[INFO] fetching crate rs_quickcheck_util 0.1.1...
[INFO] testing rs_quickcheck_util-0.1.1 against 1.75.0 for beta-1.76-1
[INFO] extracting crate rs_quickcheck_util 0.1.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate rs_quickcheck_util 0.1.1 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rs_quickcheck_util 0.1.1
[INFO] finished tweaking crates.io crate rs_quickcheck_util 0.1.1
[INFO] tweaked toml for crates.io crate rs_quickcheck_util 0.1.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd046f8a2587deaf6645e84f8a6115c758c05eb65021d5b6d9e07fb49faa4c54
[INFO] running `Command { std: "docker" "start" "-a" "bd046f8a2587deaf6645e84f8a6115c758c05eb65021d5b6d9e07fb49faa4c54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd046f8a2587deaf6645e84f8a6115c758c05eb65021d5b6d9e07fb49faa4c54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd046f8a2587deaf6645e84f8a6115c758c05eb65021d5b6d9e07fb49faa4c54", kill_on_drop: false }`
[INFO] [stdout] bd046f8a2587deaf6645e84f8a6115c758c05eb65021d5b6d9e07fb49faa4c54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45b6d909299be66e35dfd853d3a8666bac494e34c3328e23234d8d879835da61
[INFO] running `Command { std: "docker" "start" "-a" "45b6d909299be66e35dfd853d3a8666bac494e34c3328e23234d8d879835da61", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling quickcheck v1.0.3
[INFO] [stderr]    Compiling rs_quickcheck_util v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::shrink_field::*`
[INFO] [stdout]  --> src/lib.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use self::shrink_field::*;
[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 3.61s
[INFO] running `Command { std: "docker" "inspect" "45b6d909299be66e35dfd853d3a8666bac494e34c3328e23234d8d879835da61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45b6d909299be66e35dfd853d3a8666bac494e34c3328e23234d8d879835da61", kill_on_drop: false }`
[INFO] [stdout] 45b6d909299be66e35dfd853d3a8666bac494e34c3328e23234d8d879835da61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 982d5bdcac36a21e7f4c2c75603aa692af30fa9fee9213ce1b57a50ac6e5ef49
[INFO] running `Command { std: "docker" "start" "-a" "982d5bdcac36a21e7f4c2c75603aa692af30fa9fee9213ce1b57a50ac6e5ef49", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.75
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stdout] warning: unused import: `self::shrink_field::*`
[INFO] [stdout]  --> src/lib.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use self::shrink_field::*;
[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]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling quickcheck_macros v1.0.0
[INFO] [stderr]    Compiling rs_quickcheck_util v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::shrink_field::*`
[INFO] [stdout]  --> src/lib.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use self::shrink_field::*;
[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 test [unoptimized + debuginfo] target(s) in 4.20s
[INFO] running `Command { std: "docker" "inspect" "982d5bdcac36a21e7f4c2c75603aa692af30fa9fee9213ce1b57a50ac6e5ef49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "982d5bdcac36a21e7f4c2c75603aa692af30fa9fee9213ce1b57a50ac6e5ef49", kill_on_drop: false }`
[INFO] [stdout] 982d5bdcac36a21e7f4c2c75603aa692af30fa9fee9213ce1b57a50ac6e5ef49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] adb6710e61043b1c6883b434991e7b8775d93f1997132c53036287c59c0c9dcd
[INFO] running `Command { std: "docker" "start" "-a" "adb6710e61043b1c6883b434991e7b8775d93f1997132c53036287c59c0c9dcd", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `self::shrink_field::*`
[INFO] [stderr]  --> src/lib.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub use self::shrink_field::*;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rs_quickcheck_util` (lib) generated 1 warning (run `cargo fix --lib -p rs_quickcheck_util` to apply 1 suggestion)
[INFO] [stderr] warning: `rs_quickcheck_util` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rs_quickcheck_util-1da2182f2ccdf805)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test shrink_field::tests::shrink_simple_field ... ok
[INFO] [stdout] test gen_bytes::tests::both_included ... ok
[INFO] [stdout] test gen_bytes::tests::left_included_right_excluded ... ok
