[INFO] fetching crate fre 0.3.1...
[INFO] checking fre-0.3.1 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate fre 0.3.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate fre 0.3.1 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fre 0.3.1
[INFO] finished tweaking crates.io crate fre 0.3.1
[INFO] tweaked toml for crates.io crate fre 0.3.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate fre 0.3.1 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" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_core v0.3.0
[INFO] [stderr]   Downloaded cfg-if v0.1.6
[INFO] [stderr]   Downloaded num-traits v0.2.6
[INFO] [stderr]   Downloaded redox_syscall v0.1.40
[INFO] [stderr]   Downloaded remove_dir_all v0.5.1
[INFO] [stderr]   Downloaded crossbeam-epoch v0.3.1
[INFO] [stderr]   Downloaded num_cpus v1.8.0
[INFO] [stderr]   Downloaded strsim v0.7.0
[INFO] [stderr]   Downloaded directories v1.0.2
[INFO] [stderr]   Downloaded humantime v1.1.1
[INFO] [stderr]   Downloaded crossbeam-utils v0.2.2
[INFO] [stderr]   Downloaded either v1.5.0
[INFO] [stderr]   Downloaded arrayvec v0.4.7
[INFO] [stderr]   Downloaded time v0.1.40
[INFO] [stderr]   Downloaded rayon-core v1.4.1
[INFO] [stderr]   Downloaded chrono v0.4.6
[INFO] [stderr]   Downloaded clap v2.32.0
[INFO] [stderr]   Downloaded regex v1.0.6
[INFO] [stderr]   Downloaded rayon v1.0.3
[INFO] [stderr]   Downloaded ryu v0.2.7
[INFO] [stderr]   Downloaded textwrap v0.10.0
[INFO] [stderr]   Downloaded termcolor v1.0.4
[INFO] [stderr]   Downloaded aho-corasick v0.6.9
[INFO] [stderr]   Downloaded memchr v2.1.1
[INFO] [stderr]   Downloaded ucd-util v0.1.2
[INFO] [stderr]   Downloaded utf8-ranges v1.0.2
[INFO] [stderr]   Downloaded predicates v1.0.0
[INFO] [stderr]   Downloaded crossbeam-deque v0.2.0
[INFO] [stderr]   Downloaded serde_derive v1.0.80
[INFO] [stderr]   Downloaded serde v1.0.80
[INFO] [stderr]   Downloaded serde_json v1.0.33
[INFO] [stderr]   Downloaded rand v0.4.3
[INFO] [stderr]   Downloaded libc v0.2.43
[INFO] [stderr]   Downloaded rand v0.5.5
[INFO] [stderr]   Downloaded quote v0.6.10
[INFO] [stderr]   Downloaded num-iter v0.1.37
[INFO] [stderr]   Downloaded num-integer v0.1.39
[INFO] [stderr]   Downloaded tempfile v3.0.4
[INFO] [stderr]   Downloaded assert_cmd v0.10.1
[INFO] [stderr]   Downloaded regex-syntax v0.6.3
[INFO] [stderr]   Downloaded winapi-util v0.1.1
[INFO] [stderr]   Downloaded proc-macro2 v0.4.23
[INFO] [stderr]   Downloaded syn v0.15.20
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66d82e9e3dcee79351fdd6c851767b53ea3d890c5719dc24d786bedab72e6084
[INFO] running `Command { std: "docker" "start" "-a" "66d82e9e3dcee79351fdd6c851767b53ea3d890c5719dc24d786bedab72e6084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66d82e9e3dcee79351fdd6c851767b53ea3d890c5719dc24d786bedab72e6084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66d82e9e3dcee79351fdd6c851767b53ea3d890c5719dc24d786bedab72e6084", kill_on_drop: false }`
[INFO] [stdout] 66d82e9e3dcee79351fdd6c851767b53ea3d890c5719dc24d786bedab72e6084
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 653cdc52fbc3dca9afc634a05375e80ff4d62d650a76b66e00f82f9aa5801c7d
[INFO] running `Command { std: "docker" "start" "-a" "653cdc52fbc3dca9afc634a05375e80ff4d62d650a76b66e00f82f9aa5801c7d", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.23
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling regex v1.0.6
[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/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/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 ucd-util v0.1.2
[INFO] [stderr]     Checking regex-syntax v0.6.3
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling syn v0.15.20
[INFO] [stderr]     Checking predicates-core v1.0.0
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]    Compiling escargot v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking float-cmp v0.4.0
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking normalize-line-endings v0.2.2
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0310`.
[INFO] [stdout] 
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking quick-error v1.2.2
[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" "653cdc52fbc3dca9afc634a05375e80ff4d62d650a76b66e00f82f9aa5801c7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "653cdc52fbc3dca9afc634a05375e80ff4d62d650a76b66e00f82f9aa5801c7d", kill_on_drop: false }`
[INFO] [stdout] 653cdc52fbc3dca9afc634a05375e80ff4d62d650a76b66e00f82f9aa5801c7d
