[INFO] fetching crate backtracking_iterator 0.4.4...
[INFO] testing backtracking_iterator-0.4.4 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate backtracking_iterator 0.4.4 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate backtracking_iterator 0.4.4 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate backtracking_iterator 0.4.4
[INFO] finished tweaking crates.io crate backtracking_iterator 0.4.4
[INFO] tweaked toml for crates.io crate backtracking_iterator 0.4.4 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40d6857fde0f9f4b93b3948e0e4b8c1c72f02fee4730e357d9245dad9e262667
[INFO] running `Command { std: "docker" "start" "-a" "40d6857fde0f9f4b93b3948e0e4b8c1c72f02fee4730e357d9245dad9e262667", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40d6857fde0f9f4b93b3948e0e4b8c1c72f02fee4730e357d9245dad9e262667", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40d6857fde0f9f4b93b3948e0e4b8c1c72f02fee4730e357d9245dad9e262667", kill_on_drop: false }`
[INFO] [stdout] 40d6857fde0f9f4b93b3948e0e4b8c1c72f02fee4730e357d9245dad9e262667
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 611d17d49b06525a390abed85ef4a588d510ce00773d0def782778d2478342a1
[INFO] running `Command { std: "docker" "start" "-a" "611d17d49b06525a390abed85ef4a588d510ce00773d0def782778d2478342a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling backtracking_iterator v0.4.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Backtracking` is imported redundantly
[INFO] [stdout]   --> src/copying.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 23 | use super::BacktrackingState::*;
[INFO] [stdout]    |     --------------------------- the item `Backtracking` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 38 |     use crate::{Backtracking, Progressing};
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Progressing` is imported redundantly
[INFO] [stdout]   --> src/copying.rs:38:31
[INFO] [stdout]    |
[INFO] [stdout] 23 | use super::BacktrackingState::*;
[INFO] [stdout]    |     --------------------------- the item `Progressing` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 38 |     use crate::{Backtracking, Progressing};
[INFO] [stdout]    |                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Backtracking` is imported redundantly
[INFO] [stdout]   --> src/referencing.rs:57:17
[INFO] [stdout]    |
[INFO] [stdout] 23 | use super::BacktrackingState::*;
[INFO] [stdout]    |     --------------------------- the item `Backtracking` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 57 |     use crate::{Backtracking, Progressing};
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Progressing` is imported redundantly
[INFO] [stdout]   --> src/referencing.rs:57:31
[INFO] [stdout]    |
[INFO] [stdout] 23 | use super::BacktrackingState::*;
[INFO] [stdout]    |     --------------------------- the item `Progressing` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 57 |     use crate::{Backtracking, Progressing};
[INFO] [stdout]    |                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BacktrackingState`
[INFO] [stdout]   --> src/concurrent.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 | use super::{BacktrackingState, BacktrackingIterator};
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Backtracking`, `Progressing`
[INFO] [stdout]   --> src/concurrent.rs:72:17
[INFO] [stdout]    |
[INFO] [stdout] 72 |     use crate::{Backtracking, Progressing};
[INFO] [stdout]    |                 ^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Backtracking`, `Progressing`
[INFO] [stdout]    --> src/concurrent.rs:140:17
[INFO] [stdout]     |
[INFO] [stdout] 140 |     use crate::{Backtracking, Progressing};
[INFO] [stdout]     |                 ^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "611d17d49b06525a390abed85ef4a588d510ce00773d0def782778d2478342a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "611d17d49b06525a390abed85ef4a588d510ce00773d0def782778d2478342a1", kill_on_drop: false }`
[INFO] [stdout] 611d17d49b06525a390abed85ef4a588d510ce00773d0def782778d2478342a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02bc1cfabc97736aee8ddb0385210d79ceffbc8f5ec4cb7a3f0796cc0af6c139
[INFO] running `Command { std: "docker" "start" "-a" "02bc1cfabc97736aee8ddb0385210d79ceffbc8f5ec4cb7a3f0796cc0af6c139", kill_on_drop: false }`
[INFO] [stderr]    Compiling backtracking_iterator v0.4.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Backtracking` is imported redundantly
[INFO] [stdout]   --> src/copying.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 23 | use super::BacktrackingState::*;
[INFO] [stdout]    |     --------------------------- the item `Backtracking` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 38 |     use crate::{Backtracking, Progressing};
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Progressing` is imported redundantly
[INFO] [stdout]   --> src/copying.rs:38:31
[INFO] [stdout]    |
[INFO] [stdout] 23 | use super::BacktrackingState::*;
[INFO] [stdout]    |     --------------------------- the item `Progressing` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 38 |     use crate::{Backtracking, Progressing};
[INFO] [stdout]    |                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Backtracking` is imported redundantly
[INFO] [stdout]   --> src/referencing.rs:57:17
[INFO] [stdout]    |
[INFO] [stdout] 23 | use super::BacktrackingState::*;
[INFO] [stdout]    |     --------------------------- the item `Backtracking` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 57 |     use crate::{Backtracking, Progressing};
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Progressing` is imported redundantly
[INFO] [stdout]   --> src/referencing.rs:57:31
[INFO] [stdout]    |
[INFO] [stdout] 23 | use super::BacktrackingState::*;
[INFO] [stdout]    |     --------------------------- the item `Progressing` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 57 |     use crate::{Backtracking, Progressing};
