[INFO] fetching crate sledgehammer_utils 0.3.1...
[INFO] testing sledgehammer_utils-0.3.1 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate sledgehammer_utils 0.3.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate sledgehammer_utils 0.3.1
[INFO] finished tweaking crates.io crate sledgehammer_utils 0.3.1
[INFO] tweaked toml for crates.io crate sledgehammer_utils 0.3.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sledgehammer_utils 0.3.1 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.6 (available: v0.10.1)
[INFO] [stderr]       Adding rustc-hash v1.1.0 (available: v2.1.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e01c1d8d583ca02523bd2f4d2ab718ded73a93f5b38333bd7d39ede06f6db30d
[INFO] running `Command { std: "docker" "start" "-a" "e01c1d8d583ca02523bd2f4d2ab718ded73a93f5b38333bd7d39ede06f6db30d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e01c1d8d583ca02523bd2f4d2ab718ded73a93f5b38333bd7d39ede06f6db30d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e01c1d8d583ca02523bd2f4d2ab718ded73a93f5b38333bd7d39ede06f6db30d", kill_on_drop: false }`
[INFO] [stdout] e01c1d8d583ca02523bd2f4d2ab718ded73a93f5b38333bd7d39ede06f6db30d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6858a14f49f7cb6470b2bf75c8f3fc468599ef4106482051f996e7e78f9977e6
[INFO] running `Command { std: "docker" "start" "-a" "6858a14f49f7cb6470b2bf75c8f3fc468599ef4106482051f996e7e78f9977e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling sledgehammer_utils v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "6858a14f49f7cb6470b2bf75c8f3fc468599ef4106482051f996e7e78f9977e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6858a14f49f7cb6470b2bf75c8f3fc468599ef4106482051f996e7e78f9977e6", kill_on_drop: false }`
[INFO] [stdout] 6858a14f49f7cb6470b2bf75c8f3fc468599ef4106482051f996e7e78f9977e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f059abe335154a345cdf893f49fa50bc1287000172301032e95ab2ab5b11696
[INFO] running `Command { std: "docker" "start" "-a" "7f059abe335154a345cdf893f49fa50bc1287000172301032e95ab2ab5b11696", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.6
[INFO] [stderr]    Compiling sledgehammer_utils v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.23s
[INFO] running `Command { std: "docker" "inspect" "7f059abe335154a345cdf893f49fa50bc1287000172301032e95ab2ab5b11696", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f059abe335154a345cdf893f49fa50bc1287000172301032e95ab2ab5b11696", kill_on_drop: false }`
[INFO] [stdout] 7f059abe335154a345cdf893f49fa50bc1287000172301032e95ab2ab5b11696
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 71ef7cfc1e12899d2b690b7694a8fea7f2f93befc6975d430bd9f9a898e211ab
[INFO] running `Command { std: "docker" "start" "-a" "71ef7cfc1e12899d2b690b7694a8fea7f2f93befc6975d430bd9f9a898e211ab", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sledgehammer_utils-8546b203b61dbc2a)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test fmt_nums ... ok
[INFO] [stdout] test fmt_args ... ok
[INFO] [stdout] test fmt_str ... ok
[INFO] [stdout] test push_100 ... ok
[INFO] [stdout] test push_2 ... ok
[INFO] [stdout] test sizes ... ok
[INFO] [stdout] test fuzzing ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sledgehammer_utils
[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" "71ef7cfc1e12899d2b690b7694a8fea7f2f93befc6975d430bd9f9a898e211ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71ef7cfc1e12899d2b690b7694a8fea7f2f93befc6975d430bd9f9a898e211ab", kill_on_drop: false }`
[INFO] [stdout] 71ef7cfc1e12899d2b690b7694a8fea7f2f93befc6975d430bd9f9a898e211ab