[INFO] cloning repository https://github.com/Ruin0x11/sabi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ruin0x11/sabi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRuin0x11%2Fsabi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRuin0x11%2Fsabi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 72550faf058e8f2c3c9f87a38df7974df64680f0
[INFO] checking Ruin0x11/sabi against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRuin0x11%2Fsabi" "/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/Ruin0x11/sabi on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Ruin0x11/sabi
[INFO] finished tweaking git repo https://github.com/Ruin0x11/sabi
[INFO] tweaked toml for git repo https://github.com/Ruin0x11/sabi written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Ruin0x11/sabi already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
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[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" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9947d505dfcb68bfe7194232e64324b8bf94b4190ede801d6456639244717df
[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" "c9947d505dfcb68bfe7194232e64324b8bf94b4190ede801d6456639244717df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9947d505dfcb68bfe7194232e64324b8bf94b4190ede801d6456639244717df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9947d505dfcb68bfe7194232e64324b8bf94b4190ede801d6456639244717df", kill_on_drop: false }`
[INFO] [stdout] c9947d505dfcb68bfe7194232e64324b8bf94b4190ede801d6456639244717df
[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" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b3895a050f0aef3f5b83ac0f24efb7e000b97d931bb8bda3f87b38adbee0ad0
[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" "7b3895a050f0aef3f5b83ac0f24efb7e000b97d931bb8bda3f87b38adbee0ad0", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.23
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]     Checking num-traits v0.1.39
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling serde v0.9.15
[INFO] [stderr]    Compiling itoa v0.3.1
[INFO] [stderr]    Compiling dtoa v0.4.1
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling khronos_api v1.0.1
[INFO] [stderr]     Checking serde v1.0.8
[INFO] [stderr]     Checking either v1.1.0
[INFO] [stderr]     Checking scopeguard v0.3.2
[INFO] [stderr]    Compiling rayon-core v1.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking adler32 v1.0.0
[INFO] [stderr]     Checking odds v0.2.25
[INFO] [stderr]     Checking rustc-demangle v0.1.4
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking cfg-if v0.1.1
[INFO] [stderr]     Checking inflate v0.2.0
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]     Checking color_quant v1.0.0
[INFO] [stderr]     Checking slog v1.5.2
[INFO] [stderr]     Checking scoped_threadpool v0.1.7
[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] 120 | pub trait SyncSerialize: Send + Sync + 'static + Serialize {}
[INFO] [stdout]     |                                 ---- required by this bound in `ser::SyncSerialize`
[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 `core::fmt::Arguments<'static>`, the trait `core::marker::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 `core::fmt::ArgumentV1<'static>`
[INFO] [stdout]     = note: required because it appears within the type `[core::fmt::ArgumentV1<'static>]`
[INFO] [stdout]     = note: required because it appears within the type `&'static [core::fmt::ArgumentV1<'static>]`
[INFO] [stdout]     = note: required because it appears within the type `core::fmt::Arguments<'static>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 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`.
[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" "7b3895a050f0aef3f5b83ac0f24efb7e000b97d931bb8bda3f87b38adbee0ad0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b3895a050f0aef3f5b83ac0f24efb7e000b97d931bb8bda3f87b38adbee0ad0", kill_on_drop: false }`
[INFO] [stdout] 7b3895a050f0aef3f5b83ac0f24efb7e000b97d931bb8bda3f87b38adbee0ad0