[INFO] cloning repository https://github.com/emallson/waluigi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emallson/waluigi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femallson%2Fwaluigi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femallson%2Fwaluigi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e9eda72dc597001aba10b1abefdf6e6268bf5c01
[INFO] checking emallson/waluigi against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femallson%2Fwaluigi" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/emallson/waluigi on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/emallson/waluigi
[INFO] finished tweaking git repo https://github.com/emallson/waluigi
[INFO] tweaked toml for git repo https://github.com/emallson/waluigi written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/emallson/waluigi 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" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded slog-term v1.5.0
[INFO] [stderr]   Downloaded slog-extra v0.1.2
[INFO] [stderr]   Downloaded slog-serde v1.0.0-alpha9
[INFO] [stderr]   Downloaded serde_yaml v0.6.2
[INFO] [stderr]   Downloaded serde v0.9.11
[INFO] [stderr]   Downloaded either v1.0.3
[INFO] [stderr]   Downloaded maplit v0.1.4
[INFO] [stderr]   Downloaded slog-json v1.2.1
[INFO] [stderr]   Downloaded slog v1.5.2
[INFO] [stderr]   Downloaded slog-stream v1.2.0
[INFO] [stderr]   Downloaded aho-corasick v0.6.2
[INFO] [stderr]   Downloaded serde_json v0.9.9
[INFO] [stderr]   Downloaded itertools v0.5.9
[INFO] [stderr]   Downloaded syn v0.11.9
[INFO] [stderr]   Downloaded serde_derive v0.9.11
[INFO] [stderr]   Downloaded serde_codegen_internals v0.14.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa0b38270f8d43dc051972a546b14f8b238e9e665cc7ab3df71251e28a369e1c
[INFO] running `Command { std: "docker" "start" "-a" "aa0b38270f8d43dc051972a546b14f8b238e9e665cc7ab3df71251e28a369e1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa0b38270f8d43dc051972a546b14f8b238e9e665cc7ab3df71251e28a369e1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa0b38270f8d43dc051972a546b14f8b238e9e665cc7ab3df71251e28a369e1c", kill_on_drop: false }`
[INFO] [stdout] aa0b38270f8d43dc051972a546b14f8b238e9e665cc7ab3df71251e28a369e1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6cc31d7f858a6990244bf6b6e1bf8b945b5b2df57d9b390196eccea34a167fae
[INFO] running `Command { std: "docker" "start" "-a" "6cc31d7f858a6990244bf6b6e1bf8b945b5b2df57d9b390196eccea34a167fae", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.21
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking num-traits v0.1.37
[INFO] [stderr]     Checking slog v1.5.2
[INFO] [stderr]    Compiling gcc v0.3.45
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stdout] error[E0277]: `core::fmt::rt::Opaque` cannot be shared between threads safely
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/slog-1.5.2/src/ser.rs:228:24
[INFO] [stdout]     |
[INFO] [stdout] 228 | impl SyncSerialize for fmt::Arguments<'static> {}
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^ `core::fmt::rt::Opaque` cannot be shared between threads safely
[INFO] [stdout]     |
[INFO] [stdout]     = help: within `Arguments<'static>`, the trait `Sync` is not implemented for `core::fmt::rt::Opaque`, which is required by `Arguments<'static>: Sync`
[INFO] [stdout]     = note: required because it appears within the type `&'static core::fmt::rt::Opaque`
[INFO] [stdout] note: required because it appears within the type `core::fmt::rt::ArgumentType<'static>`
[INFO] [stdout]    --> /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/core/src/fmt/rt.rs:68:6
[INFO] [stdout] note: required because it appears within the type `core::fmt::rt::Argument<'static>`
[INFO] [stdout]    --> /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/core/src/fmt/rt.rs:85:12
[INFO] [stdout]     = note: required because it appears within the type `[core::fmt::rt::Argument<'static>]`
[INFO] [stdout]     = note: required because it appears within the type `&'static [core::fmt::rt::Argument<'static>]`
[INFO] [stdout] note: required because it appears within the type `Arguments<'static>`
[INFO] [stdout]    --> /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/core/src/fmt/mod.rs:323:12
[INFO] [stdout] note: required by a bound in `SyncSerialize`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/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]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `slog` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6cc31d7f858a6990244bf6b6e1bf8b945b5b2df57d9b390196eccea34a167fae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cc31d7f858a6990244bf6b6e1bf8b945b5b2df57d9b390196eccea34a167fae", kill_on_drop: false }`
[INFO] [stdout] 6cc31d7f858a6990244bf6b6e1bf8b945b5b2df57d9b390196eccea34a167fae