolf/syscall-challenge" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/Idolf/syscall-challenge"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/Idolf/syscall-challenge'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Idolf/syscall-challenge" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/Idolf/syscall-challenge"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/Idolf/syscall-challenge'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ec63f361e67560791d5209106eeac6ea40df8023
[INFO] sha for GitHub repo Idolf/syscall-challenge: ec63f361e67560791d5209106eeac6ea40df8023
[INFO] validating manifest of Idolf/syscall-challenge on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Idolf/syscall-challenge on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Idolf/syscall-challenge
[INFO] finished frobbing Idolf/syscall-challenge
[INFO] frobbed toml for Idolf/syscall-challenge written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/Idolf/syscall-challenge/Cargo.toml
[INFO] started frobbing Idolf/syscall-challenge
[INFO] finished frobbing Idolf/syscall-challenge
[INFO] frobbed toml for Idolf/syscall-challenge written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/Idolf/syscall-challenge/Cargo.toml
[INFO] crate Idolf/syscall-challenge already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Idolf/syscall-challenge against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-4/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/Idolf/syscall-challenge:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a36edf0a34d162285337990f01250ed18636d4a147a85eba078c9bf2f7785834
[INFO] running `"docker" "start" "-a" "a36edf0a34d162285337990f01250ed18636d4a147a85eba078c9bf2f7785834"`
[INFO] [stderr]     Checking libc v0.2.20 (https://github.com/rust-lang/libc#bce927b3)
[INFO] [stderr]     Checking bincode v0.6.1
[INFO] [stderr]     Checking uuid v0.3.1
[INFO] [stderr]     Checking nix v0.8.0 (https://github.com/Idolf/nix.git?branch=ptrace-stuff#65f0d512)
[INFO] [stderr]     Checking ipc-channel v0.6.0
[INFO] [stderr]     Checking syscall-challenge v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.45s
[INFO] running `"docker" "inspect" "a36edf0a34d162285337990f01250ed18636d4a147a85eba078c9bf2f7785834"`
[INFO] running `"docker" "rm" "-f" "a36edf0a34d162285337990f01250ed18636d4a147a85eba078c9bf2f7785834"`
[INFO] [stdout] a36edf0a34d162285337990f01250ed18636d4a147a85eba078c9bf2f7785834