[INFO] crate a-half 0.1.0 is already in cache
[INFO] testing a-half-0.1.0 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate a-half 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate a-half 0.1.0 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", 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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 346ba538ce9b0d9cad41dae7b64b04defbb11da927c5acc8974688a235683515
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "346ba538ce9b0d9cad41dae7b64b04defbb11da927c5acc8974688a235683515", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "346ba538ce9b0d9cad41dae7b64b04defbb11da927c5acc8974688a235683515", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "346ba538ce9b0d9cad41dae7b64b04defbb11da927c5acc8974688a235683515", kill_on_drop: false }`
[INFO] [stdout] 346ba538ce9b0d9cad41dae7b64b04defbb11da927c5acc8974688a235683515
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48d02f3119cb9597c2b7f04ac8ee7ebae8ebc3b263545bad5b85610f68bb4224
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "48d02f3119cb9597c2b7f04ac8ee7ebae8ebc3b263545bad5b85610f68bb4224", kill_on_drop: false }`
[INFO] [stderr]    Compiling a-half v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `SIG_MASK`
[INFO] [stdout]   --> src/lib.rs:21:1
[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 is never used: `POS_ZERO_BR`
[INFO] [stdout]   --> src/lib.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | const POS_ZERO_BR: u16 = 0;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `NEG_ZERO_BR`
[INFO] [stdout]   --> src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | const NEG_ZERO_BR: u16 = 32768;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_sig_bits`
[INFO] [stdout]   --> src/lib.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn get_sig_bits(self) -> u16 {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_subnormal`
[INFO] [stdout]   --> src/lib.rs:95:8
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn is_subnormal(self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_zero`
[INFO] [stdout]   --> src/lib.rs:99:8
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn is_zero(self) -> bool {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "48d02f3119cb9597c2b7f04ac8ee7ebae8ebc3b263545bad5b85610f68bb4224", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48d02f3119cb9597c2b7f04ac8ee7ebae8ebc3b263545bad5b85610f68bb4224", kill_on_drop: false }`
[INFO] [stdout] 48d02f3119cb9597c2b7f04ac8ee7ebae8ebc3b263545bad5b85610f68bb4224
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73a059e8327e3f6604d0b090be0152cee2e5ceba5fb743e46e0c25cc3560e293
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "73a059e8327e3f6604d0b090be0152cee2e5ceba5fb743e46e0c25cc3560e293", kill_on_drop: false }`
[INFO] [stderr]    Compiling a-half v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `SIG_MASK`
[INFO] [stdout]   --> src/lib.rs:21:1
[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 is never used: `POS_ZERO_BR`
[INFO] [stdout]   --> src/lib.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | const POS_ZERO_BR: u16 = 0;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `NEG_ZERO_BR`
[INFO] [stdout]   --> src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | const NEG_ZERO_BR: u16 = 32768;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_sig_bits`
[INFO] [stdout]   --> src/lib.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn get_sig_bits(self) -> u16 {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_subnormal`
[INFO] [stdout]   --> src/lib.rs:95:8
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn is_subnormal(self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_zero`
[INFO] [stdout]   --> src/lib.rs:99:8
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn is_zero(self) -> bool {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SIG_MASK`
[INFO] [stdout]   --> src/lib.rs:21:1
[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: associated function is never used: `get_sig_bits`
[INFO] [stdout]   --> src/lib.rs:48:8
[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 test [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "73a059e8327e3f6604d0b090be0152cee2e5ceba5fb743e46e0c25cc3560e293", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73a059e8327e3f6604d0b090be0152cee2e5ceba5fb743e46e0c25cc3560e293", kill_on_drop: false }`
[INFO] [stdout] 73a059e8327e3f6604d0b090be0152cee2e5ceba5fb743e46e0c25cc3560e293
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 38ffbcec091f5ae6ea3e7eb0f6d9b2eb5eb4eeb21ddfd9778906252b875df828
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "38ffbcec091f5ae6ea3e7eb0f6d9b2eb5eb4eeb21ddfd9778906252b875df828", kill_on_drop: false }`
[INFO] [stderr] warning: constant is never used: `SIG_MASK`
[INFO] [stderr]   --> src/lib.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | const SIG_MASK: u16 = 1023;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `POS_ZERO_BR`
[INFO] [stderr]   --> src/lib.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | const POS_ZERO_BR: u16 = 0;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `NEG_ZERO_BR`
[INFO] [stderr]   --> src/lib.rs:26:1
[INFO] [stderr]    |
[INFO] [stderr] 26 | const NEG_ZERO_BR: u16 = 32768;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_sig_bits`
[INFO] [stderr]   --> src/lib.rs:48:8
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn get_sig_bits(self) -> u16 {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_subnormal`
[INFO] [stderr]   --> src/lib.rs:95:8
[INFO] [stderr]    |
[INFO] [stderr] 95 |     fn is_subnormal(self) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_zero`
[INFO] [stderr]   --> src/lib.rs:99:8
[INFO] [stderr]    |
[INFO] [stderr] 99 |     fn is_zero(self) -> bool {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `SIG_MASK`
[INFO] [stderr]   --> src/lib.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | const SIG_MASK: u16 = 1023;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_sig_bits`
[INFO] [stderr]   --> src/lib.rs:48:8
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn get_sig_bits(self) -> u16 {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/a_half-0c7f780812bcad83
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::arith_ops ... ok
[INFO] [stdout] test tests::bits_and_half ... ok
[INFO] [stdout] test tests::half_to_float ... ok
[INFO] [stdout] test tests::partial_eq_check ... ok
[INFO] [stdout] test tests::partial_ord_check ... ok
[INFO] [stdout] test tests::size_check ... ok
[INFO] [stdout] test tests::identity_check ... ok
[INFO] [stdout] test tests::predicates ... ok
[INFO] [stdout] test tests::float_to_half ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests a-half
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "38ffbcec091f5ae6ea3e7eb0f6d9b2eb5eb4eeb21ddfd9778906252b875df828", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38ffbcec091f5ae6ea3e7eb0f6d9b2eb5eb4eeb21ddfd9778906252b875df828", kill_on_drop: false }`
[INFO] [stdout] 38ffbcec091f5ae6ea3e7eb0f6d9b2eb5eb4eeb21ddfd9778906252b875df828