[INFO] cloning repository https://github.com/cynicalart/simple_calculator [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cynicalart/simple_calculator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcynicalart%2Fsimple_calculator", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcynicalart%2Fsimple_calculator'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a3b7e98af636dee3f92215cf0b50a39796a958b6 [INFO] checking cynicalart/simple_calculator against master#7606c13961ddc1174b70638e934df0439b7dc515 for pr-121979 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcynicalart%2Fsimple_calculator" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cynicalart/simple_calculator on toolchain 7606c13961ddc1174b70638e934df0439b7dc515 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7606c13961ddc1174b70638e934df0439b7dc515" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/cynicalart/simple_calculator [INFO] finished tweaking git repo https://github.com/cynicalart/simple_calculator [INFO] tweaked toml for git repo https://github.com/cynicalart/simple_calculator written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/cynicalart/simple_calculator 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" "+7606c13961ddc1174b70638e934df0439b7dc515" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking cynicalart/simple_calculator against try#ae973628c64ab60398819bcc1fd9f08ae68ad5b5 for pr-121979 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcynicalart%2Fsimple_calculator" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cynicalart/simple_calculator on toolchain ae973628c64ab60398819bcc1fd9f08ae68ad5b5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ae973628c64ab60398819bcc1fd9f08ae68ad5b5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/cynicalart/simple_calculator [INFO] finished tweaking git repo https://github.com/cynicalart/simple_calculator [INFO] tweaked toml for git repo https://github.com/cynicalart/simple_calculator written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/cynicalart/simple_calculator 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" "+ae973628c64ab60398819bcc1fd9f08ae68ad5b5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ae973628c64ab60398819bcc1fd9f08ae68ad5b5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b1254e693e6d12c770be72f58aa5a45c9be4f8a36112e13bf44d6a6887517c1b [INFO] running `Command { std: "docker" "start" "-a" "b1254e693e6d12c770be72f58aa5a45c9be4f8a36112e13bf44d6a6887517c1b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b1254e693e6d12c770be72f58aa5a45c9be4f8a36112e13bf44d6a6887517c1b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b1254e693e6d12c770be72f58aa5a45c9be4f8a36112e13bf44d6a6887517c1b", kill_on_drop: false }` [INFO] [stdout] b1254e693e6d12c770be72f58aa5a45c9be4f8a36112e13bf44d6a6887517c1b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ae973628c64ab60398819bcc1fd9f08ae68ad5b5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 526411ea1cdf16cb47d6df7891ae8593e940d5f2d8ca69136514eb54b1c1e359 [INFO] running `Command { std: "docker" "start" "-a" "526411ea1cdf16cb47d6df7891ae8593e940d5f2d8ca69136514eb54b1c1e359", kill_on_drop: false }` [INFO] [stderr] Checking simple_calculator v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `multiplier` is never read [INFO] [stdout] --> src/calculus.rs:440:13 [INFO] [stdout] | [INFO] [stdout] 440 | let mut multiplier: f64 = 0.0; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `exponent` is never read [INFO] [stdout] --> src/calculus.rs:441:13 [INFO] [stdout] | [INFO] [stdout] 441 | let mut exponent: f64 = 0.0; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `new_multiplier` is never read [INFO] [stdout] --> src/calculus.rs:444:13 [INFO] [stdout] | [INFO] [stdout] 444 | let mut new_multiplier: f64 = 0.0; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `new_exponent` is never read [INFO] [stdout] --> src/calculus.rs:445:13 [INFO] [stdout] | [INFO] [stdout] 445 | let mut new_exponent: f64 = 0.0; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/calculus.rs:447:10 [INFO] [stdout] | [INFO] [stdout] 447 | for (i, vector) in product_rule_vec.iter().enumerate() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `multiplier` is never read [INFO] [stdout] --> src/calculus.rs:452:9 [INFO] [stdout] | [INFO] [stdout] 452 | multiplier = 0.0; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `exponent` is never read [INFO] [stdout] --> src/calculus.rs:453:9 [INFO] [stdout] | [INFO] [stdout] 