[INFO] cloning repository https://github.com/kk1fff/backprop [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kk1fff/backprop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkk1fff%2Fbackprop", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkk1fff%2Fbackprop'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d1f30e9edd4f6f5cbd325482566ab28cd9c8b54f [INFO] testing kk1fff/backprop against 1.59.0 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkk1fff%2Fbackprop" "/workspace/builds/worker-109/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-109/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kk1fff/backprop 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/kk1fff/backprop [INFO] finished tweaking git repo https://github.com/kk1fff/backprop [INFO] tweaked toml for git repo https://github.com/kk1fff/backprop written to /workspace/builds/worker-109/source/Cargo.toml [INFO] crate git repo https://github.com/kk1fff/backprop 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-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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] 0f565c60cbc8d80e8a7ebabce3dfeae80bf2dadd0766d84b73e32df74261c284 [INFO] running `Command { std: "docker" "start" "-a" "0f565c60cbc8d80e8a7ebabce3dfeae80bf2dadd0766d84b73e32df74261c284", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0f565c60cbc8d80e8a7ebabce3dfeae80bf2dadd0766d84b73e32df74261c284", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0f565c60cbc8d80e8a7ebabce3dfeae80bf2dadd0766d84b73e32df74261c284", kill_on_drop: false }` [INFO] [stdout] 0f565c60cbc8d80e8a7ebabce3dfeae80bf2dadd0766d84b73e32df74261c284 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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] d6202cc2dd175237a441d0ecc0a360dd813e3621df98eb828bb512a89b8847e4 [INFO] running `Command { std: "docker" "start" "-a" "d6202cc2dd175237a441d0ecc0a360dd813e3621df98eb828bb512a89b8847e4", kill_on_drop: false }` [INFO] [stderr] Compiling backprop v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `name` [INFO] [stdout] --> src/main.rs:46:5 [INFO] [stdout] | [INFO] [stdout] 46 | name: String, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `name` [INFO] [stdout] --> src/main.rs:93:5 [INFO] [stdout] | [INFO] [stdout] 93 | name: String, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `op_set` [INFO] [stdout] --> src/main.rs:94:5 [INFO] [stdout] | [INFO] [stdout] 94 | op_set: HashSet, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.49s [INFO] running `Command { std: "docker" "inspect" "d6202cc2dd175237a441d0ecc0a360dd813e3621df98eb828bb512a89b8847e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d6202cc2dd175237a441d0ecc0a360dd813e3621df98eb828bb512a89b8847e4", kill_on_drop: false }` [INFO] [stdout] d6202cc2dd175237a441d0ecc0a360dd813e3621df98eb828bb512a89b8847e4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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] 5be2c1d9d0e134b33b7d16fc933afe8fabb48a4c4c0814e13f5f0759fb4519c9 [INFO] running `Command { std: "docker" "start" "-a" "5be2c1d9d0e134b33b7d16fc933afe8fabb48a4c4c0814e13f5f0759fb4519c9", kill_on_drop: false }` [INFO] [stderr] Compiling backprop v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `name` [INFO] [stdout] --> src/main.rs:46:5 [INFO] [stdout] | [INFO] [stdout] 46 | name: String, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `name` [INFO] [stdout] --> src/main.rs:93:5 [INFO] [stdout] | [INFO] [stdout] 93 | name: String, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `op_set` [INFO] [stdout] --> src/main.rs:94:5 [INFO] [stdout] | [INFO] [stdout] 94 | op_set: HashSet, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.90s [INFO] running `Command { std: "docker" "inspect" "5be2c1d9d0e134b33b7d16fc933afe8fabb48a4c4c0814e13f5f0759fb4519c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5be2c1d9d0e134b33b7d16fc933afe8fabb48a4c4c0814e13f5f0759fb4519c9", kill_on_drop: false }` [INFO] [stdout] 5be2c1d9d0e134b33b7d16fc933afe8fabb48a4c4c0814e13f5f0759fb4519c9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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] bee3f37144fcaf4ffe0f01638f99c7231312a23dab778a4181413c521405c62b [INFO] running `Command { std: "docker" "start" "-a" "bee3f37144fcaf4ffe0f01638f99c7231312a23dab778a4181413c521405c62b", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: field is never read: `name` [INFO] [stderr] --> src/main.rs:46:5 [INFO] [stderr] | [INFO] [stderr] 46 | name: String, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `name` [INFO] [stderr] --> src/main.rs:93:5 [INFO] [stderr] | [INFO] [stderr] 93 | name: String, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `op_set` [INFO] [stderr] --> src/main.rs:94:5 [INFO] [stderr] | [INFO] [stderr] 94 | op_set: HashSet, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `backprop` (bin "backprop" test) generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.39s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/backprop-885a7541f639a691) [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" "bee3f37144fcaf4ffe0f01638f99c7231312a23dab778a4181413c521405c62b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bee3f37144fcaf4ffe0f01638f99c7231312a23dab778a4181413c521405c62b", kill_on_drop: false }` [INFO] [stdout] bee3f37144fcaf4ffe0f01638f99c7231312a23dab778a4181413c521405c62b