[INFO] cloning repository https://github.com/sander777/big_numbers [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sander777/big_numbers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsander777%2Fbig_numbers", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsander777%2Fbig_numbers'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8ec813b9fbf7f1dfbbeeefa36209a515c7e79fb6 [INFO] testing sander777/big_numbers against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsander777%2Fbig_numbers" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sander777/big_numbers on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sander777/big_numbers [INFO] finished tweaking git repo https://github.com/sander777/big_numbers [INFO] tweaked toml for git repo https://github.com/sander777/big_numbers written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/sander777/big_numbers already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d2e39929111ee765d7db21fdc45a307f73f5a501b01655b173898a8f579fd881 [INFO] running `Command { std: "docker" "start" "-a" "d2e39929111ee765d7db21fdc45a307f73f5a501b01655b173898a8f579fd881", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d2e39929111ee765d7db21fdc45a307f73f5a501b01655b173898a8f579fd881", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d2e39929111ee765d7db21fdc45a307f73f5a501b01655b173898a8f579fd881", kill_on_drop: false }` [INFO] [stdout] d2e39929111ee765d7db21fdc45a307f73f5a501b01655b173898a8f579fd881 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 56a308343d419410472f307275cc2a59618eed34a2e9d18a61c9935a90a34948 [INFO] running `Command { std: "docker" "start" "-a" "56a308343d419410472f307275cc2a59618eed34a2e9d18a61c9935a90a34948", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling getrandom v0.2.1 [INFO] [stderr] Compiling rand_core v0.6.1 [INFO] [stderr] Compiling rand_chacha v0.3.0 [INFO] [stderr] Compiling rand v0.8.1 [INFO] [stderr] Compiling my_big_numbers v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `num_list` is never read [INFO] [stdout] --> src/big_number.rs:212:17 [INFO] [stdout] | [INFO] [stdout] 212 | let mut num_list = LinkedList::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: value assigned to `sign` is never read [INFO] [stdout] --> src/big_number.rs:213:17 [INFO] [stdout] | [INFO] [stdout] 213 | let mut sign = 1; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `num_list` is never read [INFO] [stdout] --> src/big_number.rs:212:17 [INFO] [stdout] | [INFO] [stdout] 212 | let mut num_list = LinkedList::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: value assigned to `sign` is never read [INFO] [stdout] --> src/big_number.rs:213:17 [INFO] [stdout] | [INFO] [stdout] 213 | let mut sign = 1; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test` [INFO] [stdout] --> src/main.rs:32:4 [INFO] [stdout] | [INFO] [stdout] 32 | fn test() { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.65s [INFO] running `Command { std: "docker" "inspect" "56a308343d419410472f307275cc2a59618eed34a2e9d18a61c9935a90a34948", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "56a308343d419410472f307275cc2a59618eed34a2e9d18a61c9935a90a34948", kill_on_drop: false }` [INFO] [stdout] 56a308343d419410472f307275cc2a59618eed34a2e9d18a61c9935a90a34948 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7a1d28b8db032f4d5781d8def54cfbf44b1fb98754e9d6f2f93522404f248018 [INFO] running `Command { std: "docker" "start" "-a" "7a1d28b8db032f4d5781d8def54cfbf44b1fb98754e9d6f2f93522404f248018", kill_on_drop: false }` [INFO] [stderr] Compiling my_big_numbers v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `num_list` is never read [INFO] [stdout] --> src/big_number.rs:212:17 [INFO] [stdout] | [INFO] [stdout] 212 | let mut num_list = LinkedList::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: value assigned to `sign` is never read [INFO] [stdout] --> src/big_number.rs:213:17 [INFO] [stdout] | [INFO] [stdout] 213 | let mut sign = 1; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `num_list` is never read [INFO] [stdout] --> src/big_number.rs:212:17 [INFO] [stdout] | [INFO] [stdout] 212 | let mut num_list = LinkedList::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: value assigned to `sign` is never read [INFO] [stdout] --> src/big_number.rs:213:17 [INFO] [stdout] | [INFO] [stdout] 213 | let mut sign = 1; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `num_list` is never read [INFO] [stdout] --> src/big_number.rs:212:17 [INFO] [stdout] | [INFO] [stdout] 212 | let mut num_list = LinkedList::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: value assigned to `sign` is never read [INFO] [stdout] --> src/big_number.rs:213:17 [INFO] [stdout] | [INFO] [stdout] 213 | let mut sign = 1; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test` [INFO] [stdout] --> src/main.rs:32:4 [INFO] [stdout] | [INFO] [stdout] 32 | fn test() { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.72s [INFO] running `Command { std: "docker" "inspect" "7a1d28b8db032f4d5781d8def54cfbf44b1fb98754e9d6f2f93522404f248018", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a1d28b8db032f4d5781d8def54cfbf44b1fb98754e9d6f2f93522404f248018", kill_on_drop: false }` [INFO] [stdout] 7a1d28b8db032f4d5781d8def54cfbf44b1fb98754e9d6f2f93522404f248018 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] afe9ab69ba8e79517b07209972b75d6c0d181689fbca242f77b14865da40aa1b [INFO] running `Command { std: "docker" "start" "-a" "afe9ab69ba8e79517b07209972b75d6c0d181689fbca242f77b14865da40aa1b", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: value assigned to `num_list` is never read [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/big_number.rs:212:17 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 212 | let mut num_list = LinkedList::new(); [INFO] [stdout] [INFO] [stderr] | ^^^^^^^^ [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] running 0 tests [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] [INFO] [stdout] [INFO] [stderr] warning: value assigned to `sign` is never read [INFO] [stderr] --> src/big_number.rs:213:17 [INFO] [stderr] | [INFO] [stderr] 213 | let mut sign = 1; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: value assigned to `num_list` is never read [INFO] [stderr] --> src/big_number.rs:212:17 [INFO] [stderr] | [INFO] [stderr] 212 | let mut num_list = LinkedList::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: value assigned to `sign` is never read [INFO] [stderr] --> src/big_number.rs:213:17 [INFO] [stderr] | [INFO] [stderr] 213 | let mut sign = 1; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: value assigned to `num_list` is never read [INFO] [stderr] --> src/big_number.rs:212:17 [INFO] [stderr] | [INFO] [stderr] 212 | let mut num_list = LinkedList::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: value assigned to `sign` is never read [INFO] [stderr] --> src/big_number.rs:213:17 [INFO] [stderr] | [INFO] [stderr] 213 | let mut sign = 1; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test` [INFO] [stderr] --> src/main.rs:32:4 [INFO] [stderr] | [INFO] [stderr] 32 | fn test() { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/my_big_numbers-33a80e9d594d2bd2) [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/my_big_numbers-20bfe4fa1e056a61) [INFO] [stderr] Doc-tests my_big_numbers [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" "afe9ab69ba8e79517b07209972b75d6c0d181689fbca242f77b14865da40aa1b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "afe9ab69ba8e79517b07209972b75d6c0d181689fbca242f77b14865da40aa1b", kill_on_drop: false }` [INFO] [stdout] afe9ab69ba8e79517b07209972b75d6c0d181689fbca242f77b14865da40aa1b