[INFO] cloning repository https://github.com/userr2232/fixed-length-bd2 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/userr2232/fixed-length-bd2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuserr2232%2Ffixed-length-bd2", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuserr2232%2Ffixed-length-bd2'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 67d79fdc9549d6653f236a2b5a4146e1952b5c9e [INFO] checking userr2232/fixed-length-bd2 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuserr2232%2Ffixed-length-bd2" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/userr2232/fixed-length-bd2 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/userr2232/fixed-length-bd2 [INFO] finished tweaking git repo https://github.com/userr2232/fixed-length-bd2 [INFO] tweaked toml for git repo https://github.com/userr2232/fixed-length-bd2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/userr2232/fixed-length-bd2 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded fixed_width v0.4.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3d6cc73d8fd2d5cd5e4b107d3e788ef8b8c64742484251734f1aaa9793dc6fd5 [INFO] running `Command { std: "docker" "start" "-a" "3d6cc73d8fd2d5cd5e4b107d3e788ef8b8c64742484251734f1aaa9793dc6fd5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3d6cc73d8fd2d5cd5e4b107d3e788ef8b8c64742484251734f1aaa9793dc6fd5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3d6cc73d8fd2d5cd5e4b107d3e788ef8b8c64742484251734f1aaa9793dc6fd5", kill_on_drop: false }` [INFO] [stdout] 3d6cc73d8fd2d5cd5e4b107d3e788ef8b8c64742484251734f1aaa9793dc6fd5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7515631dfbbac93e8496eb780f9f5cf5b0692d9bc107fd43d1ddf07ce57d4ae0 [INFO] running `Command { std: "docker" "start" "-a" "7515631dfbbac93e8496eb780f9f5cf5b0692d9bc107fd43d1ddf07ce57d4ae0", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling serde v1.0.105 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Compiling serde_derive v1.0.105 [INFO] [stderr] Checking fixed_width v0.4.0 [INFO] [stderr] Checking lab1_1 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `bytes` [INFO] [stdout] --> src/main.rs:70:13 [INFO] [stdout] | [INFO] [stdout] 70 | let mut bytes: u64 = 0; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `bytes` [INFO] [stdout] --> src/main.rs:70:13 [INFO] [stdout] | [INFO] [stdout] 70 | let mut bytes: u64 = 0; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:68:9 [INFO] [stdout] | [INFO] [stdout] 68 | let mut file = File::open(path).expect("Error while reading from file."); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:70:9 [INFO] [stdout] | [INFO] [stdout] 70 | let mut bytes: u64 = 0; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:75:17 [INFO] [stdout] | [INFO] [stdout] 75 | let mut file = OpenOptions::new() [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:68:9 [INFO] [stdout] | [INFO] [stdout] 68 | let mut file = File::open(path).expect("Error while reading from file."); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:70:9 [INFO] [stdout] | [INFO] [stdout] 70 | let mut bytes: u64 = 0; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:75:17 [INFO] [stdout] | [INFO] [stdout] 75 | let mut file = OpenOptions::new() [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:94:9 [INFO] [stdout] | [INFO] [stdout] 94 | let mut file = File::open(path).expect("Error while reading from file."); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:94:9 [INFO] [stdout] | [INFO] [stdout] 94 | let mut file = File::open(path).expect("Error while reading from file."); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `loadAlumnos` should have a snake case name [INFO] [stdout] --> src/main.rs:45:4 [INFO] [stdout] | [INFO] [stdout] 45 | fn loadAlumnos(path: &str) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to snake case: `load_alumnos` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `loadMatriculas` should have a snake case name [INFO] [stdout] --> src/main.rs:56:4 [INFO] [stdout] | [INFO] [stdout] 56 | fn loadMatriculas(path: &str) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `load_matriculas` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `lineN` should have a snake case name [INFO] [stdout] --> src/main.rs:96:13 [INFO] [stdout] | [INFO] [stdout] 96 | let mut lineN: u64 = 0; [INFO] [stdout] | ^^^^^ help: convert the identifier to snake case: `line_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `loadAlumnos` should have a snake case name [INFO] [stdout] --> src/main.rs:45:4 [INFO] [stdout] | [INFO] [stdout] 45 | fn loadAlumnos(path: &str) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to snake case: `load_alumnos` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `loadMatriculas` should have a snake case name [INFO] [stdout] --> src/main.rs:56:4 [INFO] [stdout] | [INFO] [stdout] 56 | fn loadMatriculas(path: &str) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `load_matriculas` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `lineN` should have a snake case name [INFO] [stdout] --> src/main.rs:96:13 [INFO] [stdout] | [INFO] [stdout] 96 | let mut lineN: u64 = 0; [INFO] [stdout] | ^^^^^ help: convert the identifier to snake case: `line_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:113:17 [INFO] [stdout] | [INFO] [stdout] 113 | file.write(b"\n"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 113 | let _ = file.write(b"\n"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `alumnoIn` should have a snake case name [INFO] [stdout] --> src/main.rs:123:13 [INFO] [stdout] | [INFO] [stdout] 123 | let alumnoIn = "static/alumnos/in.txt"; [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case: `alumno_in` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `alumnoOut` should have a snake case name [INFO] [stdout] --> src/main.rs:124:13 [INFO] [stdout] | [INFO] [stdout] 124 | let alumnoOut = "static/alumnos/out.txt"; [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `alumno_out` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `matriculaIn` should have a snake case name [INFO] [stdout] --> src/main.rs:141:13 [INFO] [stdout] | [INFO] [stdout] 141 | let matriculaIn = "static/matriculas/in.txt"; [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to snake case: `matricula_in` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `matriculaOut` should have a snake case name [INFO] [stdout] --> src/main.rs:142:13 [INFO] [stdout] | [INFO] [stdout] 142 | let matriculaOut = "static/matriculas/out.txt"; [INFO] [stdout] | ^^^^^^^^^^^^ help: convert the identifier to snake case: `matricula_out` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:113:17 [INFO] [stdout] | [INFO] [stdout] 113 | file.write(b"\n"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 113 | let _ = file.write(b"\n"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `alumnoIn` should have a snake case name [INFO] [stdout] --> src/main.rs:123:13 [INFO] [stdout] | [INFO] [stdout] 123 | let alumnoIn = "static/alumnos/in.txt"; [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case: `alumno_in` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `alumnoOut` should have a snake case name [INFO] [stdout] --> src/main.rs:124:13 [INFO] [stdout] | [INFO] [stdout] 124 | let alumnoOut = "static/alumnos/out.txt"; [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `alumno_out` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `matriculaIn` should have a snake case name [INFO] [stdout] --> src/main.rs:141:13 [INFO] [stdout] | [INFO] [stdout] 141 | let matriculaIn = "static/matriculas/in.txt"; [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to snake case: `matricula_in` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `matriculaOut` should have a snake case name [INFO] [stdout] --> src/main.rs:142:13 [INFO] [stdout] | [INFO] [stdout] 142 | let matriculaOut = "static/matriculas/out.txt"; [INFO] [stdout] | ^^^^^^^^^^^^ help: convert the identifier to snake case: `matricula_out` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.71s [INFO] running `Command { std: "docker" "inspect" "7515631dfbbac93e8496eb780f9f5cf5b0692d9bc107fd43d1ddf07ce57d4ae0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7515631dfbbac93e8496eb780f9f5cf5b0692d9bc107fd43d1ddf07ce57d4ae0", kill_on_drop: false }` [INFO] [stdout] 7515631dfbbac93e8496eb780f9f5cf5b0692d9bc107fd43d1ddf07ce57d4ae0