[INFO] fetching crate pitch_calc 0.12.0...
[INFO] checking pitch_calc-0.12.0 against master#00bfd6b2734d9c28a147bf237490995731781fdd for pr-117984
[INFO] extracting crate pitch_calc 0.12.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate pitch_calc 0.12.0 on toolchain 00bfd6b2734d9c28a147bf237490995731781fdd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pitch_calc 0.12.0
[INFO] finished tweaking crates.io crate pitch_calc 0.12.0
[INFO] tweaked toml for crates.io crate pitch_calc 0.12.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate pitch_calc 0.12.0 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" "+00bfd6b2734d9c28a147bf237490995731781fdd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-iter v0.1.33
[INFO] [stderr]   Downloaded rand v0.3.15
[INFO] [stderr]   Downloaded num-integer v0.1.34
[INFO] [stderr]   Downloaded serde_json v1.0.50
[INFO] [stderr]   Downloaded num v0.1.37
[INFO] [stderr]   Downloaded num-complex v0.1.37
[INFO] [stderr]   Downloaded num-rational v0.1.36
[INFO] [stderr]   Downloaded num-bigint v0.1.37
[INFO] [stderr]   Downloaded num-traits v0.1.37
[INFO] [stderr]   Downloaded libc v0.2.22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb7c18e29bd4488041b27af984b319c8aca8d4d8410cf7234a76a4e66269f302
[INFO] running `Command { std: "docker" "start" "-a" "eb7c18e29bd4488041b27af984b319c8aca8d4d8410cf7234a76a4e66269f302", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb7c18e29bd4488041b27af984b319c8aca8d4d8410cf7234a76a4e66269f302", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb7c18e29bd4488041b27af984b319c8aca8d4d8410cf7234a76a4e66269f302", kill_on_drop: false }`
[INFO] [stdout] eb7c18e29bd4488041b27af984b319c8aca8d4d8410cf7234a76a4e66269f302
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8a289466f071c1920431aed113f1ef376d0b71c546ec052daef35f86dd6dd96
[INFO] running `Command { std: "docker" "start" "-a" "d8a289466f071c1920431aed113f1ef376d0b71c546ec052daef35f86dd6dd96", kill_on_drop: false }`
[INFO] [stderr]     Checking num-traits v0.1.37
[INFO] [stderr]     Checking libc v0.2.22
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking num-integer v0.1.34
[INFO] [stderr]     Checking num-complex v0.1.37
[INFO] [stderr]     Checking num-iter v0.1.33
[INFO] [stderr]     Checking num-bigint v0.1.37
[INFO] [stderr]     Checking num-rational v0.1.36
[INFO] [stderr]     Checking num v0.1.37
[INFO] [stderr]     Checking pitch_calc v0.12.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]  --> src/utils.rs:7:86
[INFO] [stdout]   |
[INFO] [stdout] 7 |         r if (r > I::zero() && b < I::zero()) || (r < I::zero() && b > I::zero()) => (r + b),
[INFO] [stdout]   |                                                                                      ^     ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 7 -         r if (r > I::zero() && b < I::zero()) || (r < I::zero() && b > I::zero()) => (r + b),
[INFO] [stdout] 7 +         r if (r > I::zero() && b < I::zero()) || (r < I::zero() && b > I::zero()) => r + b,
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking serde_json v1.0.50
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]  --> src/utils.rs:7:86
[INFO] [stdout]   |
[INFO] [stdout] 7 |         r if (r > I::zero() && b < I::zero()) || (r < I::zero() && b > I::zero()) => (r + b),
[INFO] [stdout]   |                                                                                      ^     ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 7 -         r if (r > I::zero() && b < I::zero()) || (r < I::zero() && b > I::zero()) => (r + b),
[INFO] [stdout] 7 +         r if (r > I::zero() && b < I::zero()) || (r < I::zero() && b > I::zero()) => r + b,
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.48s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "d8a289466f071c1920431aed113f1ef376d0b71c546ec052daef35f86dd6dd96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8a289466f071c1920431aed113f1ef376d0b71c546ec052daef35f86dd6dd96", kill_on_drop: false }`
[INFO] [stdout] d8a289466f071c1920431aed113f1ef376d0b71c546ec052daef35f86dd6dd96
[INFO] checking pitch_calc-0.12.0 against try#aa7c6ba69acce8b10a275eabfe6157ea72c8b599 for pr-117984
[INFO] extracting crate pitch_calc 0.12.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate pitch_calc 0.12.0 on toolchain aa7c6ba69acce8b10a275eabfe6157ea72c8b599
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pitch_calc 0.12.0
[INFO] finished tweaking crates.io crate pitch_calc 0.12.0
[INFO] tweaked toml for crates.io crate pitch_calc 0.12.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate pitch_calc 0.12.0 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" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1397f16de3168db2e8903eb49a51e5fc6a41479a66fc6b747233dab8f6809aee
[INFO] running `Command { std: "docker" "start" "-a" "1397f16de3168db2e8903eb49a51e5fc6a41479a66fc6b747233dab8f6809aee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1397f16de3168db2e8903eb49a51e5fc6a41479a66fc6b747233dab8f6809aee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1397f16de3168db2e8903eb49a51e5fc6a41479a66fc6b747233dab8f6809aee", kill_on_drop: false }`
[INFO] [stdout] 1397f16de3168db2e8903eb49a51e5fc6a41479a66fc6b747233dab8f6809aee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ccf245fe439d811bdbe6189fed34a7779fb5d6ebbca36f962bdd1040ee4194b
[INFO] running `Command { std: "docker" "start" "-a" "0ccf245fe439d811bdbe6189fed34a7779fb5d6ebbca36f962bdd1040ee4194b", kill_on_drop: false }`
[INFO] [stderr]     Checking num-traits v0.1.37
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking libc v0.2.22
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stdout] error[E0310]: the parameter type `T` may not live long enough
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.3.24/src/serialize.rs:1155:5
[INFO] [stdout]      |
[INFO] [stdout] 1155 |     fn decode<D: Decoder>(d: &mut D) -> Result<Cow<'static, T>, D::Error> {
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |     |
[INFO] [stdout]      |     the parameter type `T` must be valid for the static lifetime...
[INFO] [stdout]      |     ...so that the type `T` will meet its required lifetime bounds...
[INFO] [stdout]      |
[INFO] [stdout] note: ...that is required by this bound
[INFO] [stdout]     --> /rustc/aa7c6ba69acce8b10a275eabfe6157ea72c8b599/library/alloc/src/borrow.rs:180:30
[INFO] [stdout] help: consider adding an explicit lifetime bound
[INFO] [stdout]      |
[INFO] [stdout] 1151 | impl<'a, T: ?Sized + 'static> Decodable for Cow<'a, T>
[INFO] [stdout]      |                    +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking num-integer v0.1.34
[INFO] [stderr]     Checking num-iter v0.1.33
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0310`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-serialize` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0ccf245fe439d811bdbe6189fed34a7779fb5d6ebbca36f962bdd1040ee4194b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ccf245fe439d811bdbe6189fed34a7779fb5d6ebbca36f962bdd1040ee4194b", kill_on_drop: false }`
[INFO] [stdout] 0ccf245fe439d811bdbe6189fed34a7779fb5d6ebbca36f962bdd1040ee4194b