[INFO] fetching crate pi_util 0.1.0...
[INFO] testing pi_util-0.1.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate pi_util 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate pi_util 0.1.0 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 pi_util 0.1.0
[INFO] finished tweaking crates.io crate pi_util 0.1.0
[INFO] tweaked toml for crates.io crate pi_util 0.1.0 written to /workspace/builds/worker-1-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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 2883fc25c5b9148f521466ff9f9686097e8b90bed89de6205b3934ef0eca4d70
[INFO] running `Command { std: "docker" "start" "-a" "2883fc25c5b9148f521466ff9f9686097e8b90bed89de6205b3934ef0eca4d70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2883fc25c5b9148f521466ff9f9686097e8b90bed89de6205b3934ef0eca4d70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2883fc25c5b9148f521466ff9f9686097e8b90bed89de6205b3934ef0eca4d70", kill_on_drop: false }`
[INFO] [stdout] 2883fc25c5b9148f521466ff9f9686097e8b90bed89de6205b3934ef0eca4d70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 03234fecdc43fd2458a15e28d18ec591c1f3402b31325debec3c7bb8cbb850b1
[INFO] running `Command { std: "docker" "start" "-a" "03234fecdc43fd2458a15e28d18ec591c1f3402b31325debec3c7bb8cbb850b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling pi_util v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "03234fecdc43fd2458a15e28d18ec591c1f3402b31325debec3c7bb8cbb850b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03234fecdc43fd2458a15e28d18ec591c1f3402b31325debec3c7bb8cbb850b1", kill_on_drop: false }`
[INFO] [stdout] 03234fecdc43fd2458a15e28d18ec591c1f3402b31325debec3c7bb8cbb850b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] c95bb2a2a584b2ed165825046502e2cabee718fef262bedbf34f0cf65c3ebbc8
[INFO] running `Command { std: "docker" "start" "-a" "c95bb2a2a584b2ed165825046502e2cabee718fef262bedbf34f0cf65c3ebbc8", kill_on_drop: false }`
[INFO] [stderr]    Compiling pi_util v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "c95bb2a2a584b2ed165825046502e2cabee718fef262bedbf34f0cf65c3ebbc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c95bb2a2a584b2ed165825046502e2cabee718fef262bedbf34f0cf65c3ebbc8", kill_on_drop: false }`
[INFO] [stdout] c95bb2a2a584b2ed165825046502e2cabee718fef262bedbf34f0cf65c3ebbc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] e81f8599ef5a8ed5bb7b7ac6cf487e4e296b5b0d871c5dbf6cd71782b64b37f4
[INFO] running `Command { std: "docker" "start" "-a" "e81f8599ef5a8ed5bb7b7ac6cf487e4e296b5b0d871c5dbf6cd71782b64b37f4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/pi_util-94121c3408f17435)
[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 pi_util
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - PrecisionRound (line 46) ... FAILED
[INFO] [stdout] test src/lib.rs - IndexOf (line 6) ... FAILED
[INFO] [stdout] test src/lib.rs - FetchDefault (line 76) ... FAILED
[INFO] [stdout] test src/lib.rs - FetchCloneDefault (line 103) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - PrecisionRound (line 46) stdout ----
[INFO] [stdout] error[E0061]: this method takes 0 arguments but 1 argument was supplied
[INFO] [stdout]  --> src/lib.rs:47:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | assert_eq!(2.51_f32.round(-1), 2.5_f32);
[INFO] [stdout]   |                     ^^^^^ --
[INFO] [stdout]   |                           |
[INFO] [stdout]   |                           unexpected argument of type `{integer}`
[INFO] [stdout]   |                           help: remove the extra argument
[INFO] [stdout]   |
[INFO] [stdout] note: method defined here
[INFO] [stdout]  --> /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/f32.rs:95:12
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this method takes 0 arguments but 1 argument was supplied
[INFO] [stdout]  --> src/lib.rs:48:22
[INFO] [stdout]   |
[INFO] [stdout] 4 | assert_eq!(278.2_f32.round(0), 278_f64);
[INFO] [stdout]   |                      ^^^^^ -
[INFO] [stdout]   |                            |
[INFO] [stdout]   |                            unexpected argument of type `{integer}`
[INFO] [stdout]   |                            help: remove the extra argument
[INFO] [stdout]   |
[INFO] [stdout] note: method defined here
[INFO] [stdout]  --> /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/f32.rs:95:12
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/lib.rs:48:32
[INFO] [stdout]   |
[INFO] [stdout] 4 | assert_eq!(278.2_f32.round(0), 278_f64);
[INFO] [stdout]   |                                ^^^^^^^ expected `f32`, found `f64`
[INFO] [stdout]   |
[INFO] [stdout] help: change the type of the numeric literal from `f64` to `f32`
[INFO] [stdout]   |
[INFO] [stdout] 4 | assert_eq!(278.2_f32.round(0), 278_f32);
[INFO] [stdout]   |                                    ~~~
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this method takes 0 arguments but 1 argument was supplied
[INFO] [stdout]  --> src/lib.rs:49:23
[INFO] [stdout]   |
[INFO] [stdout] 5 | assert_eq!(-278.2_f64.round(1), -270_f64);
[INFO] [stdout]   |                       ^^^^^ -
[INFO] [stdout]   |                             |
[INFO] [stdout]   |                             unexpected argument of type `{integer}`
[INFO] [stdout]   |                             help: remove the extra argument
[INFO] [stdout]   |
[INFO] [stdout] note: method defined here
[INFO] [stdout]  --> /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/f64.rs:95:12
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0308.