[INFO] [stdout] test shrink_field::tests::shrink_map ... ok
[INFO] [stdout] test unshrinkable::tests::unshrinkable ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.17s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rs_quickcheck_util
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/unshrinkable.rs - unshrinkable::Unshrinkable (line 10) ... FAILED
[INFO] [stdout] test src/shrink_field.rs - shrink_field::shrink_a_field (line 3) ... FAILED
[INFO] [stdout] test src/shrink_field.rs - shrink_field::shrink_a_field (line 16) ... FAILED
[INFO] [stdout] test src/shrink_field.rs - shrink_field::shrink_a_field (line 22) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/unshrinkable.rs - unshrinkable::Unshrinkable (line 10) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `xs` in this scope
[INFO] [stdout]  --> src/unshrinkable.rs:11:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | let ys: Vec<_> = xs.into_iter() // xs is of type Vec<T>
[INFO] [stdout]   |                  ^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Unshrinkable`
[INFO] [stdout]  --> src/unshrinkable.rs:12:14
[INFO] [stdout]   |
[INFO] [stdout] 4 |     .map(|x| Unshrinkable::new(x))
[INFO] [stdout]   |              ^^^^^^^^^^^^ use of undeclared type `Unshrinkable`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use rs_quickcheck_util::Unshrinkable;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `T` in this scope
[INFO] [stdout]  --> src/unshrinkable.rs:15:62
[INFO] [stdout]   |
[INFO] [stdout] 7 |     .map(|ys| ys.into_iter().map(|y| y.take()).collect::<Vec<T>>());
[INFO] [stdout]   |                                                              ^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_unshrinkable_rs_10_0<T>() {
[INFO] [stdout]   |                                                                               +++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/shrink_field.rs - shrink_field::shrink_a_field (line 3) stdout ----
[INFO] [stdout] error[E0412]: cannot find type `A` in this scope
[INFO] [stdout]  --> src/shrink_field.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 4 |     a: A,
[INFO] [stdout]   |        ^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct T<A> {
[INFO] [stdout]   |         +++
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `B` in this scope
[INFO] [stdout]  --> src/shrink_field.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 5 |     b: B,
[INFO] [stdout]   |        ^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct T<B> {
[INFO] [stdout]   |         +++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0412`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/shrink_field.rs - shrink_field::shrink_a_field (line 16) stdout ----
[INFO] [stdout] error[E0412]: cannot find type `BTreeMap` in this scope
[INFO] [stdout]  --> src/shrink_field.rs:18:8
[INFO] [stdout]   |
[INFO] [stdout] 4 |     m: BTreeMap<String, usize>,
[INFO] [stdout]   |        ^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use std::collections::BTreeMap;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0412`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/shrink_field.rs - shrink_field::shrink_a_field (line 22) stdout ----
[INFO] [stdout] error: cannot find macro `shrink_a_field` in this scope
[INFO] [stdout]  --> src/shrink_field.rs:23:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | shrink_a_field!(t, m, |x: &usize| -> String {format!("{}", x)})
[INFO] [stdout]   | ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]   |
[INFO] [stdout] 2 + use rs_quickcheck_util::shrink_a_field;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/shrink_field.rs - shrink_field::shrink_a_field (line 16)
[INFO] [stdout]     src/shrink_field.rs - shrink_field::shrink_a_field (line 22)
[INFO] [stdout]     src/shrink_field.rs - shrink_field::shrink_a_field (line 3)
[INFO] [stdout]     src/unshrinkable.rs - unshrinkable::Unshrinkable (line 10)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "adb6710e61043b1c6883b434991e7b8775d93f1997132c53036287c59c0c9dcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adb6710e61043b1c6883b434991e7b8775d93f1997132c53036287c59c0c9dcd", kill_on_drop: false }`
[INFO] [stdout] adb6710e61043b1c6883b434991e7b8775d93f1997132c53036287c59c0c9dcd
