[INFO] cloning repository https://github.com/bnjbvr/better-rss
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bnjbvr/better-rss" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbnjbvr%2Fbetter-rss", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbnjbvr%2Fbetter-rss'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d63e28d2b6699da8b26934dbea229ddaad3d883e
[INFO] checking bnjbvr/better-rss against try#d4af306fdd6ab261dfeb0aa57301d08b31b2dd92 for pr-105483
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbnjbvr%2Fbetter-rss" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bnjbvr/better-rss 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/bnjbvr/better-rss
[INFO] finished tweaking git repo https://github.com/bnjbvr/better-rss
[INFO] tweaked toml for git repo https://github.com/bnjbvr/better-rss written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/bnjbvr/better-rss 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-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" "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] 810e13d93957a21da84747e12a031da2fad07484e77e3af2f35bca6a0ac7d90a
[INFO] running `Command { std: "docker" "start" "-a" "810e13d93957a21da84747e12a031da2fad07484e77e3af2f35bca6a0ac7d90a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "810e13d93957a21da84747e12a031da2fad07484e77e3af2f35bca6a0ac7d90a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "810e13d93957a21da84747e12a031da2fad07484e77e3af2f35bca6a0ac7d90a", kill_on_drop: false }`
[INFO] [stdout] 810e13d93957a21da84747e12a031da2fad07484e77e3af2f35bca6a0ac7d90a
[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" "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] 1e977e7d566fffcdde4fc3e8b10aec930213977a4980817d1efd6ad66db06120
[INFO] running `Command { std: "docker" "start" "-a" "1e977e7d566fffcdde4fc3e8b10aec930213977a4980817d1efd6ad66db06120", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]     Checking cfg-if v0.1.4
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling cc v1.0.18
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking futures v0.1.23
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling pkg-config v0.3.11
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking matches v0.1.6
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking itoa v0.4.2
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking rustc-demangle v0.1.8
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking unicode-normalization v0.1.7
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking lazycell v0.6.0
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]     Checking phf_shared v0.7.22
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking phf v0.7.22
[INFO] [stderr]     Checking new_debug_unreachable v1.0.1
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling syn v0.14.4
[INFO] [stderr]     Checking bytes v0.4.8
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking tokio-executor v0.1.7
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling unicase v2.1.0
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking mio v0.6.15
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.23
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking tokio-io v0.1.7
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling httparse v1.3.2
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling regex v1.0.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]    Compiling openssl-sys v0.9.47
[INFO] [stderr]     Checking dtoa v0.4.3
[INFO] [stderr]     Checking foreign-types v0.3.2
[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-0.3.24/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]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ...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]    Compiling miniz_oxide_c_api v0.2.1
[INFO] [stderr]    Compiling phf_generator v0.7.22
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]    Compiling phf_codegen v0.7.22
[INFO] [stderr]    Compiling string_cache_codegen v0.4.1
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking http v0.1.17
[INFO] [stderr]     Checking tokio-reactor v0.1.2
[INFO] [stderr]     Checking regex-syntax v0.6.7
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking debug_unreachable v0.1.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.14
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking tokio-tcp v0.1.0
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking tokio-trace-core v0.2.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling num-traits v0.2.5
[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]     Checking adler32 v1.0.3
[INFO] [stderr]    Compiling crc32fast v1.2.0
[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" "1e977e7d566fffcdde4fc3e8b10aec930213977a4980817d1efd6ad66db06120", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e977e7d566fffcdde4fc3e8b10aec930213977a4980817d1efd6ad66db06120", kill_on_drop: false }`
[INFO] [stdout] 1e977e7d566fffcdde4fc3e8b10aec930213977a4980817d1efd6ad66db06120