[INFO] cloning repository theduke/rust-serialization-benchmarks [INFO] running `"git" "clone" "--bare" "git://github.com/theduke/rust-serialization-benchmarks.git" "work/cache/sources/gh/theduke/rust-serialization-benchmarks"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/theduke/rust-serialization-benchmarks'... [INFO] running `"git" "clone" "work/cache/sources/gh/theduke/rust-serialization-benchmarks" "work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/theduke/rust-serialization-benchmarks"` [INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/theduke/rust-serialization-benchmarks'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/theduke/rust-serialization-benchmarks" "work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/theduke/rust-serialization-benchmarks"` [INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/theduke/rust-serialization-benchmarks'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 4d24c6531d75942ef58ef4005e6dbb8f661b2225 [INFO] sha for GitHub repo theduke/rust-serialization-benchmarks: 4d24c6531d75942ef58ef4005e6dbb8f661b2225 [INFO] validating manifest of theduke/rust-serialization-benchmarks on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of theduke/rust-serialization-benchmarks on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing theduke/rust-serialization-benchmarks [INFO] finished frobbing theduke/rust-serialization-benchmarks [INFO] frobbed toml for theduke/rust-serialization-benchmarks written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/theduke/rust-serialization-benchmarks/Cargo.toml [INFO] started frobbing theduke/rust-serialization-benchmarks [INFO] finished frobbing theduke/rust-serialization-benchmarks [INFO] frobbed toml for theduke/rust-serialization-benchmarks written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/theduke/rust-serialization-benchmarks/Cargo.toml [INFO] crate theduke/rust-serialization-benchmarks already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Updating git repository `https://github.com/theduke/bencher.git` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde_cbor v0.4.0 [INFO] [stderr] Downloaded serde-pickle v0.2.0 [INFO] [stderr] Downloaded rmp v0.8.1 [INFO] [stderr] Downloaded cbor v0.4.0 [INFO] [stderr] Downloaded rmp-serde v0.11.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] checking theduke/rust-serialization-benchmarks against master#9f06855064ed06a50c496577b21ca50f92a2e67d for pr-61874 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-4/master#9f06855064ed06a50c496577b21ca50f92a2e67d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/theduke/rust-serialization-benchmarks:/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" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 5ff3641b20e40e1a5a7ed409924ebf0d263fd3b05dbf5f9d081615af1798ede5 [INFO] running `"docker" "start" "-a" "5ff3641b20e40e1a5a7ed409924ebf0d263fd3b05dbf5f9d081615af1798ede5"` [INFO] [stderr] Checking serde v0.8.21 [INFO] [stderr] Compiling quote v0.3.10 [INFO] [stderr] Checking iter-read v0.1.0 [INFO] [stderr] Checking linked-hash-map v0.0.9 [INFO] [stderr] Checking bencher v0.1.2 (https://github.com/theduke/bencher.git#59ee1f8f) [INFO] [stderr] Compiling rust-crypto v0.2.36 [INFO] [stderr] Checking rmp v0.8.1 [INFO] [stderr] Checking cbor v0.4.0 [INFO] [stderr] Checking num-bigint v0.1.35 [INFO] [stderr] Checking time v0.1.35 [INFO] [stderr] Compiling syn v0.10.5 [INFO] [stderr] Checking chrono v0.2.25 [INFO] [stderr] Compiling serde_codegen_internals v0.11.3 [INFO] [stderr] Compiling serde_codegen v0.8.21 [INFO] [stderr] Checking serde_test v0.8.21 [INFO] [stderr] Checking bincode v0.6.1 [INFO] [stderr] Checking serde-pickle v0.2.0 [INFO] [stderr] Checking serde_cbor v0.4.0 [INFO] [stderr] Checking toml v0.2.1 [INFO] [stderr] Checking rmp-serde v0.11.0 [INFO] [stderr] Checking serde_json v0.8.4 [INFO] [stderr] Checking bson v0.3.2 [INFO] [stderr] Checking linked-hash-map v0.3.0 [INFO] [stderr] Checking yaml-rust v0.3.5 [INFO] [stderr] Checking serde-hjson v0.8.1 [INFO] [stderr] Compiling serde_derive v0.8.21 [INFO] [stderr] Checking serde_yaml v0.5.0 [INFO] [stderr] Checking rust_serialization_benchmark v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/main.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(proc_macro)] [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(stable_features)] on by default [INFO] [stderr] [INFO] [stderr] error[E0635]: unknown feature `step_by` [INFO] [stderr] --> src/main.rs:2:12 [INFO] [stderr] | [INFO] [stderr] 2 | #![feature(step_by)] [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0635`. [INFO] [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/main.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(proc_macro)] [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(stable_features)] on by default [INFO] [stderr] [INFO] [stderr] error[E0635]: unknown feature `step_by` [INFO] [stderr] --> src/main.rs:2:12 [INFO] [stderr] | [INFO] [stderr] 2 | #![feature(step_by)] [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: Could not compile `rust_serialization_benchmark`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0635`. [INFO] [stderr] error: Could not compile `rust_serialization_benchmark`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "5ff3641b20e40e1a5a7ed409924ebf0d263fd3b05dbf5f9d081615af1798ede5"` [INFO] running `"docker" "rm" "-f" "5ff3641b20e40e1a5a7ed409924ebf0d263fd3b05dbf5f9d081615af1798ede5"` [INFO] [stdout] 5ff3641b20e40e1a5a7ed409924ebf0d263fd3b05dbf5f9d081615af1798ede5