[INFO] cloning repository https://github.com/toastxwizard/discord_joke_bot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/toastxwizard/discord_joke_bot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftoastxwizard%2Fdiscord_joke_bot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftoastxwizard%2Fdiscord_joke_bot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 53a36f92bb103b6e1e59ddc33446228ae3173355
[INFO] checking toastxwizard/discord_joke_bot against try#6757d700f93f6d16c8b39cf79e96b019bd570e7d for pr-155299
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftoastxwizard%2Fdiscord_joke_bot" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/toastxwizard/discord_joke_bot
[INFO] finished tweaking git repo https://github.com/toastxwizard/discord_joke_bot
[INFO] tweaked toml for git repo https://github.com/toastxwizard/discord_joke_bot written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/toastxwizard/discord_joke_bot on toolchain 6757d700f93f6d16c8b39cf79e96b019bd570e7d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6757d700f93f6d16c8b39cf79e96b019bd570e7d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/toastxwizard/discord_joke_bot 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" "+6757d700f93f6d16c8b39cf79e96b019bd570e7d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+6757d700f93f6d16c8b39cf79e96b019bd570e7d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2a73443fc05dc5cc4fa9e13346266dec749f3e0e7517f501bde6f237aabc803
[INFO] running `Command { std: "docker" "start" "-a" "e2a73443fc05dc5cc4fa9e13346266dec749f3e0e7517f501bde6f237aabc803", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2a73443fc05dc5cc4fa9e13346266dec749f3e0e7517f501bde6f237aabc803", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2a73443fc05dc5cc4fa9e13346266dec749f3e0e7517f501bde6f237aabc803", kill_on_drop: false }`
[INFO] [stdout] e2a73443fc05dc5cc4fa9e13346266dec749f3e0e7517f501bde6f237aabc803
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+6757d700f93f6d16c8b39cf79e96b019bd570e7d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63fbe4eefb0b126b5fed24e46e75c7d5fd988d0e80b636fb9c77e3fcb45d5c45
[INFO] running `Command { std: "docker" "start" "-a" "63fbe4eefb0b126b5fed24e46e75c7d5fd988d0e80b636fb9c77e3fcb45d5c45", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.63
[INFO] [stderr]    Compiling libc v0.2.87
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.6
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-sink v0.3.13
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]     Checking futures-task v0.3.13
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling tokio v1.2.0
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking http v0.2.3
[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/6757d700f93f6d16c8b39cf79e96b019bd570e7d/library/alloc/src/borrow.rs:169:29
[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 concurrent-queue v1.2.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]    Compiling async-trait v0.1.48
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling rustversion v1.0.4
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking sha-1 v0.9.4
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking idna v0.2.2
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking nb-connect v1.0.3
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking universal-hash v0.4.0
[INFO] [stderr]    Compiling err-derive v0.2.4
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]     Checking url v2.2.1
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking cipher v0.2.5
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stdout] For more information about this error, try `rustc --explain E0310`.
[INFO] [stdout] 
[INFO] [stderr]     Checking input_buffer v0.4.0
[INFO] [stderr] error: could not compile `rustc-serialize` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "63fbe4eefb0b126b5fed24e46e75c7d5fd988d0e80b636fb9c77e3fcb45d5c45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63fbe4eefb0b126b5fed24e46e75c7d5fd988d0e80b636fb9c77e3fcb45d5c45", kill_on_drop: false }`
[INFO] [stdout] 63fbe4eefb0b126b5fed24e46e75c7d5fd988d0e80b636fb9c77e3fcb45d5c45
