[INFO] cloning repository https://github.com/george4591/calculator [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/george4591/calculator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgeorge4591%2Fcalculator", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgeorge4591%2Fcalculator'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 846a473b107927acad5e26b0cffb99639893fb9f [INFO] testing george4591/calculator against 1.59.0 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgeorge4591%2Fcalculator" "/workspace/builds/worker-48/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-48/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/george4591/calculator on toolchain 1.59.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/george4591/calculator [INFO] finished tweaking git repo https://github.com/george4591/calculator [INFO] tweaked toml for git repo https://github.com/george4591/calculator written to /workspace/builds/worker-48/source/Cargo.toml [INFO] crate git repo https://github.com/george4591/calculator already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a91de1010fd560fcf5f4b7eb3dc2cdd6469b526422349ce7e258ad422a924f1f [INFO] running `Command { std: "docker" "start" "-a" "a91de1010fd560fcf5f4b7eb3dc2cdd6469b526422349ce7e258ad422a924f1f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a91de1010fd560fcf5f4b7eb3dc2cdd6469b526422349ce7e258ad422a924f1f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a91de1010fd560fcf5f4b7eb3dc2cdd6469b526422349ce7e258ad422a924f1f", kill_on_drop: false }` [INFO] [stdout] a91de1010fd560fcf5f4b7eb3dc2cdd6469b526422349ce7e258ad422a924f1f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d156c99bf1fe9d9fce5c2e2b705bd210ce4c9f2b36c7c92581b73530b30c49b1 [INFO] running `Command { std: "docker" "start" "-a" "d156c99bf1fe9d9fce5c2e2b705bd210ce4c9f2b36c7c92581b73530b30c49b1", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling calculator v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `stack::Stack` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use stack::Stack; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::string` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::string; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Stack` [INFO] [stdout] --> src/stack.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct Stack { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/stack.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `pop` [INFO] [stdout] --> src/stack.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 10 | pub fn pop(&mut self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `push` [INFO] [stdout] --> src/stack.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn push(&mut self, item: T) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_empty` [INFO] [stdout] --> src/stack.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 18 | pub fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `length` [INFO] [stdout] --> src/stack.rs:22:12 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn length(&self) -> usize { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek` [INFO] [stdout] --> src/stack.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn peek(&self) -> Option<&T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.62s [INFO] running `Command { std: "docker" "inspect" "d156c99bf1fe9d9fce5c2e2b705bd210ce4c9f2b36c7c92581b73530b30c49b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d156c99bf1fe9d9fce5c2e2b705bd210ce4c9f2b36c7c92581b73530b30c49b1", kill_on_drop: false }` [INFO] [stdout] d156c99bf1fe9d9fce5c2e2b705bd210ce4c9f2b36c7c92581b73530b30c49b1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a277bb17c58468dabca23f8567a39b8ec2f51562c0baa5439ef80b0f9c91557c [INFO] running `Command { std: "docker" "start" "-a" "a277bb17c58468dabca23f8567a39b8ec2f51562c0baa5439ef80b0f9c91557c", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling calculator v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `stack::Stack` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use stack::Stack; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::string` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::string; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Stack` [INFO] [stdout] --> src/stack.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct Stack { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/stack.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `pop` [INFO] [stdout] --> src/stack.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 10 | pub fn pop(&mut self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `push` [INFO] [stdout] --> src/stack.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn push(&mut self, item: T) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_empty` [INFO] [stdout] --> src/stack.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 18 | pub fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `length` [INFO] [stdout] --> src/stack.rs:22:12 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn length(&self) -> usize { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek` [INFO] [stdout] --> src/stack.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn peek(&self) -> Option<&T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 12.43s [INFO] running `Command { std: "docker" "inspect" "a277bb17c58468dabca23f8567a39b8ec2f51562c0baa5439ef80b0f9c91557c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a277bb17c58468dabca23f8567a39b8ec2f51562c0baa5439ef80b0f9c91557c", kill_on_drop: false }` [INFO] [stdout] a277bb17c58468dabca23f8567a39b8ec2f51562c0baa5439ef80b0f9c91557c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 6fda716f8fcc85b9ac9ef50215ded1695b03fd0a61ea31f2db5bdf1ca56ffea9 [INFO] running `Command { std: "docker" "start" "-a" "6fda716f8fcc85b9ac9ef50215ded1695b03fd0a61ea31f2db5bdf1ca56ffea9", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused import: `stack::Stack` [INFO] [stderr] --> src/main.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use stack::Stack; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::string` [INFO] [stderr] --> src/main.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::string; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Stack` [INFO] [stderr] --> src/stack.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | pub struct Stack { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/stack.rs:6:12 [INFO] [stderr] | [INFO] [stderr] 6 | pub fn new() -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `pop` [INFO] [stderr] --> src/stack.rs:10:12 [INFO] [stderr] | [INFO] [stderr] 10 | pub fn pop(&mut self) -> Option { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `push` [INFO] [stderr] --> src/stack.rs:14:12 [INFO] [stderr] | [INFO] [stderr] 14 | pub fn push(&mut self, item: T) { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `is_empty` [INFO] [stderr] --> src/stack.rs:18:12 [INFO] [stderr] | [INFO] [stderr] 18 | pub fn is_empty(&self) -> bool { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `length` [INFO] [stderr] --> src/stack.rs:22:12 [INFO] [stderr] | [INFO] [stderr] 22 | pub fn length(&self) -> usize { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `peek` [INFO] [stderr] --> src/stack.rs:26:12 [INFO] [stderr] | [INFO] [stderr] 26 | pub fn peek(&self) -> Option<&T> { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: `calculator` (bin "calculator" test) generated 9 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.85s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/calculator-db6a95ebc5337dd7) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "6fda716f8fcc85b9ac9ef50215ded1695b03fd0a61ea31f2db5bdf1ca56ffea9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6fda716f8fcc85b9ac9ef50215ded1695b03fd0a61ea31f2db5bdf1ca56ffea9", kill_on_drop: false }` [INFO] [stdout] 6fda716f8fcc85b9ac9ef50215ded1695b03fd0a61ea31f2db5bdf1ca56ffea9