[INFO] updating cached repository MarkSwanson/sip-javascript [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/MarkSwanson/sip-javascript [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/MarkSwanson/sip-javascript" "work/ex/beta-1.38-1/sources/1.37.0/gh/MarkSwanson/sip-javascript"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/MarkSwanson/sip-javascript'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/MarkSwanson/sip-javascript" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/MarkSwanson/sip-javascript"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/MarkSwanson/sip-javascript'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 72465b59186c89152dbec0d0f17b52c14d96a71c [INFO] sha for GitHub repo MarkSwanson/sip-javascript: 72465b59186c89152dbec0d0f17b52c14d96a71c [INFO] validating manifest of MarkSwanson/sip-javascript on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of MarkSwanson/sip-javascript on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing MarkSwanson/sip-javascript [INFO] finished frobbing MarkSwanson/sip-javascript [INFO] frobbed toml for MarkSwanson/sip-javascript written to work/ex/beta-1.38-1/sources/1.37.0/gh/MarkSwanson/sip-javascript/Cargo.toml [INFO] started frobbing MarkSwanson/sip-javascript [INFO] finished frobbing MarkSwanson/sip-javascript [INFO] frobbed toml for MarkSwanson/sip-javascript written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/MarkSwanson/sip-javascript/Cargo.toml [INFO] crate MarkSwanson/sip-javascript already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing MarkSwanson/sip-javascript against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/MarkSwanson/sip-javascript:/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=warn" "-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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] 539710d5ea5ba32175b1145e379d27374f4e4a71592bee36efd607c8bcc18bd8 [INFO] running `"docker" "start" "-a" "539710d5ea5ba32175b1145e379d27374f4e4a71592bee36efd607c8bcc18bd8"` [INFO] [stderr] Compiling futures v0.1.25 [INFO] [stderr] Compiling arc-swap v0.3.6 [INFO] [stderr] Compiling flate2-crc v0.1.0 [INFO] [stderr] Compiling askama_escape v0.1.0 [INFO] [stderr] Compiling sip_javascript v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Compiling libm v0.1.2 (https://github.com/rust-lang-nursery/libm.git#3559e703) [INFO] [stderr] Compiling slotmap v0.2.1 [INFO] [stderr] Compiling actix-web v0.7.14 [INFO] [stderr] warning: unused import: `std::process::Command` [INFO] [stderr] --> build.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::process::Command; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs::File` [INFO] [stderr] --> build.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::fs::File; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::Write` [INFO] [stderr] --> build.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::io::Write; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/slotmap-0.2.1/src/lib.rs:4:35 [INFO] [stderr] | [INFO] [stderr] 4 | #![cfg_attr(feature = "unstable", feature(untagged_unions))] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-0.1.25/src/lib.rs:161:34 [INFO] [stderr] | [INFO] [stderr] 161 | #![cfg_attr(feature = "nightly", feature(pin))] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Compiling base64 v0.10.0 [INFO] [stderr] Compiling bytes v0.4.11 [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: Could not compile `slotmap`. [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 E0554`. [INFO] [stderr] error: Could not compile `futures`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "539710d5ea5ba32175b1145e379d27374f4e4a71592bee36efd607c8bcc18bd8"` [INFO] running `"docker" "rm" "-f" "539710d5ea5ba32175b1145e379d27374f4e4a71592bee36efd607c8bcc18bd8"` [INFO] [stdout] 539710d5ea5ba32175b1145e379d27374f4e4a71592bee36efd607c8bcc18bd8