[INFO] fetching crate wordcut-engine 0.2.0... [INFO] checking wordcut-engine-0.2.0 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920 [INFO] extracting crate wordcut-engine 0.2.0 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate wordcut-engine 0.2.0 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate wordcut-engine 0.2.0 [INFO] finished tweaking crates.io crate wordcut-engine 0.2.0 [INFO] tweaked toml for crates.io crate wordcut-engine 0.2.0 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5234f7a662c062f2e1116b01b038e53c6dffee0f3c70c324c842bcd8a021d7ff [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" "5234f7a662c062f2e1116b01b038e53c6dffee0f3c70c324c842bcd8a021d7ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5234f7a662c062f2e1116b01b038e53c6dffee0f3c70c324c842bcd8a021d7ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5234f7a662c062f2e1116b01b038e53c6dffee0f3c70c324c842bcd8a021d7ff", kill_on_drop: false }` [INFO] [stdout] 5234f7a662c062f2e1116b01b038e53c6dffee0f3c70c324c842bcd8a021d7ff [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6c09cad50acc1a1d0e8ecb4b3002b09cafc160e322b5b48a627c3728e8119fbb [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" "6c09cad50acc1a1d0e8ecb4b3002b09cafc160e322b5b48a627c3728e8119fbb", kill_on_drop: false }` [INFO] [stderr] Checking prefixtree v0.1.3 [INFO] [stderr] Checking wordcut-engine v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:90:22 [INFO] [stdout] | [INFO] [stdout] 90 | type CharPredicate = Fn(char) -> bool; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(char) -> bool` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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/lib.rs:357:31 [INFO] [stdout] | [INFO] [stdout] 357 | let mut builders: Vec> = [INFO] [stdout] | ^^^^^^^^^^^ help: use `dyn`: `dyn EdgeBuilder` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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/lib.rs:452:31 [INFO] [stdout] | [INFO] [stdout] 452 | let mut builders: Vec> = [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn DagEdgeBuilder` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred [INFO] [stdout] --> src/lib.rs:217:1 [INFO] [stdout] | [INFO] [stdout] 217 | / lazy_static! { [INFO] [stdout] 218 | | static ref PUNC_SET: HashSet = { [INFO] [stdout] 219 | | let mut m = HashSet::new(); [INFO] [stdout] 220 | | m.insert(' '); [INFO] [stdout] ... | [INFO] [stdout] 230 | | }; [INFO] [stdout] 231 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:90:22 [INFO] [stdout] | [INFO] [stdout] 90 | type CharPredicate = Fn(char) -> bool; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(char) -> bool` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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/lib.rs:357:31 [INFO] [stdout] | [INFO] [stdout] 357 | let mut builders: Vec> = [INFO] [stdout] | ^^^^^^^^^^^ help: use `dyn`: `dyn EdgeBuilder` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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/lib.rs:452:31 [INFO] [stdout] | [INFO] [stdout] 452 | let mut builders: Vec> = [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn DagEdgeBuilder` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred [INFO] [stdout] --> src/lib.rs:217:1 [INFO] [stdout] | [INFO] [stdout] 217 | / lazy_static! { [INFO] [stdout] 218 | | static ref PUNC_SET: HashSet = { [INFO] [stdout] 219 | | let mut m = HashSet::new(); [INFO] [stdout] 220 | | m.insert(' '); [INFO] [stdout] ... | [INFO] [stdout] 230 | | }; [INFO] [stdout] 231 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.74s [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "6c09cad50acc1a1d0e8ecb4b3002b09cafc160e322b5b48a627c3728e8119fbb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6c09cad50acc1a1d0e8ecb4b3002b09cafc160e322b5b48a627c3728e8119fbb", kill_on_drop: false }` [INFO] [stdout] 6c09cad50acc1a1d0e8ecb4b3002b09cafc160e322b5b48a627c3728e8119fbb