[INFO] fetching crate stitches 0.1.0... [INFO] checking stitches-0.1.0 against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477 [INFO] extracting crate stitches 0.1.0 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate stitches 0.1.0 on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate stitches 0.1.0 [INFO] finished tweaking crates.io crate stitches 0.1.0 [INFO] tweaked toml for crates.io crate stitches 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 57a5f715e249ae8bec6cb10c3f26cb720b3aa241a485d4819693b25f45575e4f [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" "57a5f715e249ae8bec6cb10c3f26cb720b3aa241a485d4819693b25f45575e4f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "57a5f715e249ae8bec6cb10c3f26cb720b3aa241a485d4819693b25f45575e4f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "57a5f715e249ae8bec6cb10c3f26cb720b3aa241a485d4819693b25f45575e4f", kill_on_drop: false }` [INFO] [stdout] 57a5f715e249ae8bec6cb10c3f26cb720b3aa241a485d4819693b25f45575e4f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 5834c897fbb11ddc8aaa1c0e5693fdf0580b8f8b00105d5825a1c0abfcbf8043 [INFO] running `Command { std: "docker" "start" "-a" "5834c897fbb11ddc8aaa1c0e5693fdf0580b8f8b00105d5825a1c0abfcbf8043", kill_on_drop: false }` [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Checking crossbeam-utils v0.8.5 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Checking crossbeam-epoch v0.9.5 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking rayon-core v1.9.1 [INFO] [stderr] Checking stitches v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/tree_search.rs:7:30 [INFO] [stdout] | [INFO] [stdout] 7 | fn initial(&self) -> Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/tree_search.rs:9:67 [INFO] [stdout] | [INFO] [stdout] 9 | fn following<'s>(&'s self, candidate: Self::Candidate) -> Box + 's>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + 's` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/tree_search.rs:7:30 [INFO] [stdout] | [INFO] [stdout] 7 | fn initial(&self) -> Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/tree_search.rs:9:67 [INFO] [stdout] | [INFO] [stdout] 9 | fn following<'s>(&'s self, candidate: Self::Candidate) -> Box + 's>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + 's` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `outer_len` [INFO] [stdout] --> src/fast_deque.rs:36:12 [INFO] [stdout] | [INFO] [stdout] 36 | pub fn outer_len(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `len` [INFO] [stdout] --> src/fast_deque.rs:40:12 [INFO] [stdout] | [INFO] [stdout] 40 | pub fn len(&self) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get` [INFO] [stdout] --> src/fast_deque.rs:44:12 [INFO] [stdout] | [INFO] [stdout] 44 | pub fn get(&self, mut index: usize) -> Option<&T> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek_head` [INFO] [stdout] --> src/fast_deque.rs:63:12 [INFO] [stdout] | [INFO] [stdout] 63 | pub fn peek_head(&self) -> Option<&T> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `iter` [INFO] [stdout] --> src/fast_deque.rs:67:12 [INFO] [stdout] | [INFO] [stdout] 67 | pub fn iter(&self) -> impl Iterator { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `outer_len` [INFO] [stdout] --> src/fast_deque.rs:36:12 [INFO] [stdout] | [INFO] [stdout] 36 | pub fn outer_len(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `len` [INFO] [stdout] --> src/fast_deque.rs:40:12 [INFO] [stdout] | [INFO] [stdout] 40 | pub fn len(&self) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get` [INFO] [stdout] --> src/fast_deque.rs:44:12 [INFO] [stdout] | [INFO] [stdout] 44 | pub fn get(&self, mut index: usize) -> Option<&T> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek_head` [INFO] [stdout] --> src/fast_deque.rs:63:12 [INFO] [stdout] | [INFO] [stdout] 63 | pub fn peek_head(&self) -> Option<&T> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `iter` [INFO] [stdout] --> src/fast_deque.rs:67:12 [INFO] [stdout] | [INFO] [stdout] 67 | pub fn iter(&self) -> impl Iterator { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.89s [INFO] running `Command { std: "docker" "inspect" "5834c897fbb11ddc8aaa1c0e5693fdf0580b8f8b00105d5825a1c0abfcbf8043", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5834c897fbb11ddc8aaa1c0e5693fdf0580b8f8b00105d5825a1c0abfcbf8043", kill_on_drop: false }` [INFO] [stdout] 5834c897fbb11ddc8aaa1c0e5693fdf0580b8f8b00105d5825a1c0abfcbf8043