[INFO] fetching crate slice-fill 1.0.1...
[INFO] testing slice-fill-1.0.1 against 1.47.0 for beta-1.48-1
[INFO] extracting crate slice-fill 1.0.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate slice-fill 1.0.1 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slice-fill 1.0.1
[INFO] finished tweaking crates.io crate slice-fill 1.0.1
[INFO] tweaked toml for crates.io crate slice-fill 1.0.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a3586717bf00ad4a8a95412374aeda09c6b1c546072443bdb0345a4e0417142
[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" "9a3586717bf00ad4a8a95412374aeda09c6b1c546072443bdb0345a4e0417142", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a3586717bf00ad4a8a95412374aeda09c6b1c546072443bdb0345a4e0417142", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a3586717bf00ad4a8a95412374aeda09c6b1c546072443bdb0345a4e0417142", kill_on_drop: false }`
[INFO] [stdout] 9a3586717bf00ad4a8a95412374aeda09c6b1c546072443bdb0345a4e0417142
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6871f973f4b615bee3c45a212c424b8d217fac25e98b045e5e182e8c8585e74d
[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" "6871f973f4b615bee3c45a212c424b8d217fac25e98b045e5e182e8c8585e74d", kill_on_drop: false }`
[INFO] [stderr]    Compiling slice-fill v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "6871f973f4b615bee3c45a212c424b8d217fac25e98b045e5e182e8c8585e74d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6871f973f4b615bee3c45a212c424b8d217fac25e98b045e5e182e8c8585e74d", kill_on_drop: false }`
[INFO] [stdout] 6871f973f4b615bee3c45a212c424b8d217fac25e98b045e5e182e8c8585e74d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d0fc7a172729c7ace133891f2637bd1680540f222b04c1ebdfab9fa4299b787
[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" "2d0fc7a172729c7ace133891f2637bd1680540f222b04c1ebdfab9fa4299b787", kill_on_drop: false }`
[INFO] [stderr]    Compiling slice-fill v1.0.1 (/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:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |         buf.fill(1);
[INFO] [stdout]    |             ^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:34:24
[INFO] [stdout]    |
[INFO] [stdout] 34 | #![forbid(unsafe_code, future_incompatible, rust_2018_idioms)]
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` implied by `#[warn(future_incompatible)]`
[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 `SliceExt::fill(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/lib.rs:65:20
[INFO] [stdout]    |
[INFO] [stdout] 65 |         buf[0..10].fill(1);
[INFO] [stdout]    |                    ^^^^
[INFO] [stdout]    |
[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 `SliceExt::fill(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "2d0fc7a172729c7ace133891f2637bd1680540f222b04c1ebdfab9fa4299b787", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d0fc7a172729c7ace133891f2637bd1680540f222b04c1ebdfab9fa4299b787", kill_on_drop: false }`
[INFO] [stdout] 2d0fc7a172729c7ace133891f2637bd1680540f222b04c1ebdfab9fa4299b787
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0e681d081c7f37d1af29ffe00e8708d582875245de27b499d77c568dead605c2
[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" "0e681d081c7f37d1af29ffe00e8708d582875245de27b499d77c568dead605c2", 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:57:13
[INFO] [stderr]    |
[INFO] [stderr] 57 |         buf.fill(1);
[INFO] [stderr]    |             ^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:34:24
[INFO] [stderr]    |
[INFO] [stderr] 34 | #![forbid(unsafe_code, future_incompatible, rust_2018_idioms)]
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = note: `#[warn(unstable_name_collisions)]` implied by `#[warn(future_incompatible)]`
[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 `SliceExt::fill(...)` to keep using the current method
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]   --> src/lib.rs:65:20
[INFO] [stderr]    |
[INFO] [stderr] 65 |         buf[0..10].fill(1);
[INFO] [stderr]    |                    ^^^^
[INFO] [stderr]    |
[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 `SliceExt::fill(...)` to keep using the current method
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/slice_fill-bac0dadd1773b46c
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::fills_vec ... ok
[INFO] [stdout] test test::fills_slice ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test-f7e21de9c76546e7
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests slice-fill
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 21) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0e681d081c7f37d1af29ffe00e8708d582875245de27b499d77c568dead605c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e681d081c7f37d1af29ffe00e8708d582875245de27b499d77c568dead605c2", kill_on_drop: false }`
[INFO] [stdout] 0e681d081c7f37d1af29ffe00e8708d582875245de27b499d77c568dead605c2
