[INFO] fetching crate iter_spread 0.1.0...
[INFO] testing iter_spread-0.1.0 against master#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1
[INFO] extracting crate iter_spread 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate iter_spread 0.1.0
[INFO] finished tweaking crates.io crate iter_spread 0.1.0
[INFO] tweaked toml for crates.io crate iter_spread 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate iter_spread 0.1.0 on toolchain 2fd6efc32704647e64d3d646d21c4c68eae100e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "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" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "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]     Blocking waiting for file lock on package cache
[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" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded array-init v2.1.0
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 854ec2a4b36c0583bda20d6016085d917fcdf5866ee24a39e547d5293c841721
[INFO] running `Command { std: "docker" "start" "-a" "854ec2a4b36c0583bda20d6016085d917fcdf5866ee24a39e547d5293c841721", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "854ec2a4b36c0583bda20d6016085d917fcdf5866ee24a39e547d5293c841721", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "854ec2a4b36c0583bda20d6016085d917fcdf5866ee24a39e547d5293c841721", kill_on_drop: false }`
[INFO] [stdout] 854ec2a4b36c0583bda20d6016085d917fcdf5866ee24a39e547d5293c841721
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 688117de7c938b4ad6649a580d7756e05b689e896b932bc1fdef367c2aa2ff3f
[INFO] running `Command { std: "docker" "start" "-a" "688117de7c938b4ad6649a580d7756e05b689e896b932bc1fdef367c2aa2ff3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling array-init v2.1.0
[INFO] [stderr]    Compiling iter_spread v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "688117de7c938b4ad6649a580d7756e05b689e896b932bc1fdef367c2aa2ff3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "688117de7c938b4ad6649a580d7756e05b689e896b932bc1fdef367c2aa2ff3f", kill_on_drop: false }`
[INFO] [stdout] 688117de7c938b4ad6649a580d7756e05b689e896b932bc1fdef367c2aa2ff3f
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65e9d614dcbcdb52763b4f040324fb7c68cbe95c06bcfb87eff2f85a84997aad
[INFO] running `Command { std: "docker" "start" "-a" "65e9d614dcbcdb52763b4f040324fb7c68cbe95c06bcfb87eff2f85a84997aad", kill_on_drop: false }`
[INFO] [stderr]    Compiling iter_spread v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "65e9d614dcbcdb52763b4f040324fb7c68cbe95c06bcfb87eff2f85a84997aad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65e9d614dcbcdb52763b4f040324fb7c68cbe95c06bcfb87eff2f85a84997aad", kill_on_drop: false }`
[INFO] [stdout] 65e9d614dcbcdb52763b4f040324fb7c68cbe95c06bcfb87eff2f85a84997aad
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 082e5e2f65e687be4b2cb3acaf30abc81224867e9cf3dda0243f0077865e27e6
[INFO] running `Command { std: "docker" "start" "-a" "082e5e2f65e687be4b2cb3acaf30abc81224867e9cf3dda0243f0077865e27e6", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/iter_spread-116eead840657bab)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stderr]    Doc-tests iter_spread
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - IterSpread::spread_vec (line 19) ... FAILED
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stdout] test src/lib.rs - IterSpread::spread_array (line 9) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - IterSpread::spread_vec (line 19) stdout ----
[INFO] [stdout] error[E0599]: no method named `spread_vec` found for struct `Map<I, F>` in the current scope
[INFO] [stdout]   --> src/lib.rs:21:45
[INFO] [stdout]    |
[INFO] [stdout] 21 | let b: Vec<Vec<f32>> = a.iter().map(|a| *a).spread_vec(2);
[INFO] [stdout]    |                                             ^^^^^^^^^^ method not found in `Map<std::slice::Iter<'_, {float}>, {closure@src/lib.rs:4:37: 4:40}>`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[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 - IterSpread::spread_array (line 9) stdout ----
[INFO] [stdout] error[E0599]: no method named `spread_array` found for struct `Map<I, F>` in the current scope
[INFO] [stdout]   --> src/lib.rs:11:45
[INFO] [stdout]    |
[INFO] [stdout] 11 | let b: [Vec<f32>; 2] = a.iter().map(|a| *a).spread_array();
[INFO] [stdout]    |                                             ^^^^^^^^^^^^ method not found in `Map<std::slice::Iter<'_, {float}>, {closure@src/lib.rs:4:37: 4:40}>`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[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 - IterSpread::spread_array (line 9)
[INFO] [stdout]     src/lib.rs - IterSpread::spread_vec (line 19)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "082e5e2f65e687be4b2cb3acaf30abc81224867e9cf3dda0243f0077865e27e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "082e5e2f65e687be4b2cb3acaf30abc81224867e9cf3dda0243f0077865e27e6", kill_on_drop: false }`
[INFO] [stdout] 082e5e2f65e687be4b2cb3acaf30abc81224867e9cf3dda0243f0077865e27e6
