[INFO] crate cntr-nix 0.11.3-pre1 is already in cache
[INFO] extracting crate cntr-nix 0.11.3-pre1 into work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/reg/cntr-nix/0.11.3-pre1
[INFO] extracting crate cntr-nix 0.11.3-pre1 into work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/reg/cntr-nix/0.11.3-pre1
[INFO] validating manifest of cntr-nix-0.11.3-pre1 on toolchain master#589beb979c0f1a9736e02e578913db88398c3ba5
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cntr-nix-0.11.3-pre1 on toolchain try#42445ded8fd34235a676755cb5d079658ed51f6a
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cntr-nix-0.11.3-pre1
[INFO] removed 0 missing tests
[INFO] finished frobbing cntr-nix-0.11.3-pre1
[INFO] frobbed toml for cntr-nix-0.11.3-pre1 written to work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/reg/cntr-nix/0.11.3-pre1/Cargo.toml
[INFO] started frobbing cntr-nix-0.11.3-pre1
[INFO] removed 0 missing tests
[INFO] finished frobbing cntr-nix-0.11.3-pre1
[INFO] frobbed toml for cntr-nix-0.11.3-pre1 written to work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/reg/cntr-nix/0.11.3-pre1/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] checking cntr-nix-0.11.3-pre1 against master#589beb979c0f1a9736e02e578913db88398c3ba5 for pr-60944
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60944/worker-2/master#589beb979c0f1a9736e02e578913db88398c3ba5:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/reg/cntr-nix/0.11.3-pre1:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c0c3d99765d697eae68e0a02d3733b35ca8e40994fd0d8162fe1372c1725b8a1
[INFO] running `"docker" "start" "-a" "c0c3d99765d697eae68e0a02d3733b35ca8e40994fd0d8162fe1372c1725b8a1"`
[INFO] [stderr]    Compiling cntr-nix v0.11.3-pre1 (/opt/crater/workdir)
[INFO] [stderr] error: the item `libc` is imported redundantly
[INFO] [stderr]   --> src/mount.rs:64:9
[INFO] [stderr]    |
[INFO] [stderr] 2  | use libc;
[INFO] [stderr]    |     ---- the item `libc` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 64 |     use libc;
[INFO] [stderr]    |         ^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 | #![deny(unused)]
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    = note: #[deny(unused_imports)] implied by #[deny(unused)]
[INFO] [stderr] 
[INFO] [stderr] error: the item `ptr` is imported redundantly
[INFO] [stderr]    --> src/sys/ptrace.rs:216:9
[INFO] [stderr]     |
[INFO] [stderr] 3   | use std::{mem, ptr};
[INFO] [stderr]     |                --- the item `ptr` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 216 |     use std::ptr;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `libc` is imported redundantly
[INFO] [stderr]     --> src/unistd.rs:1127:9
[INFO] [stderr]      |
[INFO] [stderr] 7    | use libc::{self, c_char, c_void, c_int, c_long, c_uint, size_t, pid_t,
[INFO] [stderr]      |            ---- the item `libc` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 1127 |     use libc;
[INFO] [stderr]      |         ^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `libc` is imported redundantly
[INFO] [stderr]   --> src/mount.rs:64:9
[INFO] [stderr]    |
[INFO] [stderr] 2  | use libc;
[INFO] [stderr]    |     ---- the item `libc` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 64 |     use libc;
[INFO] [stderr]    |         ^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 | #![deny(unused)]
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    = note: #[deny(unused_imports)] implied by #[deny(unused)]
[INFO] [stderr] 
[INFO] [stderr] error: the item `ptr` is imported redundantly
[INFO] [stderr]    --> src/sys/ptrace.rs:216:9
[INFO] [stderr]     |
[INFO] [stderr] 3   | use std::{mem, ptr};
[INFO] [stderr]     |                --- the item `ptr` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 216 |     use std::ptr;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `libc` is imported redundantly
[INFO] [stderr]     --> src/unistd.rs:1127:9
[INFO] [stderr]      |
[INFO] [stderr] 7    | use libc::{self, c_char, c_void, c_int, c_long, c_uint, size_t, pid_t,
[INFO] [stderr]      |            ---- the item `libc` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 1127 |     use libc;
[INFO] [stderr]      |         ^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `cntr-nix`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `cntr-nix`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "c0c3d99765d697eae68e0a02d3733b35ca8e40994fd0d8162fe1372c1725b8a1"`
[INFO] running `"docker" "rm" "-f" "c0c3d99765d697eae68e0a02d3733b35ca8e40994fd0d8162fe1372c1725b8a1"`
[INFO] [stdout] c0c3d99765d697eae68e0a02d3733b35ca8e40994fd0d8162fe1372c1725b8a1