[INFO] fetching crate signum-sign 0.1.4-beta.2...
[INFO] testing signum-sign-0.1.4-beta.2 against 1.90.0 for beta-1.91-3
[INFO] extracting crate signum-sign 0.1.4-beta.2 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate signum-sign 0.1.4-beta.2
[INFO] finished tweaking crates.io crate signum-sign 0.1.4-beta.2
[INFO] tweaked toml for crates.io crate signum-sign 0.1.4-beta.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate signum-sign 0.1.4-beta.2 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12b76e244ba08897d9f68a89f728f0c1ae98e62e3d4b29923c63cd4eb430b00f
[INFO] running `Command { std: "docker" "start" "-a" "12b76e244ba08897d9f68a89f728f0c1ae98e62e3d4b29923c63cd4eb430b00f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12b76e244ba08897d9f68a89f728f0c1ae98e62e3d4b29923c63cd4eb430b00f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12b76e244ba08897d9f68a89f728f0c1ae98e62e3d4b29923c63cd4eb430b00f", kill_on_drop: false }`
[INFO] [stdout] 12b76e244ba08897d9f68a89f728f0c1ae98e62e3d4b29923c63cd4eb430b00f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42b3e9276baf3606a09b96349d84b32ea8835b13615f3d1226e84092df10e3ae
[INFO] running `Command { std: "docker" "start" "-a" "42b3e9276baf3606a09b96349d84b32ea8835b13615f3d1226e84092df10e3ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling signum-sign v0.1.4-beta.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `e` is never read
[INFO] [stdout]   --> src/lib.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut e = 0_f64;
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "42b3e9276baf3606a09b96349d84b32ea8835b13615f3d1226e84092df10e3ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42b3e9276baf3606a09b96349d84b32ea8835b13615f3d1226e84092df10e3ae", kill_on_drop: false }`
[INFO] [stdout] 42b3e9276baf3606a09b96349d84b32ea8835b13615f3d1226e84092df10e3ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d26f3e5c60855e937ddef1c782c9d44e3c69f4b28696f02e836175f4e38cdc3
[INFO] running `Command { std: "docker" "start" "-a" "4d26f3e5c60855e937ddef1c782c9d44e3c69f4b28696f02e836175f4e38cdc3", kill_on_drop: false }`
[INFO] [stdout] warning: value assigned to `e` is never read
[INFO] [stdout]   --> src/lib.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut e = 0_f64;
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling signum-sign v0.1.4-beta.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `e` is never read
[INFO] [stdout]   --> src/lib.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut e = 0_f64;
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "4d26f3e5c60855e937ddef1c782c9d44e3c69f4b28696f02e836175f4e38cdc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d26f3e5c60855e937ddef1c782c9d44e3c69f4b28696f02e836175f4e38cdc3", kill_on_drop: false }`
[INFO] [stdout] 4d26f3e5c60855e937ddef1c782c9d44e3c69f4b28696f02e836175f4e38cdc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0b22c04bfa6c341d5eed77b9633e00a6f15e7aa9e07c366172774fdc9ae39ba5
[INFO] running `Command { std: "docker" "start" "-a" "0b22c04bfa6c341d5eed77b9633e00a6f15e7aa9e07c366172774fdc9ae39ba5", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `e` is never read
[INFO] [stderr]   --> src/lib.rs:15:13
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let mut e = 0_f64;
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `signum-sign` (lib) generated 1 warning
[INFO] [stderr] warning: `signum-sign` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/signum_sign-bffc3cd69a934586)
[INFO] [stderr]      Running tests/heron.rs (/opt/rustwide/target/debug/deps/heron-4dfffaea4ad63aaf)
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test twothousandheron ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/negative.rs (/opt/rustwide/target/debug/deps/negative-85b4b60563101f90)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test negative ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/positive.rs (/opt/rustwide/target/debug/deps/positive-493aa1a5305d90fe)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test positive ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/zero.rs (/opt/rustwide/target/debug/deps/zero-053c2b40ac29366d)
[INFO] [stderr]    Doc-tests signum_sign
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test zero ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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" "0b22c04bfa6c341d5eed77b9633e00a6f15e7aa9e07c366172774fdc9ae39ba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b22c04bfa6c341d5eed77b9633e00a6f15e7aa9e07c366172774fdc9ae39ba5", kill_on_drop: false }`
[INFO] [stdout] 0b22c04bfa6c341d5eed77b9633e00a6f15e7aa9e07c366172774fdc9ae39ba5