[INFO] fetching crate optimal-binary 0.0.0...
[INFO] testing optimal-binary-0.0.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate optimal-binary 0.0.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate optimal-binary 0.0.0
[INFO] finished tweaking crates.io crate optimal-binary 0.0.0
[INFO] tweaked toml for crates.io crate optimal-binary 0.0.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate optimal-binary 0.0.0 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] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 9 packages to latest compatible versions
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 8b6f5a4d70eb0b7e251caa5aac8c8e5c777627ce550049bedc0426fe770cc8b7
[INFO] running `Command { std: "docker" "start" "-a" "8b6f5a4d70eb0b7e251caa5aac8c8e5c777627ce550049bedc0426fe770cc8b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b6f5a4d70eb0b7e251caa5aac8c8e5c777627ce550049bedc0426fe770cc8b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b6f5a4d70eb0b7e251caa5aac8c8e5c777627ce550049bedc0426fe770cc8b7", kill_on_drop: false }`
[INFO] [stdout] 8b6f5a4d70eb0b7e251caa5aac8c8e5c777627ce550049bedc0426fe770cc8b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 9409d2db75d5d405cc52e72cbc34f161abc628bc6b755719956e1de1e80cab5b
[INFO] running `Command { std: "docker" "start" "-a" "9409d2db75d5d405cc52e72cbc34f161abc628bc6b755719956e1de1e80cab5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling optimal-binary v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "9409d2db75d5d405cc52e72cbc34f161abc628bc6b755719956e1de1e80cab5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9409d2db75d5d405cc52e72cbc34f161abc628bc6b755719956e1de1e80cab5b", kill_on_drop: false }`
[INFO] [stdout] 9409d2db75d5d405cc52e72cbc34f161abc628bc6b755719956e1de1e80cab5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 26057bca5f0ec6b6d15c72c77dceb5836b19ab5035f8e82dabdd05534849f1f0
[INFO] running `Command { std: "docker" "start" "-a" "26057bca5f0ec6b6d15c72c77dceb5836b19ab5035f8e82dabdd05534849f1f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling optimal-binary v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "26057bca5f0ec6b6d15c72c77dceb5836b19ab5035f8e82dabdd05534849f1f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26057bca5f0ec6b6d15c72c77dceb5836b19ab5035f8e82dabdd05534849f1f0", kill_on_drop: false }`
[INFO] [stdout] 26057bca5f0ec6b6d15c72c77dceb5836b19ab5035f8e82dabdd05534849f1f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f2dc6fa78c2738a7b469812f22624978981cca53ef7ef8ecc45933915e22b84b
[INFO] running `Command { std: "docker" "start" "-a" "f2dc6fa78c2738a7b469812f22624978981cca53ef7ef8ecc45933915e22b84b", 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/optimal_binary-9f86234fd9a927f4)
[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]    Doc-tests optimal_binary
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - ToIntLE (line 80) ... ok
[INFO] [stdout] test src/lib.rs - ToRealLE (line 15) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.41s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f2dc6fa78c2738a7b469812f22624978981cca53ef7ef8ecc45933915e22b84b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2dc6fa78c2738a7b469812f22624978981cca53ef7ef8ecc45933915e22b84b", kill_on_drop: false }`
[INFO] [stdout] f2dc6fa78c2738a7b469812f22624978981cca53ef7ef8ecc45933915e22b84b