[INFO] fetching crate prae 0.8.4...
[INFO] testing prae-0.8.4 against 1.75.0 for beta-1.76-1
[INFO] extracting crate prae 0.8.4 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate prae 0.8.4 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 prae 0.8.4
[INFO] finished tweaking crates.io crate prae 0.8.4
[INFO] tweaked toml for crates.io crate prae 0.8.4 written to /workspace/builds/worker-4-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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e84d243a925ce6d1aa036ea604c4dd1bca88a77bc1cc3dbfa8e461b8b8f10c43
[INFO] running `Command { std: "docker" "start" "-a" "e84d243a925ce6d1aa036ea604c4dd1bca88a77bc1cc3dbfa8e461b8b8f10c43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e84d243a925ce6d1aa036ea604c4dd1bca88a77bc1cc3dbfa8e461b8b8f10c43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e84d243a925ce6d1aa036ea604c4dd1bca88a77bc1cc3dbfa8e461b8b8f10c43", kill_on_drop: false }`
[INFO] [stdout] e84d243a925ce6d1aa036ea604c4dd1bca88a77bc1cc3dbfa8e461b8b8f10c43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] c45fb803ac63b0b14550c2540543f3d97e6905fa19c44ff0bf429c55fdc85727
[INFO] running `Command { std: "docker" "start" "-a" "c45fb803ac63b0b14550c2540543f3d97e6905fa19c44ff0bf429c55fdc85727", kill_on_drop: false }`
[INFO] [stderr]    Compiling prae v0.8.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "c45fb803ac63b0b14550c2540543f3d97e6905fa19c44ff0bf429c55fdc85727", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c45fb803ac63b0b14550c2540543f3d97e6905fa19c44ff0bf429c55fdc85727", kill_on_drop: false }`
[INFO] [stdout] c45fb803ac63b0b14550c2540543f3d97e6905fa19c44ff0bf429c55fdc85727
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 366d4df95a9fc8f5ffdd335a7bb501c8710be47ad4ec34beb73d03573b133893
[INFO] running `Command { std: "docker" "start" "-a" "366d4df95a9fc8f5ffdd335a7bb501c8710be47ad4ec34beb73d03573b133893", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling ryu v1.0.16
[INFO] [stderr]    Compiling assert_matches v1.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.194
[INFO] [stderr]    Compiling prae v0.8.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.45s
[INFO] running `Command { std: "docker" "inspect" "366d4df95a9fc8f5ffdd335a7bb501c8710be47ad4ec34beb73d03573b133893", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "366d4df95a9fc8f5ffdd335a7bb501c8710be47ad4ec34beb73d03573b133893", kill_on_drop: false }`
[INFO] [stdout] 366d4df95a9fc8f5ffdd335a7bb501c8710be47ad4ec34beb73d03573b133893
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 2ad0f65b5e7863f11333fd42fc1af323b6599a82a2364b975e4099e09f342982
[INFO] running `Command { std: "docker" "start" "-a" "2ad0f65b5e7863f11333fd42fc1af323b6599a82a2364b975e4099e09f342982", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/prae-12dca6defb6fdcef)
[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]      Running tests/adjust.rs (/opt/rustwide/target/debug/deps/adjust-f6c1c0e22a09e948)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test mutation_adjusted ... ok
[INFO] [stdout] test construction_adjusted ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/adjust_ensure.rs (/opt/rustwide/target/debug/deps/adjust_ensure-ff0591fd51f09028)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test construction_fails_for_invalid_data ... ok
[INFO] [stdout] test mutation_fails_for_invalid_data ... ok
[INFO] [stdout] test construction_succeeds_for_valid_data ... ok
[INFO] [stdout] test mutation_succeeds_for_valid_data ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/adjust_validate.rs (/opt/rustwide/target/debug/deps/adjust_validate-3d2defeb70008e48)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test mutation_succeeds_for_valid_data ... ok
[INFO] [stdout] test construction_succeeds_for_valid_data ... ok
[INFO] [stdout] test mutation_fails_for_invalid_data ... ok
[INFO] [stdout] test construction_fails_for_invalid_data ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/ensure.rs (/opt/rustwide/target/debug/deps/ensure-1b5327d595a20794)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test mutation_fails_for_invalid_data ... ok
[INFO] [stdout] test construction_succeeds_for_valid_data ... ok
[INFO] [stdout] test construction_error_formats_correctly ... ok
[INFO] [stdout] test construction_fails_for_invalid_data ... ok
[INFO] [stdout] test mutation_error_formats_correctly ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/extend.rs (/opt/rustwide/target/debug/deps/extend-ea5f7eb5077487d1)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test double_extended_works ... ok
[INFO] [stdout] test extended_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/impl_deref.rs (/opt/rustwide/target/debug/deps/impl_deref-f03eeb58e44b39b3)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/impl_display.rs (/opt/rustwide/target/debug/deps/impl_display-645e12c18c22b549)
[INFO] [stdout] test deref_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test display_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/impl_index.rs (/opt/rustwide/target/debug/deps/impl_index-4f3404744c191726)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test index_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/impl_serde.rs (/opt/rustwide/target/debug/deps/impl_serde-2092e59666bda012)
