[INFO] fetching crate tiny_http 0.12.0...
[INFO] checking tiny_http-0.12.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate tiny_http 0.12.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate tiny_http 0.12.0
[INFO] finished tweaking crates.io crate tiny_http 0.12.0
[INFO] tweaked toml for crates.io crate tiny_http 0.12.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tiny_http 0.12.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tiny_http 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a78adc8646078a92d2ba30a02cfae6419d6ee42a05e7e5948008892400429a1c
[INFO] running `Command { std: "docker" "start" "-a" "a78adc8646078a92d2ba30a02cfae6419d6ee42a05e7e5948008892400429a1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a78adc8646078a92d2ba30a02cfae6419d6ee42a05e7e5948008892400429a1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a78adc8646078a92d2ba30a02cfae6419d6ee42a05e7e5948008892400429a1c", kill_on_drop: false }`
[INFO] [stdout] a78adc8646078a92d2ba30a02cfae6419d6ee42a05e7e5948008892400429a1c
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fd62878ced2b81fd48c542fe9244bf25996bf84ef968a629418e5923aa7b207
[INFO] running `Command { std: "docker" "start" "-a" "4fd62878ced2b81fd48c542fe9244bf25996bf84ef968a629418e5923aa7b207", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]     Checking ascii v1.0.0
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking sha1_smol v1.0.0
[INFO] [stderr]     Checking chunked_transfer v1.4.0
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stdout] error[E0310]: the parameter type `T` may not live long enough
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/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/998b6603a58e47f42ccce7a67943234e96b6839e/library/alloc/src/borrow.rs:179:30
[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 sha1 v0.6.1
[INFO] [stderr]     Checking tiny_http v0.12.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `SequentialWriter`
[INFO] [stdout]  --> src/util/mod.rs:7:28
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use self::sequential::{SequentialWriter, SequentialWriterBuilder};
[INFO] [stdout]   |                            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MustBeShareDummy` is never used
[INFO] [stdout]    --> src/lib.rs:164:7
[INFO] [stdout]     |
[INFO] [stdout] 164 | trait MustBeShareDummy: Sync + Send {}
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking fdlimit v0.1.4
[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 1 previous error
[INFO] running `Command { std: "docker" "inspect" "4fd62878ced2b81fd48c542fe9244bf25996bf84ef968a629418e5923aa7b207", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fd62878ced2b81fd48c542fe9244bf25996bf84ef968a629418e5923aa7b207", kill_on_drop: false }`
[INFO] [stdout] 4fd62878ced2b81fd48c542fe9244bf25996bf84ef968a629418e5923aa7b207