[INFO] fetching crate math_rust 0.1.7...
[INFO] testing math_rust-0.1.7 against 1.91.0 for beta-1.92-2
[INFO] extracting crate math_rust 0.1.7 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate math_rust 0.1.7
[INFO] finished tweaking crates.io crate math_rust 0.1.7
[INFO] tweaked toml for crates.io crate math_rust 0.1.7 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate math_rust 0.1.7 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate math_rust 0.1.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.144
[INFO] [stderr]   Downloaded getrandom v0.2.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b9a0d503a6414582d8b4b63be29062bcc8f5827c3964ec9af03832f706124ce
[INFO] running `Command { std: "docker" "start" "-a" "9b9a0d503a6414582d8b4b63be29062bcc8f5827c3964ec9af03832f706124ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b9a0d503a6414582d8b4b63be29062bcc8f5827c3964ec9af03832f706124ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b9a0d503a6414582d8b4b63be29062bcc8f5827c3964ec9af03832f706124ce", kill_on_drop: false }`
[INFO] [stdout] 9b9a0d503a6414582d8b4b63be29062bcc8f5827c3964ec9af03832f706124ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 214247422d401824cafd358db1f3155cd0021a0afb69f958b3a5e37d72356f40
[INFO] running `Command { std: "docker" "start" "-a" "214247422d401824cafd358db1f3155cd0021a0afb69f958b3a5e37d72356f40", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling getrandom v0.2.9
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling math_rust v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.17s
[INFO] running `Command { std: "docker" "inspect" "214247422d401824cafd358db1f3155cd0021a0afb69f958b3a5e37d72356f40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "214247422d401824cafd358db1f3155cd0021a0afb69f958b3a5e37d72356f40", kill_on_drop: false }`
[INFO] [stdout] 214247422d401824cafd358db1f3155cd0021a0afb69f958b3a5e37d72356f40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f537ecbb45cb83efc4b9a69ab3d4eff33292a268e1d23e68d903fe22d58cfb6
[INFO] running `Command { std: "docker" "start" "-a" "2f537ecbb45cb83efc4b9a69ab3d4eff33292a268e1d23e68d903fe22d58cfb6", kill_on_drop: false }`
[INFO] [stderr]    Compiling math_rust v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "2f537ecbb45cb83efc4b9a69ab3d4eff33292a268e1d23e68d903fe22d58cfb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f537ecbb45cb83efc4b9a69ab3d4eff33292a268e1d23e68d903fe22d58cfb6", kill_on_drop: false }`
[INFO] [stdout] 2f537ecbb45cb83efc4b9a69ab3d4eff33292a268e1d23e68d903fe22d58cfb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b482e92f581c29430c998ccc03d600cf9d052fcf6cc8e12c011825e708cfb0b8
[INFO] running `Command { std: "docker" "start" "-a" "b482e92f581c29430c998ccc03d600cf9d052fcf6cc8e12c011825e708cfb0b8", kill_on_drop: false }`
[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 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]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/math_rust-6970694f6177e7e5)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/math_rust-f6ee598dbebaf17a)
[INFO] [stderr]    Doc-tests math_rust
[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" "b482e92f581c29430c998ccc03d600cf9d052fcf6cc8e12c011825e708cfb0b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b482e92f581c29430c998ccc03d600cf9d052fcf6cc8e12c011825e708cfb0b8", kill_on_drop: false }`
[INFO] [stdout] b482e92f581c29430c998ccc03d600cf9d052fcf6cc8e12c011825e708cfb0b8