[INFO] fetching crate a-half 0.1.0...
[INFO] checking a-half-0.1.0 against try#47af3d0de9d26c7deba4cfb203b710cc3f764e91 for pr-130443
[INFO] extracting crate a-half 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate a-half 0.1.0 on toolchain 47af3d0de9d26c7deba4cfb203b710cc3f764e91
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate a-half 0.1.0
[INFO] finished tweaking crates.io crate a-half 0.1.0
[INFO] tweaked toml for crates.io crate a-half 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 43bcf59274517fdef9e0edb2e0b0a70f90a7a7f7f00b99f7eede43c33b8a207d
[INFO] running `Command { std: "docker" "start" "-a" "43bcf59274517fdef9e0edb2e0b0a70f90a7a7f7f00b99f7eede43c33b8a207d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43bcf59274517fdef9e0edb2e0b0a70f90a7a7f7f00b99f7eede43c33b8a207d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43bcf59274517fdef9e0edb2e0b0a70f90a7a7f7f00b99f7eede43c33b8a207d", kill_on_drop: false }`
[INFO] [stdout] 43bcf59274517fdef9e0edb2e0b0a70f90a7a7f7f00b99f7eede43c33b8a207d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b797126a62f4bc0926d5194a89be28c1c50950a13e9247972fadd1d0549c35d
[INFO] running `Command { std: "docker" "start" "-a" "2b797126a62f4bc0926d5194a89be28c1c50950a13e9247972fadd1d0549c35d", kill_on_drop: false }`
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling cc v1.1.21
[INFO] [stderr]    Compiling a-half v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `SIG_MASK` is never used
[INFO] [stdout]   --> src/lib.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | const SIG_MASK: u16 = 1023;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `POS_ZERO_BR` is never used
[INFO] [stdout]   --> src/lib.rs:25:7
[INFO] [stdout]    |
[INFO] [stdout] 25 | const POS_ZERO_BR: u16 = 0;
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NEG_ZERO_BR` is never used
[INFO] [stdout]   --> src/lib.rs:26:7
[INFO] [stdout]    |
[INFO] [stdout] 26 | const NEG_ZERO_BR: u16 = 32768;
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_sig_bits`, `is_subnormal`, and `is_zero` are never used
[INFO] [stdout]   --> src/lib.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl f16 {
[INFO] [stdout]    | -------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 48 |     fn get_sig_bits(self) -> u16 {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 95 |     fn is_subnormal(self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 |     fn is_zero(self) -> bool {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SIG_MASK` is never used
[INFO] [stdout]   --> src/lib.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | const SIG_MASK: u16 = 1023;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_sig_bits` is never used
[INFO] [stdout]   --> src/lib.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl f16 {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 48 |     fn get_sig_bits(self) -> u16 {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `Command { std: "docker" "inspect" "2b797126a62f4bc0926d5194a89be28c1c50950a13e9247972fadd1d0549c35d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b797126a62f4bc0926d5194a89be28c1c50950a13e9247972fadd1d0549c35d", kill_on_drop: false }`
[INFO] [stdout] 2b797126a62f4bc0926d5194a89be28c1c50950a13e9247972fadd1d0549c35d
