[INFO] fetching crate minigrep_study 0.1.0...
[INFO] testing minigrep_study-0.1.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate minigrep_study 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate minigrep_study 0.1.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate minigrep_study 0.1.0
[INFO] finished tweaking crates.io crate minigrep_study 0.1.0
[INFO] tweaked toml for crates.io crate minigrep_study 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate minigrep_study 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 293483d6992db13055db36b68999e5f75e4d58987bf338918a9bf14b95b9a882
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "293483d6992db13055db36b68999e5f75e4d58987bf338918a9bf14b95b9a882", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "293483d6992db13055db36b68999e5f75e4d58987bf338918a9bf14b95b9a882", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "293483d6992db13055db36b68999e5f75e4d58987bf338918a9bf14b95b9a882", kill_on_drop: false }`
[INFO] [stdout] 293483d6992db13055db36b68999e5f75e4d58987bf338918a9bf14b95b9a882
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=forbid" "-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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b0decca62bb7b284e2e28a8e45dbe36928e893c551f41e2a9a6724501b97f69f
[INFO] running `Command { std: "docker" "start" "-a" "b0decca62bb7b284e2e28a8e45dbe36928e893c551f41e2a9a6724501b97f69f", kill_on_drop: false }`
[INFO] [stderr]    Compiling minigrep_study v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `core::fmt`
[INFO] [stdout]  --> src/example/study_iter.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::fmt;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::option`
[INFO] [stdout]  --> src/example/study_iter.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::option;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Shoe`, `generate_workout`, `shoe_in_my_size`
[INFO] [stdout]  --> src/main.rs:2:34
[INFO] [stdout]   |
[INFO] [stdout] 2 | use minigrep_study::{run, Config,generate_workout,shoe_in_my_size,Counter,Shoe};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "b0decca62bb7b284e2e28a8e45dbe36928e893c551f41e2a9a6724501b97f69f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0decca62bb7b284e2e28a8e45dbe36928e893c551f41e2a9a6724501b97f69f", kill_on_drop: false }`
[INFO] [stdout] b0decca62bb7b284e2e28a8e45dbe36928e893c551f41e2a9a6724501b97f69f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=forbid" "-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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9196e39960e5220dad2f2668fefc69a152675c8fba19ac8bf86db565568a47b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f9196e39960e5220dad2f2668fefc69a152675c8fba19ac8bf86db565568a47b", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `core::fmt`
[INFO] [stdout]  --> src/example/study_iter.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::fmt;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling minigrep_study v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::option`
[INFO] [stdout]  --> src/example/study_iter.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::option;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Shoe`, `generate_workout`, `shoe_in_my_size`
[INFO] [stdout]  --> src/main.rs:2:34
[INFO] [stdout]   |
[INFO] [stdout] 2 | use minigrep_study::{run, Config,generate_workout,shoe_in_my_size,Counter,Shoe};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::fmt`
[INFO] [stdout]  --> src/example/study_iter.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::fmt;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::option`
[INFO] [stdout]  --> src/example/study_iter.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::option;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "f9196e39960e5220dad2f2668fefc69a152675c8fba19ac8bf86db565568a47b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9196e39960e5220dad2f2668fefc69a152675c8fba19ac8bf86db565568a47b", kill_on_drop: false }`
[INFO] [stdout] f9196e39960e5220dad2f2668fefc69a152675c8fba19ac8bf86db565568a47b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=forbid" "-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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c527ecfe29ed996b4045402dc275f13f3e6da508702755259754a65234acb551
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c527ecfe29ed996b4045402dc275f13f3e6da508702755259754a65234acb551", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `core::fmt`
[INFO] [stderr]  --> src/example/study_iter.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use core::fmt;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::option`
[INFO] [stderr]  --> src/example/study_iter.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::option;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `core::fmt`
[INFO] [stderr]  --> src/example/study_iter.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use core::fmt;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::option`
[INFO] [stderr]  --> src/example/study_iter.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::option;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Shoe`, `generate_workout`, `shoe_in_my_size`
[INFO] [stderr]  --> src/main.rs:2:34
[INFO] [stderr]   |
[INFO] [stderr] 2 | use minigrep_study::{run, Config,generate_workout,shoe_in_my_size,Counter,Shoe};
[INFO] [stderr]   |                                  ^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^         ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/minigrep_study-bd65234b1eb013ff)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test example::closure::tests::call_with_different_values ... ok
[INFO] [stdout] test example::study_iter::test_counter ... ok
[INFO] [stdout] test example::iter::test_advanced_abstract ... ok
[INFO] [stdout] test example::study_iter::filters_by_size ... ok
[INFO] [stdout] test tests::case_insensitive ... ok
[INFO] [stdout] test tests::case_sensitive ... ok
[INFO] [stdout] test example::study_iter::using_other_iterator_trait_methods ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/minigrep_study-c253e15b9f4a8d66)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests minigrep_study
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/example/iter.rs - example::iter::advanced_abstract (line 8) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/example/iter.rs - example::iter::advanced_abstract (line 8) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `minigrep`
[INFO] [stdout]  --> src/example/iter.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | let arr = minigrep::example::iter::advanced_abstract();
[INFO] [stdout]   |           ^^^^^^^^ use of undeclared crate or module `minigrep`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/example/iter.rs - example::iter::advanced_abstract (line 8)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "c527ecfe29ed996b4045402dc275f13f3e6da508702755259754a65234acb551", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c527ecfe29ed996b4045402dc275f13f3e6da508702755259754a65234acb551", kill_on_drop: false }`
[INFO] [stdout] c527ecfe29ed996b4045402dc275f13f3e6da508702755259754a65234acb551