[INFO] cloning repository https://github.com/erikjohnston/matrix-introspection
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/erikjohnston/matrix-introspection" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferikjohnston%2Fmatrix-introspection", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferikjohnston%2Fmatrix-introspection'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fb1369509bd34b4a7def5ca43738f20927b71b5e
[INFO] checking erikjohnston/matrix-introspection against try#d4af306fdd6ab261dfeb0aa57301d08b31b2dd92 for pr-105483
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferikjohnston%2Fmatrix-introspection" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/erikjohnston/matrix-introspection on toolchain d4af306fdd6ab261dfeb0aa57301d08b31b2dd92
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d4af306fdd6ab261dfeb0aa57301d08b31b2dd92" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/erikjohnston/matrix-introspection
[INFO] finished tweaking git repo https://github.com/erikjohnston/matrix-introspection
[INFO] tweaked toml for git repo https://github.com/erikjohnston/matrix-introspection written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/erikjohnston/matrix-introspection already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d4af306fdd6ab261dfeb0aa57301d08b31b2dd92" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+d4af306fdd6ab261dfeb0aa57301d08b31b2dd92" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66f8c561dbc7c7a4506a5b26d1a450ce6ae0d2eb176906b7e4efb43768b7adc5
[INFO] running `Command { std: "docker" "start" "-a" "66f8c561dbc7c7a4506a5b26d1a450ce6ae0d2eb176906b7e4efb43768b7adc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66f8c561dbc7c7a4506a5b26d1a450ce6ae0d2eb176906b7e4efb43768b7adc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66f8c561dbc7c7a4506a5b26d1a450ce6ae0d2eb176906b7e4efb43768b7adc5", kill_on_drop: false }`
[INFO] [stdout] 66f8c561dbc7c7a4506a5b26d1a450ce6ae0d2eb176906b7e4efb43768b7adc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+d4af306fdd6ab261dfeb0aa57301d08b31b2dd92" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce1c04153e1e57eb3cdd3b07a14b7f4dd9a939a61575af3f72398623704193ed
[INFO] running `Command { std: "docker" "start" "-a" "ce1c04153e1e57eb3cdd3b07a14b7f4dd9a939a61575af3f72398623704193ed", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.21
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking matches v0.1.4
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]     Checking siphasher v0.2.1
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking log v0.3.7
[INFO] [stderr]     Checking unicode-normalization v0.1.4
[INFO] [stderr]     Checking fallible-iterator v0.1.3
[INFO] [stderr]     Checking md5 v0.3.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking linked-hash-map v0.2.1
[INFO] [stderr]     Checking httparse v1.2.1
[INFO] [stderr]     Checking unicode-bidi v0.2.5
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking mime v0.2.3
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking rustc-serialize v0.3.23
[INFO] [stderr]     Checking phf_shared v0.7.21
[INFO] [stderr]     Checking hex v0.2.0
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling syn v0.11.9
[INFO] [stderr]     Checking phf v0.7.21
[INFO] [stderr]     Checking lru-cache v0.1.0
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking route-recognizer v0.1.11
[INFO] [stderr]     Checking time v0.1.36
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking num_cpus v1.3.0
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking term_size v0.2.3
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking itoa v0.3.1
[INFO] [stderr]     Checking postgres-protocol v0.2.1
[INFO] [stderr]     Checking serde v0.9.11
[INFO] [stderr]     Checking num-traits v0.1.37
[INFO] [stderr]     Checking bufstream v0.1.2
[INFO] [stderr]     Checking unicode-segmentation v1.1.0
[INFO] [stderr]     Checking vec_map v0.7.0
[INFO] [stderr]     Checking dtoa v0.4.1
[INFO] [stdout] error[E0310]: the parameter type `T` may not live long enough
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.23/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]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ...so that the type `T` will meet its required lifetime bounds...
[INFO] [stdout]      |
[INFO] [stdout] note: ...that is required by this bound
[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 bitflags v0.8.0
[INFO] [stderr]     Checking quick-error v1.1.0
[INFO] [stderr]    Compiling unicase v1.4.0
[INFO] [stderr]    Compiling hyper v0.10.5
[INFO] [stderr]    Compiling libsqlite3-sys v0.9.3
[INFO] [stderr]     Checking clap v2.21.1
[INFO] [stderr]     Checking idna v0.1.0
[INFO] [stderr]     Checking postgres-shared v0.2.0
[INFO] [stderr]     Checking rusqlite v0.14.0
[INFO] [stderr]     Checking postgres v0.14.0
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.1
[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` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ce1c04153e1e57eb3cdd3b07a14b7f4dd9a939a61575af3f72398623704193ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce1c04153e1e57eb3cdd3b07a14b7f4dd9a939a61575af3f72398623704193ed", kill_on_drop: false }`
[INFO] [stdout] ce1c04153e1e57eb3cdd3b07a14b7f4dd9a939a61575af3f72398623704193ed