[INFO] [stdout]    |                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BacktrackingState`
[INFO] [stdout]   --> src/concurrent.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 | use super::{BacktrackingState, BacktrackingIterator};
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Backtracking`, `Progressing`
[INFO] [stdout]   --> src/concurrent.rs:72:17
[INFO] [stdout]    |
[INFO] [stdout] 72 |     use crate::{Backtracking, Progressing};
[INFO] [stdout]    |                 ^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Backtracking`, `Progressing`
[INFO] [stdout]    --> src/concurrent.rs:140:17
[INFO] [stdout]     |
[INFO] [stdout] 140 |     use crate::{Backtracking, Progressing};
[INFO] [stdout]     |                 ^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Backtracking` is imported redundantly
[INFO] [stdout]   --> src/copying.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 23 | use super::BacktrackingState::*;
[INFO] [stdout]    |     --------------------------- the item `Backtracking` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 38 |     use crate::{Backtracking, Progressing};
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Progressing` is imported redundantly
[INFO] [stdout]   --> src/copying.rs:38:31
[INFO] [stdout]    |
[INFO] [stdout] 23 | use super::BacktrackingState::*;
[INFO] [stdout]    |     --------------------------- the item `Progressing` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 38 |     use crate::{Backtracking, Progressing};
[INFO] [stdout]    |                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Backtracking` is imported redundantly
[INFO] [stdout]   --> src/referencing.rs:57:17
[INFO] [stdout]    |
[INFO] [stdout] 23 | use super::BacktrackingState::*;
[INFO] [stdout]    |     --------------------------- the item `Backtracking` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 57 |     use crate::{Backtracking, Progressing};
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Progressing` is imported redundantly
[INFO] [stdout]   --> src/referencing.rs:57:31
[INFO] [stdout]    |
[INFO] [stdout] 23 | use super::BacktrackingState::*;
[INFO] [stdout]    |     --------------------------- the item `Progressing` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 57 |     use crate::{Backtracking, Progressing};
[INFO] [stdout]    |                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BacktrackingState`
[INFO] [stdout]   --> src/concurrent.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 | use super::{BacktrackingState, BacktrackingIterator};
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Backtracking`, `Progressing`
[INFO] [stdout]   --> src/concurrent.rs:72:17
[INFO] [stdout]    |
[INFO] [stdout] 72 |     use crate::{Backtracking, Progressing};
[INFO] [stdout]    |                 ^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Backtracking`, `Progressing`
[INFO] [stdout]    --> src/concurrent.rs:140:17
[INFO] [stdout]     |
[INFO] [stdout] 140 |     use crate::{Backtracking, Progressing};
[INFO] [stdout]     |                 ^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/concurrent.rs:209:26
[INFO] [stdout]     |
[INFO] [stdout] 209 |     struct Uncloneable {};
[INFO] [stdout]     |                          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "02bc1cfabc97736aee8ddb0385210d79ceffbc8f5ec4cb7a3f0796cc0af6c139", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02bc1cfabc97736aee8ddb0385210d79ceffbc8f5ec4cb7a3f0796cc0af6c139", kill_on_drop: false }`
[INFO] [stdout] 02bc1cfabc97736aee8ddb0385210d79ceffbc8f5ec4cb7a3f0796cc0af6c139
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c02b58356f4a350f84e8ca1de6ce731fe29ecd5f84094b66c085e536badabc2c
[INFO] running `Command { std: "docker" "start" "-a" "c02b58356f4a350f84e8ca1de6ce731fe29ecd5f84094b66c085e536badabc2c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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: `backtracking_iterator` (lib) generated 7 warnings
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/concurrent.rs:209:26
[INFO] [stderr]     |
[INFO] [stderr] 209 |     struct Uncloneable {};
[INFO] [stderr]     |                          ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `backtracking_iterator` (lib test) generated 8 warnings (7 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/backtracking_iterator-32be56ccdce714b2)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test concurrent::tests::dont_need_clone_test ... ok
[INFO] [stdout] test tests::backwalk_test ... ok
[INFO] [stdout] test tests::basic_test ... ok
[INFO] [stdout] test concurrent::tests::many_iter_clone_test ... ok
[INFO] [stdout] test concurrent::tests::many_iter_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests backtracking_iterator
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/traits.rs - traits::Walkbackable::walk_back (line 155) ... ok
[INFO] [stdout] test src/traits.rs - traits::BacktrackingIterator::backtrack (line 77) ... ok
[INFO] [stdout] test src/traits.rs - traits::Record::forget (line 36) ... ok
[INFO] [stdout] test src/record.rs - record::BacktrackingRecorder<Iter>::into_iter (line 83) ... ok
[INFO] [stdout] test src/traits.rs - traits::BacktrackingIterator::peek (line 121) ... ok
[INFO] [stdout] test src/traits.rs - traits::BacktrackingIterator::start_again (line 101) ... ok
[INFO] [stdout] test src/record.rs - record::BacktrackingRecorder<Iter>::drain_history (line 53) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.44s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c02b58356f4a350f84e8ca1de6ce731fe29ecd5f84094b66c085e536badabc2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c02b58356f4a350f84e8ca1de6ce731fe29ecd5f84094b66c085e536badabc2c", kill_on_drop: false }`
[INFO] [stdout] c02b58356f4a350f84e8ca1de6ce731fe29ecd5f84094b66c085e536badabc2c
