[INFO] fetching crate pi_util 0.1.0...
[INFO] testing pi_util-0.1.0 against master#0d162b25edd5bf0dba9a22e83b614f1113e90474 for pr-150681
[INFO] extracting crate pi_util 0.1.0 into /workspace/builds/worker-4-tc1/source
[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-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pi_util 0.1.0 on toolchain 0d162b25edd5bf0dba9a22e83b614f1113e90474
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] [stdout] 470f7456f8983880d205b71610227354273534b81cdd16b22192862b744df9de
[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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8733aa2ae6ee49b0149a065a5ac49a24dec668fc91584b47a25be96844f6f5c2
[INFO] running `Command { std: "docker" "start" "-a" "8733aa2ae6ee49b0149a065a5ac49a24dec668fc91584b47a25be96844f6f5c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling pi_util v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "8733aa2ae6ee49b0149a065a5ac49a24dec668fc91584b47a25be96844f6f5c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8733aa2ae6ee49b0149a065a5ac49a24dec668fc91584b47a25be96844f6f5c2", kill_on_drop: false }`
[INFO] [stdout] 8733aa2ae6ee49b0149a065a5ac49a24dec668fc91584b47a25be96844f6f5c2
[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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9f88d9a2af2f7b535f8ff83419702e5e4eea4c85323d1450e504fe7edbb1237
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[INFO] [stderr]    Compiling pi_util v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "b9f88d9a2af2f7b535f8ff83419702e5e4eea4c85323d1450e504fe7edbb1237", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9f88d9a2af2f7b535f8ff83419702e5e4eea4c85323d1450e504fe7edbb1237", kill_on_drop: false }`
[INFO] [stdout] b9f88d9a2af2f7b535f8ff83419702e5e4eea4c85323d1450e504fe7edbb1237
[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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8f9a024b8e7f59028294ed92bb2a09f19a4cb59fc8e0b0b4f1a1758ac757b78c
[INFO] running `Command { std: "docker" "start" "-a" "8f9a024b8e7f59028294ed92bb2a09f19a4cb59fc8e0b0b4f1a1758ac757b78c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/pi_util-589837e3f2098625)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pi_util
[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] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - FetchCloneDefault (line 103) ... FAILED
[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] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - FetchCloneDefault (line 103) stdout ----
[INFO] [stdout] error[E0599]: no method named `fetch_clone` found for enum `Option<T>` in the current scope
[INFO] [stdout]    --> src/lib.rs:106:20
[INFO] [stdout]     |
[INFO] [stdout] 106 | let cloned = opt_x.fetch_clone();
[INFO] [stdout]     |                    ^^^^^^^^^^^ method not found in `Option<{integer}>`
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `cloned` found for enum `Option<{integer}>` in the current scope
[INFO] [stdout]    --> src/lib.rs:108:26
[INFO] [stdout]     |
[INFO] [stdout] 108 | assert_eq!(cloned, opt_x.cloned().fetch_default());
[INFO] [stdout]     |                          ^^^^^^ `Option<{integer}>` is not an iterator
[INFO] [stdout]     |
[INFO] [stdout] help: call `.into_iter()` first
[INFO] [stdout]     |
[INFO] [stdout] 108 | assert_eq!(cloned, opt_x.into_iter().cloned().fetch_default());
[INFO] [stdout]     |                          ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `fetch_clone` found for enum `Option<T>` in the current scope
[INFO] [stdout]    --> src/lib.rs:109:17
[INFO] [stdout]     |
[INFO] [stdout] 109 | 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] ---- 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] 47 | assert_eq!(2.51_f32.round(-1), 2.5_f32);
[INFO] [stdout]    |                     ^^^^^ -- unexpected argument of type `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: method defined here
[INFO] [stdout]   --> /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/num/f32.rs:101:17
[INFO] [stdout] help: remove the extra argument
[INFO] [stdout]    |
[INFO] [stdout] 47 - assert_eq!(2.51_f32.round(-1), 2.5_f32);
[INFO] [stdout] 47 + assert_eq!(2.51_f32.round(), 2.5_f32);
[INFO] [stdout]    |
[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] 48 | assert_eq!(278.2_f32.round(0), 278_f64);
[INFO] [stdout]    |                      ^^^^^ - unexpected argument of type `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: method defined here
[INFO] [stdout]   --> /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/num/f32.rs:101:17
[INFO] [stdout] help: remove the extra argument
[INFO] [stdout]    |
[INFO] [stdout] 48 - assert_eq!(278.2_f32.round(0), 278_f64);
[INFO] [stdout] 48 + assert_eq!(278.2_f32.round(), 278_f64);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:48:32
[INFO] [stdout]    |
[INFO] [stdout] 48 | 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] 48 - assert_eq!(278.2_f32.round(0), 278_f64);
[INFO] [stdout] 48 + 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] 49 | assert_eq!(-278.2_f64.round(1), -270_f64);
[INFO] [stdout]    |                       ^^^^^ - unexpected argument of type `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: method defined here
[INFO] [stdout]   --> /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/num/f64.rs:101:17
[INFO] [stdout] help: remove the extra argument
[INFO] [stdout]    |
[INFO] [stdout] 49 - assert_eq!(-278.2_f64.round(1), -270_f64);
[INFO] [stdout] 49 + assert_eq!(-278.2_f64.round(), -270_f64);
[INFO] [stdout]    |
[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] 8 | assert_eq!(v.index_of(&30), Some(2));
[INFO] [stdout]   |              ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: there is a method `index` with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 8 - assert_eq!(v.index_of(&30), Some(2));
[INFO] [stdout] 8 + assert_eq!(v.index(&30), Some(2));
[INFO] [stdout]   |
[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] 9 | assert_eq!(!v.index_of(&50), None);
[INFO] [stdout]   |               ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: there is a method `index` with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 9 - assert_eq!(!v.index_of(&50), None);
[INFO] [stdout] 9 + assert_eq!(!v.index(&50), None);
[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 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<T>` in the current scope
[INFO] [stdout]   --> src/lib.rs:80:20
[INFO] [stdout]    |
[INFO] [stdout] 80 | 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<T>` in the current scope
[INFO] [stdout]   --> src/lib.rs:82:17
[INFO] [stdout]    |
[INFO] [stdout] 82 | 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] 
[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 0.35s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "8f9a024b8e7f59028294ed92bb2a09f19a4cb59fc8e0b0b4f1a1758ac757b78c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f9a024b8e7f59028294ed92bb2a09f19a4cb59fc8e0b0b4f1a1758ac757b78c", kill_on_drop: false }`
[INFO] [stdout] 8f9a024b8e7f59028294ed92bb2a09f19a4cb59fc8e0b0b4f1a1758ac757b78c
