[INFO] cloning repository https://github.com/uttarayan21/mctl-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/uttarayan21/mctl-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Futtarayan21%2Fmctl-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Futtarayan21%2Fmctl-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b3ecde84b629bef453123278e49930873e2e6fba
[INFO] checking uttarayan21/mctl-rs against try#943e2200e35c3825486c4671b6cab0107a07f8c1 for pr-148952
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Futtarayan21%2Fmctl-rs" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/uttarayan21/mctl-rs
[INFO] finished tweaking git repo https://github.com/uttarayan21/mctl-rs
[INFO] tweaked toml for git repo https://github.com/uttarayan21/mctl-rs written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/uttarayan21/mctl-rs on toolchain 943e2200e35c3825486c4671b6cab0107a07f8c1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/uttarayan21/mctl-rs 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" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.30
[INFO] [stderr]   Downloaded xdg v2.4.0
[INFO] [stderr]   Downloaded from_variants_impl v0.3.0
[INFO] [stderr]   Downloaded from_variants v0.3.0
[INFO] [stderr]   Downloaded darling_macro v0.4.0
[INFO] [stderr]   Downloaded serde_yaml v0.8.21
[INFO] [stderr]   Downloaded enum-kinds v0.4.1
[INFO] [stderr]   Downloaded quote v0.5.2
[INFO] [stderr]   Downloaded proc-macro2 v0.2.3
[INFO] [stderr]   Downloaded mpd v0.0.12
[INFO] [stderr]   Downloaded libdbus-sys v0.2.2
[INFO] [stderr]   Downloaded derive_is_enum_variant v0.1.1
[INFO] [stderr]   Downloaded dbus v0.6.5
[INFO] [stderr]   Downloaded syn v0.13.11
[INFO] [stderr]   Downloaded darling_core v0.4.0
[INFO] [stderr]   Downloaded proc-macro2 v0.3.8
[INFO] [stderr]   Downloaded darling v0.4.0
[INFO] [stderr]   Downloaded mpris v1.1.2
[INFO] [stderr]   Downloaded syn v0.12.15
[INFO] [stderr]   Downloaded libc v0.2.104
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 141c5e26d0da3c9bf908ee0137db2554008a9ff9d86176ca03fac85d14c30f18
[INFO] running `Command { std: "docker" "start" "-a" "141c5e26d0da3c9bf908ee0137db2554008a9ff9d86176ca03fac85d14c30f18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "141c5e26d0da3c9bf908ee0137db2554008a9ff9d86176ca03fac85d14c30f18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "141c5e26d0da3c9bf908ee0137db2554008a9ff9d86176ca03fac85d14c30f18", kill_on_drop: false }`
[INFO] [stdout] 141c5e26d0da3c9bf908ee0137db2554008a9ff9d86176ca03fac85d14c30f18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 987d3f407e2a6edc753c1c9e014a4117e80b2d2408447101c070cda3eb3d7644
[INFO] running `Command { std: "docker" "start" "-a" "987d3f407e2a6edc753c1c9e014a4117e80b2d2408447101c070cda3eb3d7644", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling libdbus-sys v0.2.2
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]     Checking object v0.26.2
[INFO] [stderr]     Checking indexmap v1.7.0
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]    Compiling quote v0.5.2
[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/943e2200e35c3825486c4671b6cab0107a07f8c1/library/alloc/src/borrow.rs:182:29
[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]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking dbus v0.6.5
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking dirs v3.0.2
[INFO] [stderr]     Checking xdg v2.4.0
[INFO] [stderr]     Checking addr2line v0.16.0
[INFO] [stderr]    Compiling derive_is_enum_variant v0.1.1
[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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "987d3f407e2a6edc753c1c9e014a4117e80b2d2408447101c070cda3eb3d7644", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "987d3f407e2a6edc753c1c9e014a4117e80b2d2408447101c070cda3eb3d7644", kill_on_drop: false }`
[INFO] [stdout] 987d3f407e2a6edc753c1c9e014a4117e80b2d2408447101c070cda3eb3d7644