[INFO] updating cached repository nathanjent/ink_rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nathanjent/ink_rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nathanjent/ink_rust" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/nathanjent/ink_rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/nathanjent/ink_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nathanjent/ink_rust" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/nathanjent/ink_rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/nathanjent/ink_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4f566845fa6ead5ad61b160e9676f237720a5de7
[INFO] sha for GitHub repo nathanjent/ink_rust: 4f566845fa6ead5ad61b160e9676f237720a5de7
[INFO] validating manifest of nathanjent/ink_rust on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of nathanjent/ink_rust on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing nathanjent/ink_rust
[INFO] finished frobbing nathanjent/ink_rust
[INFO] frobbed toml for nathanjent/ink_rust written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/nathanjent/ink_rust/Cargo.toml
[INFO] started frobbing nathanjent/ink_rust
[INFO] finished frobbing nathanjent/ink_rust
[INFO] frobbed toml for nathanjent/ink_rust written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/nathanjent/ink_rust/Cargo.toml
[INFO] crate nathanjent/ink_rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking nathanjent/ink_rust against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-0/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/nathanjent/ink_rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8802d8c4051b40c3896b25e1f53d94ae491da49d955e4a783e873074eae5084e
[INFO] running `"docker" "start" "-a" "8802d8c4051b40c3896b25e1f53d94ae491da49d955e4a783e873074eae5084e"`
[INFO] [stderr]     Checking fixedbitset v0.1.5
[INFO] [stderr]     Checking slog v1.5.0
[INFO] [stderr]     Checking float-cmp v0.2.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.6
[INFO] [stderr]    Compiling phf_generator v0.7.20
[INFO] [stderr]     Checking num-bigint v0.1.35
[INFO] [stderr]     Checking clap v2.19.3
[INFO] [stderr]     Checking pistoncore-input v0.17.1
[INFO] [stderr] error[E0277]: `*mut (dyn core::ops::Fn() + 'static)` cannot be shared between threads safely
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/slog-1.5.0/src/ser.rs:228:6
[INFO] [stderr]     |
[INFO] [stderr] 228 | impl SyncSerialize for fmt::Arguments<'static> {}
[INFO] [stderr]     |      ^^^^^^^^^^^^^ `*mut (dyn core::ops::Fn() + 'static)` cannot be shared between threads safely
[INFO] [stderr]     |
[INFO] [stderr]     = help: within `core::fmt::Arguments<'static>`, the trait `core::marker::Sync` is not implemented for `*mut (dyn core::ops::Fn() + 'static)`
[INFO] [stderr]     = note: required because it appears within the type `core::marker::PhantomData<*mut (dyn core::ops::Fn() + 'static)>`
[INFO] [stderr]     = note: required because it appears within the type `core::fmt::Void`
[INFO] [stderr]     = note: required because it appears within the type `&'static core::fmt::Void`
[INFO] [stderr]     = note: required because it appears within the type `core::fmt::ArgumentV1<'static>`
[INFO] [stderr]     = note: required because it appears within the type `[core::fmt::ArgumentV1<'static>]`
[INFO] [stderr]     = note: required because it appears within the type `&'static [core::fmt::ArgumentV1<'static>]`
[INFO] [stderr]     = note: required because it appears within the type `core::fmt::Arguments<'static>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: Could not compile `slog`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "8802d8c4051b40c3896b25e1f53d94ae491da49d955e4a783e873074eae5084e"`
[INFO] running `"docker" "rm" "-f" "8802d8c4051b40c3896b25e1f53d94ae491da49d955e4a783e873074eae5084e"`
[INFO] [stdout] 8802d8c4051b40c3896b25e1f53d94ae491da49d955e4a783e873074eae5084e