[INFO] cloning repository https://github.com/FranklinChen/baker-samefringe-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FranklinChen/baker-samefringe-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFranklinChen%2Fbaker-samefringe-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFranklinChen%2Fbaker-samefringe-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0657059c67cc98134c6125b29ab6d5894a11c221 [INFO] testing FranklinChen/baker-samefringe-rust against beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFranklinChen%2Fbaker-samefringe-rust" "/workspace/builds/worker-56/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-56/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/FranklinChen/baker-samefringe-rust on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/FranklinChen/baker-samefringe-rust [INFO] finished tweaking git repo https://github.com/FranklinChen/baker-samefringe-rust [INFO] tweaked toml for git repo https://github.com/FranklinChen/baker-samefringe-rust written to /workspace/builds/worker-56/source/Cargo.toml [INFO] crate git repo https://github.com/FranklinChen/baker-samefringe-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 618eca426e553a12f4eb8f001c09249719ebc3ab986b9d8c00be1201c1624a46 [INFO] running `Command { std: "docker" "start" "-a" "618eca426e553a12f4eb8f001c09249719ebc3ab986b9d8c00be1201c1624a46", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "618eca426e553a12f4eb8f001c09249719ebc3ab986b9d8c00be1201c1624a46", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "618eca426e553a12f4eb8f001c09249719ebc3ab986b9d8c00be1201c1624a46", kill_on_drop: false }` [INFO] [stdout] 618eca426e553a12f4eb8f001c09249719ebc3ab986b9d8c00be1201c1624a46 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 759c00ed16464fec232e523ab60effe7540b55ea0ad4791136a2780b4738be72 [INFO] running `Command { std: "docker" "start" "-a" "759c00ed16464fec232e523ab60effe7540b55ea0ad4791136a2780b4738be72", kill_on_drop: false }` [INFO] [stderr] Compiling baker-samefringe-rust v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/algorithm/continuations.rs:9:33 [INFO] [stdout] | [INFO] [stdout] 9 | struct Generator<'a, T: 'a>(&'a Fn(&Consumer) -> bool); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Consumer) -> bool` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/algorithm/continuations.rs:15:32 [INFO] [stdout] | [INFO] [stdout] 15 | struct Consumer<'a, T: 'a>(&'a Fn(Option<(&T, &Generator)>) -> bool); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Option<(&T, &Generator)>) -> bool` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.00s [INFO] running `Command { std: "docker" "inspect" "759c00ed16464fec232e523ab60effe7540b55ea0ad4791136a2780b4738be72", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "759c00ed16464fec232e523ab60effe7540b55ea0ad4791136a2780b4738be72", kill_on_drop: false }` [INFO] [stdout] 759c00ed16464fec232e523ab60effe7540b55ea0ad4791136a2780b4738be72 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 537d62f156b9047f8c0f7c89a7c24b65c97b4099c01172c96528f4ac8a7edbc4 [INFO] running `Command { std: "docker" "start" "-a" "537d62f156b9047f8c0f7c89a7c24b65c97b4099c01172c96528f4ac8a7edbc4", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling baker-samefringe-rust v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/algorithm/continuations.rs:9:33 [INFO] [stdout] | [INFO] [stdout] 9 | struct Generator<'a, T: 'a>(&'a Fn(&Consumer) -> bool); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Consumer) -> bool` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/algorithm/continuations.rs:15:32 [INFO] [stdout] | [INFO] [stdout] 15 | struct Consumer<'a, T: 'a>(&'a Fn(Option<(&T, &Generator)>) -> bool); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Option<(&T, &Generator)>) -> bool` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/algorithm/continuations.rs:9:33 [INFO] [stdout] | [INFO] [stdout] 9 | struct Generator<'a, T: 'a>(&'a Fn(&Consumer) -> bool); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Consumer) -> bool` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/algorithm/continuations.rs:15:32 [INFO] [stdout] | [INFO] [stdout] 15 | struct Consumer<'a, T: 'a>(&'a Fn(Option<(&T, &Generator)>) -> bool); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Option<(&T, &Generator)>) -> bool` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 4m 04s [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "537d62f156b9047f8c0f7c89a7c24b65c97b4099c01172c96528f4ac8a7edbc4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "537d62f156b9047f8c0f7c89a7c24b65c97b4099c01172c96528f4ac8a7edbc4", kill_on_drop: false }` [INFO] [stdout] 537d62f156b9047f8c0f7c89a7c24b65c97b4099c01172c96528f4ac8a7edbc4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 38d0fc2bab08af24e5480b70fd5f2974fa34dd1416b24beb2e96d790d15463ba [INFO] running `Command { std: "docker" "start" "-a" "38d0fc2bab08af24e5480b70fd5f2974fa34dd1416b24beb2e96d790d15463ba", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/algorithm/continuations.rs:9:33 [INFO] [stderr] | [INFO] [stderr] 9 | struct Generator<'a, T: 'a>(&'a Fn(&Consumer) -> bool); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Consumer) -> bool` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/algorithm/continuations.rs:15:32 [INFO] [stderr] | [INFO] [stderr] 15 | struct Consumer<'a, T: 'a>(&'a Fn(Option<(&T, &Generator)>) -> bool); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Option<(&T, &Generator)>) -> bool` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: `baker-samefringe-rust` (lib) generated 2 warnings [INFO] [stderr] warning: `baker-samefringe-rust` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 40.21s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/baker_samefringe_rust-1a59dacbd01104eb) [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test algorithm::continuations::test::different_shapes_same_fringe ... ok [INFO] [stdout] test algorithm::iterators::test::different_shapes_different_fringe ... ok [INFO] [stdout] test immutable::test::map_into_works ... ok [INFO] [stdout] test immutable::test::map_works ... ok [INFO] [stdout] test iterators::test::iteration_is_in_order ... ok [INFO] [stdout] test immutable::test::internal_fold_works ... ok [INFO] [stdout] test algorithm::continuations::test::different_shapes_different_fringe ... ok [INFO] [stdout] test algorithm::iterators::test::different_shapes_same_fringe ... ok [INFO] [stdout] test iterators::test::iteration_with_mutation ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests baker-samefringe-rust [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] running `Command { std: "docker" "inspect" "38d0fc2bab08af24e5480b70fd5f2974fa34dd1416b24beb2e96d790d15463ba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "38d0fc2bab08af24e5480b70fd5f2974fa34dd1416b24beb2e96d790d15463ba", kill_on_drop: false }` [INFO] [stdout] 38d0fc2bab08af24e5480b70fd5f2974fa34dd1416b24beb2e96d790d15463ba