[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#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsander777%2Fbig_numbers" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sander777/big_numbers on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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-12/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b4893acb2ad37798d1b07d138a5c9a33b78e5fda06b95530923d05504b4628c1 [INFO] running `Command { std: "docker" "start" "-a" "b4893acb2ad37798d1b07d138a5c9a33b78e5fda06b95530923d05504b4628c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b4893acb2ad37798d1b07d138a5c9a33b78e5fda06b95530923d05504b4628c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b4893acb2ad37798d1b07d138a5c9a33b78e5fda06b95530923d05504b4628c1", kill_on_drop: false }` [INFO] [stdout] b4893acb2ad37798d1b07d138a5c9a33b78e5fda06b95530923d05504b4628c1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f569b54d4ac4001f86786c9affed8fdad265a7cf43260a3f6bd154934c4eea2e [INFO] running `Command { std: "docker" "start" "-a" "f569b54d4ac4001f86786c9affed8fdad265a7cf43260a3f6bd154934c4eea2e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling getrandom v0.2.1 [INFO] [stderr] Compiling cfg-if v1.0.0 [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 11.53s [INFO] running `Command { std: "docker" "inspect" "f569b54d4ac4001f86786c9affed8fdad265a7cf43260a3f6bd154934c4eea2e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f569b54d4ac4001f86786c9affed8fdad265a7cf43260a3f6bd154934c4eea2e", kill_on_drop: false }` [INFO] [stdout] f569b54d4ac4001f86786c9affed8fdad265a7cf43260a3f6bd154934c4eea2e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 93afe3f85f76b8ce9e633358eeeb49be973051e0e8882fb394383fdf5108d102 [INFO] running `Command { std: "docker" "start" "-a" "93afe3f85f76b8ce9e633358eeeb49be973051e0e8882fb394383fdf5108d102", kill_on_drop: false }` [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] [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: 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 1.51s [INFO] running `Command { std: "docker" "inspect" "93afe3f85f76b8ce9e633358eeeb49be973051e0e8882fb394383fdf5108d102", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "93afe3f85f76b8ce9e633358eeeb49be973051e0e8882fb394383fdf5108d102", kill_on_drop: false }` [INFO] [stdout] 93afe3f85f76b8ce9e633358eeeb49be973051e0e8882fb394383fdf5108d102 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 26fb9fc70dea5ef3b46232ed249b9dcc633e027f82e62d958cdfd43281a6e25a [INFO] running `Command { std: "docker" "start" "-a" "26fb9fc70dea5ef3b46232ed249b9dcc633e027f82e62d958cdfd43281a6e25a", kill_on_drop: false }` [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: `my_big_numbers` (lib) generated 2 warnings [INFO] [stderr] warning: `my_big_numbers` (lib test) generated 2 warnings (2 duplicates) [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: `my_big_numbers` (bin "my_big_numbers" test) generated 3 warnings (2 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/my_big_numbers-33a80e9d594d2bd2) [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] [stderr] Running unittests (/opt/rustwide/target/debug/deps/my_big_numbers-20bfe4fa1e056a61) [INFO] [stdout] [INFO] [stderr] Doc-tests my_big_numbers [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] [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" "26fb9fc70dea5ef3b46232ed249b9dcc633e027f82e62d958cdfd43281a6e25a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "26fb9fc70dea5ef3b46232ed249b9dcc633e027f82e62d958cdfd43281a6e25a", kill_on_drop: false }` [INFO] [stdout] 26fb9fc70dea5ef3b46232ed249b9dcc633e027f82e62d958cdfd43281a6e25a