453 | exponent = 0.0; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `multiplied_derivative` is never read [INFO] [stdout] --> src/calculus.rs:535:5 [INFO] [stdout] | [INFO] [stdout] 535 | multiplied_derivative = Vec::new(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `multiplier` is never read [INFO] [stdout] --> src/calculus.rs:440:13 [INFO] [stdout] | [INFO] [stdout] 440 | let mut multiplier: f64 = 0.0; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `exponent` is never read [INFO] [stdout] --> src/calculus.rs:441:13 [INFO] [stdout] | [INFO] [stdout] 441 | let mut exponent: f64 = 0.0; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `new_multiplier` is never read [INFO] [stdout] --> src/calculus.rs:444:13 [INFO] [stdout] | [INFO] [stdout] 444 | let mut new_multiplier: f64 = 0.0; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `new_exponent` is never read [INFO] [stdout] --> src/calculus.rs:445:13 [INFO] [stdout] | [INFO] [stdout] 445 | let mut new_exponent: f64 = 0.0; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/calculus.rs:447:10 [INFO] [stdout] | [INFO] [stdout] 447 | for (i, vector) in product_rule_vec.iter().enumerate() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `multiplier` is never read [INFO] [stdout] --> src/calculus.rs:452:9 [INFO] [stdout] | [INFO] [stdout] 452 | multiplier = 0.0; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `exponent` is never read [INFO] [stdout] --> src/calculus.rs:453:9 [INFO] [stdout] | [INFO] [stdout] 453 | exponent = 0.0; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `multiplied_derivative` is never read [INFO] [stdout] --> src/calculus.rs:535:5 [INFO] [stdout] | [INFO] [stdout] 535 | multiplied_derivative = Vec::new(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `derivative` [INFO] [stdout] --> src/main.rs:39:13 [INFO] [stdout] | [INFO] [stdout] 39 | let derivative = calculus::calculate_derivative(expression_vec); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_derivative` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `OPERATORS_ARR` is never used [INFO] [stdout] --> src/calculus.rs:5:7 [INFO] [stdout] | [INFO] [stdout] 5 | const OPERATORS_ARR: [char; 5] = ['^', '*', '/', '+', '-']; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `FUNCTIONS_ARR` is never used [INFO] [stdout] --> src/calculus.rs:6:7 [INFO] [stdout] | [INFO] [stdout] 6 | const FUNCTIONS_ARR: [&str; 16] = ["log", "ln", "sin", "cos", "tan", "csc", "sec", "cot", "arcsin", "arccos", "arctan", "arccsc", "arcsec... [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `EULER` is never used [INFO] [stdout] --> src/calculus.rs:8:7 [INFO] [stdout] | [INFO] [stdout] 8 | const EULER: f64 = std::f64::consts::E; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `PI` is never used [INFO] [stdout] --> src/calculus.rs:9:7 [INFO] [stdout] | [INFO] [stdout] 9 | const PI: f64 = std::f64::consts::PI; [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `derivative` [INFO] [stdout] --> src/main.rs:39:13 [INFO] [stdout] | [INFO] [stdout] 39 | let derivative = calculus::calculate_derivative(expression_vec); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_derivative` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `OPERATORS_ARR` is never used [INFO] [stdout] --> src/calculus.rs:5:7 [INFO] [stdout] | [INFO] [stdout] 5 | const OPERATORS_ARR: [char; 5] = ['^', '*', '/', '+', '-']; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `FUNCTIONS_ARR` is never used [INFO] [stdout] --> src/calculus.rs:6:7 [INFO] [stdout] | [INFO] [stdout] 6 | const FUNCTIONS_ARR: [&str; 16] = ["log", "ln", "sin", "cos", "tan", "csc", "sec", "cot", "arcsin", "arccos", "arctan", "arccsc", "arcsec... [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `EULER` is never used [INFO] [stdout] --> src/calculus.rs:8:7 [INFO] [stdout] | [INFO] [stdout] 8 | const EULER: f64 = std::f64::consts::E; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `PI` is never used [INFO] [stdout] --> src/calculus.rs:9:7 [INFO] [stdout] | [INFO] [stdout] 9 | const PI: f64 = std::f64::consts::PI; [INFO] [stdout] | ^^ [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 0.12s [INFO] running `Command { std: "docker" "inspect" "526411ea1cdf16cb47d6df7891ae8593e940d5f2d8ca69136514eb54b1c1e359", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "526411ea1cdf16cb47d6df7891ae8593e940d5f2d8ca69136514eb54b1c1e359", kill_on_drop: false }` [INFO] [stdout] 526411ea1cdf16cb47d6df7891ae8593e940d5f2d8ca69136514eb54b1c1e359