[INFO] fetching crate struct_math 0.1.0...
[INFO] testing struct_math-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate struct_math 0.1.0 into /workspace/builds/worker-67/source
[INFO] validating manifest of crates.io crate struct_math 0.1.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate struct_math 0.1.0
[INFO] finished tweaking crates.io crate struct_math 0.1.0
[INFO] tweaked toml for crates.io crate struct_math 0.1.0 written to /workspace/builds/worker-67/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 336686979fd927d20b350df2b527015facbebb6ee5303ed3008431f2c8fcc181
[INFO] running `Command { std: "docker" "start" "-a" "336686979fd927d20b350df2b527015facbebb6ee5303ed3008431f2c8fcc181", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "336686979fd927d20b350df2b527015facbebb6ee5303ed3008431f2c8fcc181", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "336686979fd927d20b350df2b527015facbebb6ee5303ed3008431f2c8fcc181", kill_on_drop: false }`
[INFO] [stdout] 336686979fd927d20b350df2b527015facbebb6ee5303ed3008431f2c8fcc181
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2fef8392a88ea19af6cb5a3690f9c14fda8fd069e00f93f2112faf31f965fe28
[INFO] running `Command { std: "docker" "start" "-a" "2fef8392a88ea19af6cb5a3690f9c14fda8fd069e00f93f2112faf31f965fe28", kill_on_drop: false }`
[INFO] [stderr]    Compiling struct_math v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]   --> src/lib.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "2fef8392a88ea19af6cb5a3690f9c14fda8fd069e00f93f2112faf31f965fe28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fef8392a88ea19af6cb5a3690f9c14fda8fd069e00f93f2112faf31f965fe28", kill_on_drop: false }`
[INFO] [stdout] 2fef8392a88ea19af6cb5a3690f9c14fda8fd069e00f93f2112faf31f965fe28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d1464ebe1e9e1668e213698aca7faa2d07d9338ba538e5d6edcc340ec9b1445
[INFO] running `Command { std: "docker" "start" "-a" "0d1464ebe1e9e1668e213698aca7faa2d07d9338ba538e5d6edcc340ec9b1445", kill_on_drop: false }`
[INFO] [stderr]    Compiling struct_math v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]   --> src/lib.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "0d1464ebe1e9e1668e213698aca7faa2d07d9338ba538e5d6edcc340ec9b1445", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d1464ebe1e9e1668e213698aca7faa2d07d9338ba538e5d6edcc340ec9b1445", kill_on_drop: false }`
[INFO] [stdout] 0d1464ebe1e9e1668e213698aca7faa2d07d9338ba538e5d6edcc340ec9b1445
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e189415df026493dcfd6ccc3f034e2279d3ae0a8ba6b2b60b417d789a94b7959
[INFO] running `Command { std: "docker" "start" "-a" "e189415df026493dcfd6ccc3f034e2279d3ae0a8ba6b2b60b417d789a94b7959", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: function is never used: `main`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/lib.rs:22:4
[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] 22 | fn main() {
[INFO] [stdout] 
[INFO] [stderr]    |    ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `struct_math` (lib) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/struct_math-d920a771a336752d)
[INFO] [stderr]    Doc-tests struct_math
[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" "e189415df026493dcfd6ccc3f034e2279d3ae0a8ba6b2b60b417d789a94b7959", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e189415df026493dcfd6ccc3f034e2279d3ae0a8ba6b2b60b417d789a94b7959", kill_on_drop: false }`
[INFO] [stdout] e189415df026493dcfd6ccc3f034e2279d3ae0a8ba6b2b60b417d789a94b7959