[INFO] cloning repository https://github.com/alanhoff/rackety
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alanhoff/rackety" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falanhoff%2Frackety", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falanhoff%2Frackety'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e5246599e0f2797789def4f11d1d8cb6b16650a6
[INFO] checking alanhoff/rackety/e5246599e0f2797789def4f11d1d8cb6b16650a6 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124305
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falanhoff%2Frackety" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alanhoff/rackety 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 git repo https://github.com/alanhoff/rackety
[INFO] finished tweaking git repo https://github.com/alanhoff/rackety
[INFO] tweaked toml for git repo https://github.com/alanhoff/rackety written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/alanhoff/rackety 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]     Updating git repository `https://github.com/alanhoff/coio-rs.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded slog-stream v1.2.0
[INFO] [stderr]   Downloaded crossbeam v0.2.10
[INFO] [stderr]   Downloaded net2 v0.2.26
[INFO] [stderr]   Downloaded slog-extra v0.1.1
[INFO] [stderr]   Downloaded slog-term v1.3.3
[INFO] [stderr]   Downloaded miow v0.1.3
[INFO] [stderr]   Downloaded isatty v0.1.1
[INFO] [stderr]   Downloaded unicode-segmentation v0.1.2
[INFO] [stderr]   Downloaded bitflags v0.4.0
[INFO] [stderr]   Downloaded nix v0.7.0
[INFO] [stderr]   Downloaded mio v0.6.1
[INFO] [stderr]   Downloaded slog-stdlog v1.1.0
[INFO] [stderr]   Downloaded clap v2.19.0
[INFO] [stderr]   Downloaded linked-hash-map v0.3.0
[INFO] [stderr]   Downloaded context v1.0.0
[INFO] [stderr]   Downloaded num v0.1.36
[INFO] [stderr]   Downloaded slog v1.3.2
[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] c678625a6b0d86f7d4a059a9b0d90bd901e02a3ad67ddf941f2077e9d84f8ef9
[INFO] running `Command { std: "docker" "start" "-a" "c678625a6b0d86f7d4a059a9b0d90bd901e02a3ad67ddf941f2077e9d84f8ef9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c678625a6b0d86f7d4a059a9b0d90bd901e02a3ad67ddf941f2077e9d84f8ef9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c678625a6b0d86f7d4a059a9b0d90bd901e02a3ad67ddf941f2077e9d84f8ef9", kill_on_drop: false }`
[INFO] [stdout] c678625a6b0d86f7d4a059a9b0d90bd901e02a3ad67ddf941f2077e9d84f8ef9
[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] e3618add501ba11036b927acb1af5efb92d47b32ce0310407640bc7dd9616379
[INFO] running `Command { std: "docker" "start" "-a" "e3618add501ba11036b927acb1af5efb92d47b32ce0310407640bc7dd9616379", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.17
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking num-traits v0.1.36
[INFO] [stderr]    Compiling gcc v0.3.38
[INFO] [stderr]     Checking slog v1.3.2
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking lazycell v0.4.0
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking strsim v0.5.2
[INFO] [stderr]     Checking unicode-width v0.1.3
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking unicode-segmentation v0.1.2
[INFO] [stderr]     Checking vec_map v0.6.0
[INFO] [stderr]     Checking crossbeam v0.2.10
[INFO] [stderr]     Checking lazy_static v0.2.2
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking shlex v0.1.1
[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-1.3.2/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/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/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/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/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/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/core/src/fmt/mod.rs:311:12
[INFO] [stdout] note: required by a bound in `SyncSerialize`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/slog-1.3.2/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] [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" "e3618add501ba11036b927acb1af5efb92d47b32ce0310407640bc7dd9616379", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3618add501ba11036b927acb1af5efb92d47b32ce0310407640bc7dd9616379", kill_on_drop: false }`
[INFO] [stdout] e3618add501ba11036b927acb1af5efb92d47b32ce0310407640bc7dd9616379