[INFO] cloning repository https://github.com/chryslovelace/mixfix [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chryslovelace/mixfix" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchryslovelace%2Fmixfix", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchryslovelace%2Fmixfix'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f87cad659c2c22f8fba54e2198bc83e8fc047956 [INFO] checking chryslovelace/mixfix against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchryslovelace%2Fmixfix" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/chryslovelace/mixfix 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 git repo https://github.com/chryslovelace/mixfix [INFO] finished tweaking git repo https://github.com/chryslovelace/mixfix [INFO] tweaked toml for git repo https://github.com/chryslovelace/mixfix written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/chryslovelace/mixfix already has a lockfile, it will not be regenerated [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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 51b7f780c26ffd86da9470cff75e5321b8d655d0dedb271914e92229aaa9f42e [INFO] running `Command { std: "docker" "start" "-a" "51b7f780c26ffd86da9470cff75e5321b8d655d0dedb271914e92229aaa9f42e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "51b7f780c26ffd86da9470cff75e5321b8d655d0dedb271914e92229aaa9f42e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "51b7f780c26ffd86da9470cff75e5321b8d655d0dedb271914e92229aaa9f42e", kill_on_drop: false }` [INFO] [stdout] 51b7f780c26ffd86da9470cff75e5321b8d655d0dedb271914e92229aaa9f42e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] 23a86a191cdee06e73d8218ff82e1fdc5a1dd2c3dc746fff22a0814f63a1f38a [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" "23a86a191cdee06e73d8218ff82e1fdc5a1dd2c3dc746fff22a0814f63a1f38a", kill_on_drop: false }` [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Checking itertools v0.8.0 [INFO] [stderr] Checking mixfix v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `NamePart` [INFO] [stdout] --> src/parser.rs:6:16 [INFO] [stdout] | [INFO] [stdout] 6 | use operator::{NamePart, Operator}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser.rs:31:21 [INFO] [stdout] | [INFO] [stdout] 31 | impl Parser for &Parser { [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Parser` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser.rs:180:17 [INFO] [stdout] | [INFO] [stdout] 180 | Opts::<&Parser>(vec![ [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Parser` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `NamePart` [INFO] [stdout] --> src/parser.rs:6:16 [INFO] [stdout] | [INFO] [stdout] 6 | use operator::{NamePart, Operator}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser.rs:31:21 [INFO] [stdout] | [INFO] [stdout] 31 | impl Parser for &Parser { [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Parser` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser.rs:180:17 [INFO] [stdout] | [INFO] [stdout] 180 | Opts::<&Parser>(vec![ [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Parser` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `well_formed` [INFO] [stdout] --> src/expr.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn well_formed(&self) -> bool { [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: `arity` [INFO] [stdout] --> src/operator.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn arity(&self) -> usize { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `UnparsedInput` [INFO] [stdout] --> src/parser.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | UnparsedInput(ParseInput<'a>), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `parse_expr` [INFO] [stdout] --> src/parser.rs:330:8 [INFO] [stdout] | [INFO] [stdout] 330 | pub fn parse_expr<'i, G: PrecedenceGraph>( [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 2.60s [INFO] running `Command { std: "docker" "inspect" "23a86a191cdee06e73d8218ff82e1fdc5a1dd2c3dc746fff22a0814f63a1f38a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "23a86a191cdee06e73d8218ff82e1fdc5a1dd2c3dc746fff22a0814f63a1f38a", kill_on_drop: false }` [INFO] [stdout] 23a86a191cdee06e73d8218ff82e1fdc5a1dd2c3dc746fff22a0814f63a1f38a