[INFO] cloning repository https://github.com/LiamCoal/rusty-calculator [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LiamCoal/rusty-calculator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLiamCoal%2Frusty-calculator", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLiamCoal%2Frusty-calculator'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a49cd7e3ecc575725b7d1139d23821bc869f69e0 [INFO] testing LiamCoal/rusty-calculator against beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLiamCoal%2Frusty-calculator" "/workspace/builds/worker-41/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-41/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/LiamCoal/rusty-calculator on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/LiamCoal/rusty-calculator [INFO] finished tweaking git repo https://github.com/LiamCoal/rusty-calculator [INFO] tweaked toml for git repo https://github.com/LiamCoal/rusty-calculator written to /workspace/builds/worker-41/source/Cargo.toml [INFO] crate git repo https://github.com/LiamCoal/rusty-calculator already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 757f5db7b9095d4b183140bb34ced4d4af7a3746aa3c7727c950eefe3114517c [INFO] running `Command { std: "docker" "start" "-a" "757f5db7b9095d4b183140bb34ced4d4af7a3746aa3c7727c950eefe3114517c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "757f5db7b9095d4b183140bb34ced4d4af7a3746aa3c7727c950eefe3114517c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "757f5db7b9095d4b183140bb34ced4d4af7a3746aa3c7727c950eefe3114517c", kill_on_drop: false }` [INFO] [stdout] 757f5db7b9095d4b183140bb34ced4d4af7a3746aa3c7727c950eefe3114517c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f3265c180399d8843681949c6dd2c5fb5c9f4bc1a6b154336849308e3b3e249f [INFO] running `Command { std: "docker" "start" "-a" "f3265c180399d8843681949c6dd2c5fb5c9f4bc1a6b154336849308e3b3e249f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.74 [INFO] [stderr] Compiling nix v0.17.0 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling regex-syntax v0.6.18 [INFO] [stderr] Compiling utf8parse v0.2.0 [INFO] [stderr] Compiling assert_approx_eq v1.1.0 [INFO] [stderr] Compiling aho-corasick v0.7.13 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling dirs-sys-next v0.1.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling regex v1.3.9 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling colored v2.0.0 [INFO] [stderr] Compiling dirs-next v1.0.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling rustyline v6.2.0 [INFO] [stderr] Compiling rusty-calculator v1.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Write`, `stdin`, `stdout` [INFO] [stdout] --> src/main.rs:8:15 [INFO] [stdout] | [INFO] [stdout] 8 | use std::io::{stdin, stdout, Write, Read}; [INFO] [stdout] | ^^^^^ ^^^^^^ ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::Borrow` [INFO] [stdout] --> src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use std::borrow::Borrow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `exp` is never read [INFO] [stdout] --> src/main.rs:26:21 [INFO] [stdout] | [INFO] [stdout] 26 | let mut exp = String::new(); [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 does not need to be mutable [INFO] [stdout] --> src/main.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | let mut args = args().collect::>(); [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: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:53:9 [INFO] [stdout] | [INFO] [stdout] 53 | script.read_to_string(&mut file); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 23.80s [INFO] running `Command { std: "docker" "inspect" "f3265c180399d8843681949c6dd2c5fb5c9f4bc1a6b154336849308e3b3e249f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f3265c180399d8843681949c6dd2c5fb5c9f4bc1a6b154336849308e3b3e249f", kill_on_drop: false }` [INFO] [stdout] f3265c180399d8843681949c6dd2c5fb5c9f4bc1a6b154336849308e3b3e249f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] aa94f5d2a623880fcee8766c13efd0d791a338e2ac719701fa3bc3640a1a2008 [INFO] running `Command { std: "docker" "start" "-a" "aa94f5d2a623880fcee8766c13efd0d791a338e2ac719701fa3bc3640a1a2008", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling rusty-calculator v1.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Write`, `stdin`, `stdout` [INFO] [stdout] --> src/main.rs:8:15 [INFO] [stdout] | [INFO] [stdout] 8 | use std::io::{stdin, stdout, Write, Read}; [INFO] [stdout] | ^^^^^ ^^^^^^ ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::Borrow` [INFO] [stdout] --> src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use std::borrow::Borrow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `exp` is never read [INFO] [stdout] --> src/main.rs:26:21 [INFO] [stdout] | [INFO] [stdout] 26 | let mut exp = String::new(); [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 does not need to be mutable [INFO] [stdout] --> src/main.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | let mut args = args().collect::>(); [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: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:53:9 [INFO] [stdout] | [INFO] [stdout] 53 | script.read_to_string(&mut file); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.28s [INFO] running `Command { std: "docker" "inspect" "aa94f5d2a623880fcee8766c13efd0d791a338e2ac719701fa3bc3640a1a2008", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aa94f5d2a623880fcee8766c13efd0d791a338e2ac719701fa3bc3640a1a2008", kill_on_drop: false }` [INFO] [stdout] aa94f5d2a623880fcee8766c13efd0d791a338e2ac719701fa3bc3640a1a2008 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 972a9fedef7f1757b6e89c03a901f8c3d2534752c7d05ee214026f47127e44ca [INFO] running `Command { std: "docker" "start" "-a" "972a9fedef7f1757b6e89c03a901f8c3d2534752c7d05ee214026f47127e44ca", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused imports: `Write`, `stdin`, `stdout` [INFO] [stderr] --> src/main.rs:8:15 [INFO] [stderr] | [INFO] [stderr] 8 | use std::io::{stdin, stdout, Write, Read}; [INFO] [stderr] | ^^^^^ ^^^^^^ ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::borrow::Borrow` [INFO] [stderr] --> src/main.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | use std::borrow::Borrow; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: value assigned to `exp` is never read [INFO] [stderr] --> src/main.rs:26:21 [INFO] [stderr] | [INFO] [stderr] 26 | let mut exp = String::new(); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:18:9 [INFO] [stderr] | [INFO] [stderr] 18 | let mut args = args().collect::>(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:53:9 [INFO] [stderr] | [INFO] [stderr] 53 | script.read_to_string(&mut file); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: `rusty-calculator` (bin "rusty-calculator" test) generated 5 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.43s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rusty_calculator-2ded78369ea09204) [INFO] [stdout] running 3 tests [INFO] [stdout] test tokenizer::test_tokenize ... ok [INFO] [stdout] test tokenizer::test_squash ... ok [INFO] [stdout] test calculator::test_calculate ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "972a9fedef7f1757b6e89c03a901f8c3d2534752c7d05ee214026f47127e44ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "972a9fedef7f1757b6e89c03a901f8c3d2534752c7d05ee214026f47127e44ca", kill_on_drop: false }` [INFO] [stdout] 972a9fedef7f1757b6e89c03a901f8c3d2534752c7d05ee214026f47127e44ca