[INFO] crate backtracking_iterator 0.4.4 is already in cache [INFO] extracting crate backtracking_iterator 0.4.4 into work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/backtracking_iterator/0.4.4 [INFO] extracting crate backtracking_iterator 0.4.4 into work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/backtracking_iterator/0.4.4 [INFO] validating manifest of backtracking_iterator-0.4.4 on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of backtracking_iterator-0.4.4 on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing backtracking_iterator-0.4.4 [INFO] finished frobbing backtracking_iterator-0.4.4 [INFO] frobbed toml for backtracking_iterator-0.4.4 written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/backtracking_iterator/0.4.4/Cargo.toml [INFO] started frobbing backtracking_iterator-0.4.4 [INFO] finished frobbing backtracking_iterator-0.4.4 [INFO] frobbed toml for backtracking_iterator-0.4.4 written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/backtracking_iterator/0.4.4/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking backtracking_iterator-0.4.4 against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-4/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/backtracking_iterator/0.4.4:/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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] db3c35b4f118594c6fefe24561cad326c6b57ab4e29ea9a234962b2e6f0fd2fa [INFO] running `"docker" "start" "-a" "db3c35b4f118594c6fefe24561cad326c6b57ab4e29ea9a234962b2e6f0fd2fa"` [INFO] [stderr] Checking backtracking_iterator v0.4.4 (/opt/crater/workdir) [INFO] [stderr] warning: the item `Backtracking` is imported redundantly [INFO] [stderr] --> src/copying.rs:38:17 [INFO] [stderr] | [INFO] [stderr] 23 | use super::BacktrackingState::*; [INFO] [stderr] | --------------------------- the item `Backtracking` is already imported here [INFO] [stderr] ... [INFO] [stderr] 38 | use crate::{Backtracking, Progressing}; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the item `Progressing` is imported redundantly [INFO] [stderr] --> src/copying.rs:38:31 [INFO] [stderr] | [INFO] [stderr] 23 | use super::BacktrackingState::*; [INFO] [stderr] | --------------------------- the item `Progressing` is already imported here [INFO] [stderr] ... [INFO] [stderr] 38 | use crate::{Backtracking, Progressing}; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the item `Backtracking` is imported redundantly [INFO] [stderr] --> src/referencing.rs:57:17 [INFO] [stderr] | [INFO] [stderr] 23 | use super::BacktrackingState::*; [INFO] [stderr] | --------------------------- the item `Backtracking` is already imported here [INFO] [stderr] ... [INFO] [stderr] 57 | use crate::{Backtracking, Progressing}; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the item `Progressing` is imported redundantly [INFO] [stderr] --> src/referencing.rs:57:31 [INFO] [stderr] | [INFO] [stderr] 23 | use super::BacktrackingState::*; [INFO] [stderr] | --------------------------- the item `Progressing` is already imported here [INFO] [stderr] ... [INFO] [stderr] 57 | use crate::{Backtracking, Progressing}; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `BacktrackingState` [INFO] [stderr] --> src/concurrent.rs:22:13 [INFO] [stderr] | [INFO] [stderr] 22 | use super::{BacktrackingState, BacktrackingIterator}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Backtracking`, `Progressing` [INFO] [stderr] --> src/concurrent.rs:72:17 [INFO] [stderr] | [INFO] [stderr] 72 | use crate::{Backtracking, Progressing}; [INFO] [stderr] | ^^^^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Backtracking`, `Progressing` [INFO] [stderr] --> src/concurrent.rs:140:17 [INFO] [stderr] | [INFO] [stderr] 140 | use crate::{Backtracking, Progressing}; [INFO] [stderr] | ^^^^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the item `Backtracking` is imported redundantly [INFO] [stderr] --> src/copying.rs:38:17 [INFO] [stderr] | [INFO] [stderr] 23 | use super::BacktrackingState::*; [INFO] [stderr] | --------------------------- the item `Backtracking` is already imported here [INFO] [stderr] ... [INFO] [stderr] 38 | use crate::{Backtracking, Progressing}; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the item `Progressing` is imported redundantly [INFO] [stderr] --> src/copying.rs:38:31 [INFO] [stderr] | [INFO] [stderr] 23 | use super::BacktrackingState::*; [INFO] [stderr] | --------------------------- the item `Progressing` is already imported here [INFO] [stderr] ... [INFO] [stderr] 38 | use crate::{Backtracking, Progressing}; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the item `Backtracking` is imported redundantly [INFO] [stderr] --> src/referencing.rs:57:17 [INFO] [stderr] | [INFO] [stderr] 23 | use super::BacktrackingState::*; [INFO] [stderr] | --------------------------- the item `Backtracking` is already imported here [INFO] [stderr] ... [INFO] [stderr] 57 | use crate::{Backtracking, Progressing}; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the item `Progressing` is imported redundantly [INFO] [stderr] --> src/referencing.rs:57:31 [INFO] [stderr] | [INFO] [stderr] 23 | use super::BacktrackingState::*; [INFO] [stderr] | --------------------------- the item `Progressing` is already imported here [INFO] [stderr] ... [INFO] [stderr] 57 | use crate::{Backtracking, Progressing}; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `BacktrackingState` [INFO] [stderr] --> src/concurrent.rs:22:13 [INFO] [stderr] | [INFO] [stderr] 22 | use super::{BacktrackingState, BacktrackingIterator}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Backtracking`, `Progressing` [INFO] [stderr] --> src/concurrent.rs:72:17 [INFO] [stderr] | [INFO] [stderr] 72 | use crate::{Backtracking, Progressing}; [INFO] [stderr] | ^^^^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Backtracking`, `Progressing` [INFO] [stderr] --> src/concurrent.rs:140:17 [INFO] [stderr] | [INFO] [stderr] 140 | use crate::{Backtracking, Progressing}; [INFO] [stderr] | ^^^^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.13s [INFO] running `"docker" "inspect" "db3c35b4f118594c6fefe24561cad326c6b57ab4e29ea9a234962b2e6f0fd2fa"` [INFO] running `"docker" "rm" "-f" "db3c35b4f118594c6fefe24561cad326c6b57ab4e29ea9a234962b2e6f0fd2fa"` [INFO] [stdout] db3c35b4f118594c6fefe24561cad326c6b57ab4e29ea9a234962b2e6f0fd2fa