[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]      Running tests/non_clone.rs (/opt/rustwide/target/debug/deps/non_clone-c9b786ab150480e6)
[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]      Running tests/unprocessed.rs (/opt/rustwide/target/debug/deps/unprocessed-ff2a69a299d3cb40)
[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]      Running tests/validate.rs (/opt/rustwide/target/debug/deps/validate-921e74f39e9af583)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test construction_fails_for_invalid_data ... ok
[INFO] [stdout] test construction_error_can_be_transormed_into_inner ... ok
[INFO] [stdout] test construction_error_formats_correctly ... ok
[INFO] [stdout] test construction_succeeds_for_valid_data ... ok
[INFO] [stdout] test mutation_error_formats_correctly ... ok
[INFO] [stdout] test mutation_fails_for_invalid_data ... ok
[INFO] [stderr]    Doc-tests prae
[INFO] [stdout] test mutation_succeeds_for_valid_data ... ok
[INFO] [stdout] test mutation_error_can_be_transormed_into_inner ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test src/lib.rs - define (line 145) ... ok
[INFO] [stdout] test src/lib.rs - (line 20) ... ok
[INFO] [stdout] test src/lib.rs - define (line 168) ... ok
[INFO] [stdout] test src/lib.rs - define (line 212) ... ok
[INFO] [stdout] test src/lib.rs - (line 57) ... ok
[INFO] [stdout] test src/lib.rs - define (line 175) ... ok
[INFO] [stdout] test src/lib.rs - define (line 157) ... ok
[INFO] [stdout] test src/lib.rs - define (line 191) ... ok
[INFO] [stdout] test src/lib.rs - define (line 352) ... FAILED
[INFO] [stdout] test src/lib.rs - define (line 316) ... ok
[INFO] [stdout] test src/lib.rs - define (line 256) ... ok
[INFO] [stdout] test src/lib.rs - define (line 230) ... ok
[INFO] [stdout] test src/lib.rs - define (line 329) ... ok
[INFO] [stdout] test src/lib.rs - extend (line 477) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - define (line 352) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: could not find `impl_serde` in `prae`
[INFO] [stdout]   --> src/lib.rs:363:15
[INFO] [stdout]    |
[INFO] [stdout] 14 |         prae::impl_serde,
[INFO] [stdout]    |               ^^^^^^^^^^ could not find `impl_serde` in `prae`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Username: Deserialize<'_>` is not satisfied
[INFO] [stdout]     --> src/lib.rs:368:20
[INFO] [stdout]      |
[INFO] [stdout] 19   | let un: Username = serde_json::from_str("\"  qwerty \"").unwrap();
[INFO] [stdout]      |                    ^^^^^^^^^^^^^^^^^^^^ the trait `Deserialize<'_>` is not implemented for `Username`
[INFO] [stdout]      |
[INFO] [stdout]      = help: the following other types implement trait `Deserialize<'de>`:
[INFO] [stdout]                bool
[INFO] [stdout]                char
[INFO] [stdout]                isize
[INFO] [stdout]                i8
[INFO] [stdout]                i16
[INFO] [stdout]                i32
[INFO] [stdout]                i64
[INFO] [stdout]                i128
[INFO] [stdout]              and 130 others
[INFO] [stdout] note: required by a bound in `serde_json::from_str`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_json-1.0.111/src/de.rs:2676:8
[INFO] [stdout]      |
[INFO] [stdout] 2674 | pub fn from_str<'a, T>(s: &'a str) -> Result<T>
[INFO] [stdout]      |        -------- required by a bound in this function
[INFO] [stdout] 2675 | where
[INFO] [stdout] 2676 |     T: de::Deserialize<'a>,
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^ required by this bound in `from_str`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Username: Deserialize<'_>` is not satisfied
[INFO] [stdout]     --> src/lib.rs:372:11
[INFO] [stdout]      |
[INFO] [stdout] 23   | let err = serde_json::from_str::<Username>("\"   \"").unwrap_err();
[INFO] [stdout]      |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Deserialize<'_>` is not implemented for `Username`
[INFO] [stdout]      |
[INFO] [stdout]      = help: the following other types implement trait `Deserialize<'de>`:
[INFO] [stdout]                bool
[INFO] [stdout]                char
[INFO] [stdout]                isize
[INFO] [stdout]                i8
[INFO] [stdout]                i16
[INFO] [stdout]                i32
[INFO] [stdout]                i64
[INFO] [stdout]                i128
[INFO] [stdout]              and 130 others
[INFO] [stdout] note: required by a bound in `serde_json::from_str`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_json-1.0.111/src/de.rs:2676:8
[INFO] [stdout]      |
[INFO] [stdout] 2674 | pub fn from_str<'a, T>(s: &'a str) -> Result<T>
[INFO] [stdout]      |        -------- required by a bound in this function
[INFO] [stdout] 2675 | where
[INFO] [stdout] 2676 |     T: de::Deserialize<'a>,
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^ required by this bound in `from_str`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - define (line 352)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 13 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.76s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "2ad0f65b5e7863f11333fd42fc1af323b6599a82a2364b975e4099e09f342982", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ad0f65b5e7863f11333fd42fc1af323b6599a82a2364b975e4099e09f342982", kill_on_drop: false }`
[INFO] [stdout] 2ad0f65b5e7863f11333fd42fc1af323b6599a82a2364b975e4099e09f342982
