[INFO] cloning repository https://github.com/Xion/rofld
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Xion/rofld" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXion%2Frofld", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXion%2Frofld'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8a8b24822c43838920b6052c8099549e2d1f5e2c
[INFO] testing Xion/rofld against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXion%2Frofld" "/workspace/builds/worker-31/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-31/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Xion/rofld on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Xion/rofld
[INFO] finished tweaking git repo https://github.com/Xion/rofld
[INFO] tweaked toml for git repo https://github.com/Xion/rofld written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] crate git repo https://github.com/Xion/rofld already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 763b10f69bcabd26f39920ab62abba124b6435ea74c2e046927d18e2a00d8d48
[INFO] running `Command { std: "docker" "start" "-a" "763b10f69bcabd26f39920ab62abba124b6435ea74c2e046927d18e2a00d8d48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "763b10f69bcabd26f39920ab62abba124b6435ea74c2e046927d18e2a00d8d48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "763b10f69bcabd26f39920ab62abba124b6435ea74c2e046927d18e2a00d8d48", kill_on_drop: false }`
[INFO] [stdout] 763b10f69bcabd26f39920ab62abba124b6435ea74c2e046927d18e2a00d8d48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e79c91ac2089e30d219d0ab70ad54ffbd9bb8f2a3b343bab6d0eb53a3fb9a344
[INFO] running `Command { std: "docker" "start" "-a" "e79c91ac2089e30d219d0ab70ad54ffbd9bb8f2a3b343bab6d0eb53a3fb9a344", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.28
[INFO] [stderr]    Compiling num-traits v0.1.40
[INFO] [stderr]    Compiling futures v0.1.14
[INFO] [stderr]    Compiling byteorder v1.1.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling log v0.3.8
[INFO] [stderr]    Compiling either v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.2.1
[INFO] [stderr]    Compiling scopeguard v0.3.2
[INFO] [stderr]    Compiling gcc v0.3.51
[INFO] [stderr]    Compiling slog v1.5.2
[INFO] [stderr]    Compiling adler32 v1.0.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.5
[INFO] [stderr]    Compiling color_quant v1.0.0
[INFO] [stderr]    Compiling odds v0.2.25
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling byteorder v0.4.2
[INFO] [stderr]    Compiling scoped-tls v0.1.0
[INFO] [stderr]    Compiling matches v0.1.6
[INFO] [stderr]    Compiling derive_builder v0.4.7
[INFO] [stderr]    Compiling inflate v0.1.1
[INFO] [stderr]    Compiling serde v1.0.11
[INFO] [stderr]    Compiling crossbeam v0.2.10
[INFO] [stderr]    Compiling percent-encoding v1.0.0
[INFO] [stderr]    Compiling linked-hash-map v0.0.10
[INFO] [stderr]    Compiling lazy_static v0.1.16
[INFO] [stderr]    Compiling linked-hash-map v0.4.2
[INFO] [stderr]    Compiling case v0.1.0
[INFO] [stderr]    Compiling custom_derive v0.1.7
[INFO] [stderr]    Compiling scoped_threadpool v0.1.7
[INFO] [stderr]    Compiling rgb v0.7.0
[INFO] [stderr]    Compiling regex-syntax v0.4.1
[INFO] [stderr]    Compiling macro-attr v0.2.0
[INFO] [stderr]    Compiling try_opt v0.1.1
[INFO] [stderr]    Compiling maplit v0.1.4
[INFO] [stderr]    Compiling smallvec v0.2.1
[INFO] [stderr]    Compiling safemem v0.2.0
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling take v0.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.1.0
[INFO] [stderr]    Compiling antidote v1.0.0
[INFO] [stderr]    Compiling float-ord v0.1.2
[INFO] [stderr]    Compiling enum_derive v0.1.7
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling vec_map v0.8.0
[INFO] [stderr]    Compiling httparse v1.2.3
[INFO] [stderr]    Compiling exitcode v1.1.2
[INFO] [stderr]    Compiling fnv v1.0.5
[INFO] [stderr]    Compiling data-encoding v1.2.0
[INFO] [stderr]    Compiling atomic v0.3.4
[INFO] [stderr]    Compiling enum-set v0.0.7
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling semver v0.6.0
[INFO] [stderr]    Compiling unicase v2.0.0
[INFO] [stderr]    Compiling newtype_derive v0.1.6
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stdout] error[E0277]: `core::fmt::Opaque` cannot be shared between threads safely
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/slog-1.5.2/src/ser.rs:228:6
[INFO] [stdout]     |
[INFO] [stdout] 228 | impl SyncSerialize for fmt::Arguments<'static> {}
[INFO] [stdout]     |      ^^^^^^^^^^^^^ `core::fmt::Opaque` cannot be shared between threads safely
[INFO] [stdout]     |
[INFO] [stdout]     = help: within `Arguments<'static>`, the trait `Sync` is not implemented for `core::fmt::Opaque`
[INFO] [stdout]     = note: required because it appears within the type `&'static core::fmt::Opaque`
[INFO] [stdout]     = note: required because it appears within the type `ArgumentV1<'static>`
[INFO] [stdout]     = note: required because it appears within the type `[ArgumentV1<'static>]`
[INFO] [stdout]     = note: required because it appears within the type `&'static [ArgumentV1<'static>]`
[INFO] [stdout]     = note: required because it appears within the type `Arguments<'static>`
[INFO] [stdout] note: required by a bound in `SyncSerialize`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/slog-1.5.2/src/ser.rs:120:33
[INFO] [stdout]     |
[INFO] [stdout] 120 | pub trait SyncSerialize: Send + Sync + 'static + Serialize {}
[INFO] [stdout]     |                                 ^^^^ required by this bound in `SyncSerialize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `slog` due to 2 previous errors
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e79c91ac2089e30d219d0ab70ad54ffbd9bb8f2a3b343bab6d0eb53a3fb9a344", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e79c91ac2089e30d219d0ab70ad54ffbd9bb8f2a3b343bab6d0eb53a3fb9a344", kill_on_drop: false }`
[INFO] [stdout] e79c91ac2089e30d219d0ab70ad54ffbd9bb8f2a3b343bab6d0eb53a3fb9a344