[INFO] fetching crate fixed-sqrt 0.2.5...
[INFO] building fixed-sqrt-0.2.5 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] extracting crate fixed-sqrt 0.2.5 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate fixed-sqrt 0.2.5 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate fixed-sqrt 0.2.5
[INFO] finished tweaking crates.io crate fixed-sqrt 0.2.5
[INFO] tweaked toml for crates.io crate fixed-sqrt 0.2.5 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate fixed-sqrt 0.2.5 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fixed v1.15.0
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad63ce62052a746c3023fcd5556d8f67cf7e3a92c5c7ec16fae3d44e0100d090
[INFO] running `Command { std: "docker" "start" "-a" "ad63ce62052a746c3023fcd5556d8f67cf7e3a92c5c7ec16fae3d44e0100d090", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad63ce62052a746c3023fcd5556d8f67cf7e3a92c5c7ec16fae3d44e0100d090", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad63ce62052a746c3023fcd5556d8f67cf7e3a92c5c7ec16fae3d44e0100d090", kill_on_drop: false }`
[INFO] [stdout] ad63ce62052a746c3023fcd5556d8f67cf7e3a92c5c7ec16fae3d44e0100d090
[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=forbid -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ac08832db95e5a91299c5e62e869ce3d1e729fcc198de65b3e8f1f6f5738757
[INFO] running `Command { std: "docker" "start" "-a" "2ac08832db95e5a91299c5e62e869ce3d1e729fcc198de65b3e8f1f6f5738757", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling az v1.2.0
[INFO] [stderr]    Compiling fixed v1.15.0
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling bytemuck v1.9.1
[INFO] [stderr]    Compiling integer-sqrt v0.1.5
[INFO] [stderr]    Compiling fixed-sqrt v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.30s
[INFO] running `Command { std: "docker" "inspect" "2ac08832db95e5a91299c5e62e869ce3d1e729fcc198de65b3e8f1f6f5738757", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ac08832db95e5a91299c5e62e869ce3d1e729fcc198de65b3e8f1f6f5738757", kill_on_drop: false }`
[INFO] [stdout] 2ac08832db95e5a91299c5e62e869ce3d1e729fcc198de65b3e8f1f6f5738757
[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=forbid -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb0beda8414f38a1183fa3db53ab703f43aa8dd2bd75bfcfb6b4c61c1a96db5e
[INFO] running `Command { std: "docker" "start" "-a" "cb0beda8414f38a1183fa3db53ab703f43aa8dd2bd75bfcfb6b4c61c1a96db5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling fixed-sqrt v0.2.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `fixed`, `sqrt`, and `exact` are never read
[INFO] [stdout]   --> examples/errors.rs:20:7
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct MaxErr <F : Fixed> {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 20 |   pub fixed   : F,
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 21 |   pub sqrt    : F,
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 22 |   pub exact   : f64,
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MaxErr` has derived impls for the traits `Default` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.98s
[INFO] running `Command { std: "docker" "inspect" "cb0beda8414f38a1183fa3db53ab703f43aa8dd2bd75bfcfb6b4c61c1a96db5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb0beda8414f38a1183fa3db53ab703f43aa8dd2bd75bfcfb6b4c61c1a96db5e", kill_on_drop: false }`
[INFO] [stdout] cb0beda8414f38a1183fa3db53ab703f43aa8dd2bd75bfcfb6b4c61c1a96db5e