[INFO] cloning repository https://github.com/sagaban/rust-by-example [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sagaban/rust-by-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsagaban%2Frust-by-example", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsagaban%2Frust-by-example'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2d7f259cdc0f6ca066acfa22d49b7a66667afd24 [INFO] checking sagaban/rust-by-example against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsagaban%2Frust-by-example" "/workspace/builds/worker-37/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-37/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sagaban/rust-by-example 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/sagaban/rust-by-example [INFO] finished tweaking git repo https://github.com/sagaban/rust-by-example [INFO] tweaked toml for git repo https://github.com/sagaban/rust-by-example written to /workspace/builds/worker-37/source/Cargo.toml [INFO] crate git repo https://github.com/sagaban/rust-by-example 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-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] d38f0b6908828d9cbc35e0ce95f6cdcab4a8404b4d8c43d48178aae49cc04eab [INFO] running `Command { std: "docker" "start" "-a" "d38f0b6908828d9cbc35e0ce95f6cdcab4a8404b4d8c43d48178aae49cc04eab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d38f0b6908828d9cbc35e0ce95f6cdcab4a8404b4d8c43d48178aae49cc04eab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d38f0b6908828d9cbc35e0ce95f6cdcab4a8404b4d8c43d48178aae49cc04eab", kill_on_drop: false }` [INFO] [stdout] d38f0b6908828d9cbc35e0ce95f6cdcab4a8404b4d8c43d48178aae49cc04eab [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] ca74e2502461b95054381291851e936b538985fa3f7409475f30d19e739a457e [INFO] running `Command { std: "docker" "start" "-a" "ca74e2502461b95054381291851e936b538985fa3f7409475f30d19e739a457e", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking rust-by-example v0.1.0 (/tmp/fixit) [INFO] [stderr] Migrating src/main.rs from 2018 edition to 2021 [INFO] [stderr] Fixed src/chapters/c02.rs (6 fixes) [INFO] [stdout] warning: variable `inferred_type` is assigned to, but never used [INFO] [stdout] --> src/chapters/c02.rs:35:11 [INFO] [stdout] | [INFO] [stdout] 35 | let mut inferred_type = 12; // Type i64 is inferred from another line [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_inferred_type` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `inferred_type` is never read [INFO] [stdout] --> src/chapters/c02.rs:36:3 [INFO] [stdout] | [INFO] [stdout] 36 | inferred_type = 4294967296i64; [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 `mutable` is assigned to, but never used [INFO] [stdout] --> src/chapters/c02.rs:39:11 [INFO] [stdout] | [INFO] [stdout] 39 | let mut mutable = 12; // Mutable `i32` [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_mutable` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `mutable` is never read [INFO] [stdout] --> src/chapters/c02.rs:40:3 [INFO] [stdout] | [INFO] [stdout] 40 | mutable = 21; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `inferred_type` is assigned to, but never used [INFO] [stdout] --> src/chapters/c02.rs:35:11 [INFO] [stdout] | [INFO] [stdout] 35 | let mut inferred_type = 12; // Type i64 is inferred from another line [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_inferred_type` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `inferred_type` is never read [INFO] [stdout] --> src/chapters/c02.rs:36:3 [INFO] [stdout] | [INFO] [stdout] 36 | inferred_type = 4294967296i64; [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 `mutable` is assigned to, but never used [INFO] [stdout] --> src/chapters/c02.rs:39:11 [INFO] [stdout] | [INFO] [stdout] 39 | let mut mutable = 12; // Mutable `i32` [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_mutable` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `mutable` is never read [INFO] [stdout] --> src/chapters/c02.rs:40:3 [INFO] [stdout] | [INFO] [stdout] 40 | mutable = 21; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Subtract` [INFO] [stdout] --> src/chapters/c03.rs:220:5 [INFO] [stdout] | [INFO] [stdout] 220 | Subtract, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `c_liKe_enums` should have a snake case name [INFO] [stdout] --> src/chapters/c03.rs:281:8 [INFO] [stdout] | [INFO] [stdout] 281 | pub fn c_liKe_enums() { [INFO] [stdout] | ^^^^^^^^^^^^ help: convert the identifier to snake case: `c_li_ke_enums` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Subtract` [INFO] [stdout] --> src/chapters/c03.rs:220:5 [INFO] [stdout] | [INFO] [stdout] 220 | Subtract, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `c_liKe_enums` should have a snake case name [INFO] [stdout] --> src/chapters/c03.rs:281:8 [INFO] [stdout] | [INFO] [stdout] 281 | pub fn c_liKe_enums() { [INFO] [stdout] | ^^^^^^^^^^^^ help: convert the identifier to snake case: `c_li_ke_enums` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.75s [INFO] [stderr] Running `cargo check` to verify 2021 [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking rust-by-example v0.1.0 (/tmp/fixit) [INFO] [stdout] warning: variable `inferred_type` is assigned to, but never used [INFO] [stdout] --> src/chapters/c02.rs:35:11 [INFO] [stdout] | [INFO] [stdout] 35 | let mut inferred_type = 12; // Type i64 is inferred from another line [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_inferred_type` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `inferred_type` is never read [INFO] [stdout] --> src/chapters/c02.rs:36:3 [INFO] [stdout] | [INFO] [stdout] 36 | inferred_type = 4294967296i64; [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 `mutable` is assigned to, but never used [INFO] [stdout] --> src/chapters/c02.rs:39:11 [INFO] [stdout] | [INFO] [stdout] 39 | let mut mutable = 12; // Mutable `i32` [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_mutable` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `mutable` is never read [INFO] [stdout] --> src/chapters/c02.rs:40:3 [INFO] [stdout] | [INFO] [stdout] 40 | mutable = 21; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `inferred_type` is assigned to, but never used [INFO] [stdout] --> src/chapters/c02.rs:35:11 [INFO] [stdout] | [INFO] [stdout] 35 | let mut inferred_type = 12; // Type i64 is inferred from another line [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_inferred_type` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `inferred_type` is never read [INFO] [stdout] --> src/chapters/c02.rs:36:3 [INFO] [stdout] | [INFO] [stdout] 36 | inferred_type = 4294967296i64; [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 `mutable` is assigned to, but never used [INFO] [stdout] --> src/chapters/c02.rs:39:11 [INFO] [stdout] | [INFO] [stdout] 39 | let mut mutable = 12; // Mutable `i32` [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_mutable` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `mutable` is never read [INFO] [stdout] --> src/chapters/c02.rs:40:3 [INFO] [stdout] | [INFO] [stdout] 40 | mutable = 21; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Subtract` [INFO] [stdout] --> src/chapters/c03.rs:220:5 [INFO] [stdout] | [INFO] [stdout] 220 | Subtract, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `c_liKe_enums` should have a snake case name [INFO] [stdout] --> src/chapters/c03.rs:281:8 [INFO] [stdout] | [INFO] [stdout] 281 | pub fn c_liKe_enums() { [INFO] [stdout] | ^^^^^^^^^^^^ help: convert the identifier to snake case: `c_li_ke_enums` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Subtract` [INFO] [stdout] --> src/chapters/c03.rs:220:5 [INFO] [stdout] | [INFO] [stdout] 220 | Subtract, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `c_liKe_enums` should have a snake case name [INFO] [stdout] --> src/chapters/c03.rs:281:8 [INFO] [stdout] | [INFO] [stdout] 281 | pub fn c_liKe_enums() { [INFO] [stdout] | ^^^^^^^^^^^^ help: convert the identifier to snake case: `c_li_ke_enums` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.70s [INFO] running `Command { std: "docker" "inspect" "ca74e2502461b95054381291851e936b538985fa3f7409475f30d19e739a457e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca74e2502461b95054381291851e936b538985fa3f7409475f30d19e739a457e", kill_on_drop: false }` [INFO] [stdout] ca74e2502461b95054381291851e936b538985fa3f7409475f30d19e739a457e