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - IndexOf (line 6) stdout ----
[INFO] [stdout] error[E0599]: no method named `index_of` found for array `[{integer}; 3]` in the current scope
[INFO] [stdout]  --> src/lib.rs:8:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | assert_eq!(v.index_of(&30), Some(2));
[INFO] [stdout]   |              ^^^^^^^^ method not found in `[{integer}; 3]`
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `index_of` found for array `[{integer}; 3]` in the current scope
[INFO] [stdout]  --> src/lib.rs:9:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | assert_eq!(!v.index_of(&50), None);
[INFO] [stdout]   |               ^^^^^^^^ method not found in `[{integer}; 3]`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - FetchDefault (line 76) stdout ----
[INFO] [stdout] error[E0599]: no method named `fetch_default` found for enum `Option` in the current scope
[INFO] [stdout]  --> src/lib.rs:80:20
[INFO] [stdout]   |
[INFO] [stdout] 6 | let cloned = opt_x.fetch_default();
[INFO] [stdout]   |                    ^^^^^^^^^^^^^ method not found in `Option<{integer}>`
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `fetch_default` found for enum `Option` in the current scope
[INFO] [stdout]  --> src/lib.rs:82:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | assert_eq!(None.fetch_default(), 0);
[INFO] [stdout]   |                 ^^^^^^^^^^^^^ method not found in `Option<_>`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - FetchCloneDefault (line 103) stdout ----
[INFO] [stdout] error[E0599]: no method named `fetch_clone` found for enum `Option` in the current scope
[INFO] [stdout]  --> src/lib.rs:106:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | let cloned = opt_x.fetch_clone();
[INFO] [stdout]   |                    ^^^^^^^^^^^ method not found in `Option<{integer}>`
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: `Option<{integer}>` is not an iterator
[INFO] [stdout]  --> src/lib.rs:108:26
[INFO] [stdout]   |
[INFO] [stdout] 7 | assert_eq!(cloned, opt_x.cloned().fetch_default());
[INFO] [stdout]   |                          ^^^^^^ `Option<{integer}>` is not an iterator
[INFO] [stdout]  --> /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/option.rs:569:1
[INFO] [stdout]   |
[INFO] [stdout]   = note: doesn't satisfy `Option<{integer}>: Iterator`
[INFO] [stdout]   |
[INFO] [stdout]   = note: the following trait bounds were not satisfied:
[INFO] [stdout]           `Option<{integer}>: Iterator`
[INFO] [stdout]           which is required by `&mut Option<{integer}>: Iterator`
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `fetch_clone` found for enum `Option` in the current scope
[INFO] [stdout]  --> src/lib.rs:109:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | assert_eq!(None.fetch_clone(), 0);
[INFO] [stdout]   |                 ^^^^^^^^^^^ method not found in `Option<_>`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - FetchCloneDefault (line 103)
[INFO] [stdout]     src/lib.rs - FetchDefault (line 76)
[INFO] [stdout]     src/lib.rs - IndexOf (line 6)
[INFO] [stdout]     src/lib.rs - PrecisionRound (line 46)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "e81f8599ef5a8ed5bb7b7ac6cf487e4e296b5b0d871c5dbf6cd71782b64b37f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e81f8599ef5a8ed5bb7b7ac6cf487e4e296b5b0d871c5dbf6cd71782b64b37f4", kill_on_drop: false }`
[INFO] [stdout] e81f8599ef5a8ed5bb7b7ac6cf487e4e296b5b0d871c5dbf6cd71782b64b37f4
