[INFO] cloning repository https://github.com/ethankhall/inc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ethankhall/inc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethankhall%2Finc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethankhall%2Finc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f67949127dc5382c3862eae30b6615333474961a
[INFO] checking ethankhall/inc against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethankhall%2Finc" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ethankhall/inc on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ethankhall/inc
[INFO] finished tweaking git repo https://github.com/ethankhall/inc
[INFO] tweaked toml for git repo https://github.com/ethankhall/inc written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/ethankhall/inc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded redox_users v0.2.0
[INFO] [stderr]   Downloaded assert_cli v0.5.4
[INFO] [stderr]   Downloaded failure_derive v0.1.2
[INFO] [stderr]   Downloaded failure v0.1.2
[INFO] [stderr]   Downloaded colored v1.6.1
[INFO] [stderr]   Downloaded difference v1.0.0
[INFO] [stderr]   Downloaded serde_json v1.0.31
[INFO] [stderr]   Downloaded synstructure v0.9.0
[INFO] [stderr]   Downloaded serde_derive v1.0.79
[INFO] [stderr]   Downloaded fern v0.4.4
[INFO] [stderr]   Downloaded proc-macro2 v0.4.19
[INFO] [stderr]   Downloaded toml v0.4.7
[INFO] [stderr]   Downloaded names v0.11.0
[INFO] [stderr]   Downloaded syn v0.15.6
[INFO] [stderr]   Downloaded environment v0.1.1
[INFO] [stderr]   Downloaded serde_yaml v0.8.5
[INFO] [stderr]   Downloaded log v0.4.5
[INFO] [stderr]   Downloaded serde v1.0.79
[INFO] [stderr]   Downloaded skeptic v0.13.3
[INFO] [stderr]   Downloaded arc-swap v0.3.0
[INFO] [stderr]   Downloaded dirs v1.0.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4bf6df2ab3e89fe3d327f2241328acc4511242cb96319e8633610b665fe9fd59
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4bf6df2ab3e89fe3d327f2241328acc4511242cb96319e8633610b665fe9fd59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4bf6df2ab3e89fe3d327f2241328acc4511242cb96319e8633610b665fe9fd59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bf6df2ab3e89fe3d327f2241328acc4511242cb96319e8633610b665fe9fd59", kill_on_drop: false }`
[INFO] [stdout] 4bf6df2ab3e89fe3d327f2241328acc4511242cb96319e8633610b665fe9fd59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5560ab1fd21d3a35ce620d14b19e69727ce2adab0fdbb555d0dcbf559eb7b77e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5560ab1fd21d3a35ce620d14b19e69727ce2adab0fdbb555d0dcbf559eb7b77e", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling serde v1.0.79
[INFO] [stderr]    Compiling proc-macro2 v0.4.19
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]     Checking unicode-normalization v0.1.7
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]     Checking utf8-ranges v1.0.1
[INFO] [stderr]    Compiling same-file v1.0.3
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking arc-swap v0.3.0
[INFO] [stderr]    Compiling bytecount v0.3.2
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking log v0.4.5
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]    Compiling walkdir v2.2.5
[INFO] [stderr]     Checking yaml-rust v0.4.2
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking signal-hook v0.1.5
[INFO] [stderr]     Checking dirs v1.0.4
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking colored v1.6.1
[INFO] [stderr]     Checking fern v0.4.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking aho-corasick v0.6.8
[INFO] [stderr]    Compiling syn v0.15.6
[INFO] [stderr]     Checking url v1.7.1
[INFO] [stderr]     Checking names v0.11.0
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling serde_derive v1.0.79
[INFO] [stderr]    Compiling serde_json v1.0.31
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_derive-1.0.79/src/lib.rs:86:17
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let input = parse_macro_input!(input as DeriveInput);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `parse_macro_input` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_derive-1.0.79/src/lib.rs:94:17
[INFO] [stdout]    |
[INFO] [stdout] 94 |     let input = parse_macro_input!(input as DeriveInput);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `parse_macro_input` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking serde_yaml v0.8.5
[INFO] [stderr]     Checking toml v0.4.7
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serde_derive`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5560ab1fd21d3a35ce620d14b19e69727ce2adab0fdbb555d0dcbf559eb7b77e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5560ab1fd21d3a35ce620d14b19e69727ce2adab0fdbb555d0dcbf559eb7b77e", kill_on_drop: false }`
[INFO] [stdout] 5560ab1fd21d3a35ce620d14b19e69727ce2adab0fdbb555d0dcbf559eb7b77e