[INFO] fetching crate arraytools 0.1.5...
[INFO] testing arraytools-0.1.5 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate arraytools 0.1.5 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate arraytools 0.1.5 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arraytools 0.1.5
[INFO] finished tweaking crates.io crate arraytools 0.1.5
[INFO] tweaked toml for crates.io crate arraytools 0.1.5 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95a0c8ca1010a1cff71bf9a7d2008c78ac68240336f906fc111f6b05180e2cc2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "95a0c8ca1010a1cff71bf9a7d2008c78ac68240336f906fc111f6b05180e2cc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95a0c8ca1010a1cff71bf9a7d2008c78ac68240336f906fc111f6b05180e2cc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95a0c8ca1010a1cff71bf9a7d2008c78ac68240336f906fc111f6b05180e2cc2", kill_on_drop: false }`
[INFO] [stdout] 95a0c8ca1010a1cff71bf9a7d2008c78ac68240336f906fc111f6b05180e2cc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3c2d7fe1fcce354e96427bbe13196fa6c5c354e39da38ae026f1345be4842a7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e3c2d7fe1fcce354e96427bbe13196fa6c5c354e39da38ae026f1345be4842a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling arraytools v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.59s
[INFO] running `Command { std: "docker" "inspect" "e3c2d7fe1fcce354e96427bbe13196fa6c5c354e39da38ae026f1345be4842a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3c2d7fe1fcce354e96427bbe13196fa6c5c354e39da38ae026f1345be4842a7", kill_on_drop: false }`
[INFO] [stdout] e3c2d7fe1fcce354e96427bbe13196fa6c5c354e39da38ae026f1345be4842a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a89d8b9feedf2e19d42bcf5e0f94f7841a57720d111ca3064dd3bcc2a0dda78
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8a89d8b9feedf2e19d42bcf5e0f94f7841a57720d111ca3064dd3bcc2a0dda78", kill_on_drop: false }`
[INFO] [stderr]    Compiling arraytools v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/lib.rs:643:19
[INFO] [stdout]     |
[INFO] [stdout] 643 |         let a = a.map(|x| x as f32);
[INFO] [stdout]     |                   ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `ArrayTools::map(...)` to keep using the current method
[INFO] [stdout]     = help: add `#![feature(array_map)]` to the crate attributes to enable `array::<impl [T; N]>::map`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.78s
[INFO] running `Command { std: "docker" "inspect" "8a89d8b9feedf2e19d42bcf5e0f94f7841a57720d111ca3064dd3bcc2a0dda78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a89d8b9feedf2e19d42bcf5e0f94f7841a57720d111ca3064dd3bcc2a0dda78", kill_on_drop: false }`
[INFO] [stdout] 8a89d8b9feedf2e19d42bcf5e0f94f7841a57720d111ca3064dd3bcc2a0dda78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 24ca1fca940f18083390e76af5abeb037ebf9f7e7cf7a34105af059b16255f53
[INFO] running `Command { std: "docker" "start" "-a" "24ca1fca940f18083390e76af5abeb037ebf9f7e7cf7a34105af059b16255f53", kill_on_drop: false }`
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/lib.rs:643:19
[INFO] [stderr]     |
[INFO] [stderr] 643 |         let a = a.map(|x| x as f32);
[INFO] [stderr]     |                   ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `ArrayTools::map(...)` to keep using the current method
[INFO] [stderr]     = help: add `#![feature(array_map)]` to the crate attributes to enable `array::<impl [T; N]>::map`
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/arraytools-617c6c5ee5d8d7a1
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::from_iter_is_not_ambiguous_with_std ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests arraytools
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test src/lib.rs - (line 35) ... ok
[INFO] [stdout] test src/lib.rs - ArrayTools::Tuple (line 127) ... ok
[INFO] [stdout] test src/lib.rs - (line 13) ... ok
[INFO] [stdout] test src/lib.rs - ArrayTools::Element (line 77) ... ok
[INFO] [stdout] test src/lib.rs - ArrayTools::as_mut_array (line 326) ... ok
[INFO] [stdout] test src/lib.rs - (line 50) ... ok
[INFO] [stdout] test src/lib.rs - ArrayTools::for_each (line 261) ... ok
[INFO] [stdout] test src/lib.rs - ArrayTools (line 67) ... ok
[INFO] [stdout] test src/lib.rs - ArrayTools::as_slice (line 101) ... ok
[INFO] [stdout] test src/lib.rs - ArrayTools::as_mut_slice (line 114) ... ok
[INFO] [stdout] test src/lib.rs - ArrayTools::from_tuple (line 141) ... ok
[INFO] [stdout] test src/lib.rs - ArrayTools::LEN (line 90) ... ok
[INFO] [stdout] test src/lib.rs - ArrayTools::as_ref_array (line 310) ... ok
[INFO] [stdout] test src/lib.rs - ArrayTools::generate (line 165) ... ok
[INFO] [stdout] test src/lib.rs - (line 22) ... ok
[INFO] [stdout] test src/lib.rs - ArrayTools::from_iter (line 203) ... ok
[INFO] [stdout] test src/lib.rs - ArrayTools::indices (line 225) ... ok
[INFO] [stdout] test src/lib.rs - ArrayTools::map (line 243) ... ok
[INFO] [stdout] test src/lib.rs - ArrayTools::into_tuple (line 152) ... ok
[INFO] [stdout] test src/lib.rs - ArrayTools::pop_front (line 392) ... ok
[INFO] [stdout] test src/lib.rs - ArrayTools::push_front (line 358) ... ok
[INFO] [stdout] test src/lib.rs - ArrayTools::pop_back (line 375) ... ok
[INFO] [stdout] test src/lib.rs - ArrayTools::zip (line 278) ... ok
[INFO] [stdout] test src/lib.rs - ArrayTools::push_back (line 342) ... ok
[INFO] [stdout] test src/lib.rs - ArrayTools::zip_with (line 295) ... ok
[INFO] [stdout] test src/lib.rs - ArrayTools::repeat (line 182) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "24ca1fca940f18083390e76af5abeb037ebf9f7e7cf7a34105af059b16255f53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24ca1fca940f18083390e76af5abeb037ebf9f7e7cf7a34105af059b16255f53", kill_on_drop: false }`
[INFO] [stdout] 24ca1fca940f18083390e76af5abeb037ebf9f7e7cf7a34105af059b16255f53