[INFO] fetching crate safe-modular-arithmetic 0.2.4...
[INFO] testing safe-modular-arithmetic-0.2.4 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate safe-modular-arithmetic 0.2.4 into /workspace/builds/worker-94/source
[INFO] validating manifest of crates.io crate safe-modular-arithmetic 0.2.4 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate safe-modular-arithmetic 0.2.4
[INFO] finished tweaking crates.io crate safe-modular-arithmetic 0.2.4
[INFO] tweaked toml for crates.io crate safe-modular-arithmetic 0.2.4 written to /workspace/builds/worker-94/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c0675060159febc63e40d92723130697a8317bc47e6cc6a7e951972d203c8ee
[INFO] running `Command { std: "docker" "start" "-a" "0c0675060159febc63e40d92723130697a8317bc47e6cc6a7e951972d203c8ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c0675060159febc63e40d92723130697a8317bc47e6cc6a7e951972d203c8ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c0675060159febc63e40d92723130697a8317bc47e6cc6a7e951972d203c8ee", kill_on_drop: false }`
[INFO] [stdout] 0c0675060159febc63e40d92723130697a8317bc47e6cc6a7e951972d203c8ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7c01a4dac55e756a510232247c9b691a19091c9cbae5ebf38026b199165608b
[INFO] running `Command { std: "docker" "start" "-a" "e7c01a4dac55e756a510232247c9b691a19091c9cbae5ebf38026b199165608b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling safe-modular-arithmetic v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.99s
[INFO] running `Command { std: "docker" "inspect" "e7c01a4dac55e756a510232247c9b691a19091c9cbae5ebf38026b199165608b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7c01a4dac55e756a510232247c9b691a19091c9cbae5ebf38026b199165608b", kill_on_drop: false }`
[INFO] [stdout] e7c01a4dac55e756a510232247c9b691a19091c9cbae5ebf38026b199165608b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fda9f40e1bdb196a9f775ebdf067d4844f5b89fa85e57587f065cefa3a55be43
[INFO] running `Command { std: "docker" "start" "-a" "fda9f40e1bdb196a9f775ebdf067d4844f5b89fa85e57587f065cefa3a55be43", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling safe-modular-arithmetic v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/safe_modular_arithmetic-cf555c2b48a4e628)
[INFO] running `Command { std: "docker" "inspect" "fda9f40e1bdb196a9f775ebdf067d4844f5b89fa85e57587f065cefa3a55be43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fda9f40e1bdb196a9f775ebdf067d4844f5b89fa85e57587f065cefa3a55be43", kill_on_drop: false }`
[INFO] [stdout] fda9f40e1bdb196a9f775ebdf067d4844f5b89fa85e57587f065cefa3a55be43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 850784849c40cc6c1537f05a143d0c291c41aff08b5b9027765fb17d25aaca8a
[INFO] running `Command { std: "docker" "start" "-a" "850784849c40cc6c1537f05a143d0c291c41aff08b5b9027765fb17d25aaca8a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/safe_modular_arithmetic-cf555c2b48a4e628)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests safe-modular-arithmetic
[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" "850784849c40cc6c1537f05a143d0c291c41aff08b5b9027765fb17d25aaca8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "850784849c40cc6c1537f05a143d0c291c41aff08b5b9027765fb17d25aaca8a", kill_on_drop: false }`
[INFO] [stdout] 850784849c40cc6c1537f05a143d0c291c41aff08b5b9027765fb17d25aaca8a