[INFO] cloning repository https://github.com/zjjfly/DiveIntoRust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zjjfly/DiveIntoRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzjjfly%2FDiveIntoRust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzjjfly%2FDiveIntoRust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 877c1bb705bbbb02f97fe5b709a24db219a45d2c [INFO] checking zjjfly/DiveIntoRust against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzjjfly%2FDiveIntoRust" "/workspace/builds/worker-30/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-30/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/zjjfly/DiveIntoRust on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/zjjfly/DiveIntoRust [INFO] finished tweaking git repo https://github.com/zjjfly/DiveIntoRust [INFO] tweaked toml for git repo https://github.com/zjjfly/DiveIntoRust written to /workspace/builds/worker-30/source/Cargo.toml [INFO] crate git repo https://github.com/zjjfly/DiveIntoRust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2106e0967e0cad0083100ddf03dcd1491552cbbdf05f0a8e054ad0a737375082 [INFO] running `Command { std: "docker" "start" "-a" "2106e0967e0cad0083100ddf03dcd1491552cbbdf05f0a8e054ad0a737375082", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2106e0967e0cad0083100ddf03dcd1491552cbbdf05f0a8e054ad0a737375082", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2106e0967e0cad0083100ddf03dcd1491552cbbdf05f0a8e054ad0a737375082", kill_on_drop: false }` [INFO] [stdout] 2106e0967e0cad0083100ddf03dcd1491552cbbdf05f0a8e054ad0a737375082 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 199cf5d735ad5935114e87047cebe0303a60eaa69383ea8de6959640f33850f8 [INFO] running `Command { std: "docker" "start" "-a" "199cf5d735ad5935114e87047cebe0303a60eaa69383ea8de6959640f33850f8", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Checking dive_into_format v0.1.0 (/tmp/fixit) [INFO] [stderr] Migrating src/lib.rs from 2018 edition to 2021 [INFO] [stdout] warning: function is never used: `add1` [INFO] [stdout] --> src/ch4/function.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn add1(t: (i32, i32)) -> i32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `add2` [INFO] [stdout] --> src/ch4/function.rs:5:4 [INFO] [stdout] | [INFO] [stdout] 5 | fn add2((x, y): (i32, i32)) -> i32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `cube` [INFO] [stdout] --> src/ch4/function.rs:61:10 [INFO] [stdout] | [INFO] [stdout] 61 | const fn cube(num: usize) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused attribute [INFO] [stdout] --> src/ch4/function.rs:60:1 [INFO] [stdout] | [INFO] [stdout] 60 | #[feature(const_fn)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` [INFO] [stdout] --> src/ch4/function.rs:60:1 [INFO] [stdout] | [INFO] [stdout] 60 | #[feature(const_fn)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Migrating src/main.rs from 2018 edition to 2021 [INFO] [stderr] Fixed src/main.rs (1 fix) [INFO] [stderr] Fixed src/ch4/function.rs (4 fixes) [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/ch4/function.rs:55:5 [INFO] [stdout] | [INFO] [stdout] 54 | let _x: i32 = diverges(); [INFO] [stdout] | ---------- any code following this expression is unreachable [INFO] [stdout] 55 | let _y: String = diverges(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `func` is assigned to, but never used [INFO] [stdout] --> src/ch4/function.rs:22:13 [INFO] [stdout] | [INFO] [stdout] 22 | let mut func = add1 as fn((i32, i32)) -> i32; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_func` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `func` is never read [INFO] [stdout] --> src/ch4/function.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | func = add2; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `func` is assigned to, but never used [INFO] [stdout] --> src/ch4/function.rs:25:13 [INFO] [stdout] | [INFO] [stdout] 25 | let mut func: fn((i32, i32)) -> i32 = add1; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_func` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `func` is never read [INFO] [stdout] --> src/ch4/function.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | func = add2; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused attribute [INFO] [stdout] --> src/ch4/function.rs:60:1 [INFO] [stdout] | [INFO] [stdout] 60 | #[feature(const_fn)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` [INFO] [stdout] --> src/ch4/function.rs:60:1 [INFO] [stdout] | [INFO] [stdout] 60 | #[feature(const_fn)] [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 2.02s [INFO] [stderr] Running `cargo check` to verify 2021 [INFO] [stderr] Checking dive_into_format v0.1.0 (/tmp/fixit) [INFO] [stdout] warning: function is never used: `add1` [INFO] [stdout] --> src/ch4/function.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn add1(t: (i32, i32)) -> i32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `add2` [INFO] [stdout] --> src/ch4/function.rs:5:4 [INFO] [stdout] | [INFO] [stdout] 5 | fn add2((x, y): (i32, i32)) -> i32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `cube` [INFO] [stdout] --> src/ch4/function.rs:61:10 [INFO] [stdout] | [INFO] [stdout] 61 | const fn cube(num: usize) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused attribute [INFO] [stdout] --> src/ch4/function.rs:60:1 [INFO] [stdout] | [INFO] [stdout] 60 | #[feature(const_fn)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` [INFO] [stdout] --> src/ch4/function.rs:60:1 [INFO] [stdout] | [INFO] [stdout] 60 | #[feature(const_fn)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/ch4/function.rs:55:5 [INFO] [stdout] | [INFO] [stdout] 54 | let _x: i32 = diverges(); [INFO] [stdout] | ---------- any code following this expression is unreachable [INFO] [stdout] 55 | let _y: String = diverges(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `func` is assigned to, but never used [INFO] [stdout] --> src/ch4/function.rs:22:13 [INFO] [stdout] | [INFO] [stdout] 22 | let mut func = add1 as fn((i32, i32)) -> i32; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_func` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `func` is never read [INFO] [stdout] --> src/ch4/function.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | func = add2; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `func` is assigned to, but never used [INFO] [stdout] --> src/ch4/function.rs:25:13 [INFO] [stdout] | [INFO] [stdout] 25 | let mut func: fn((i32, i32)) -> i32 = add1; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_func` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `func` is never read [INFO] [stdout] --> src/ch4/function.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | func = add2; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused attribute [INFO] [stdout] --> src/ch4/function.rs:60:1 [INFO] [stdout] | [INFO] [stdout] 60 | #[feature(const_fn)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` [INFO] [stdout] --> src/ch4/function.rs:60:1 [INFO] [stdout] | [INFO] [stdout] 60 | #[feature(const_fn)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.22s [INFO] running `Command { std: "docker" "inspect" "199cf5d735ad5935114e87047cebe0303a60eaa69383ea8de6959640f33850f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "199cf5d735ad5935114e87047cebe0303a60eaa69383ea8de6959640f33850f8", kill_on_drop: false }` [INFO] [stdout] 199cf5d735ad5935114e87047cebe0303a60eaa69383ea8de6959640f33850f8