[INFO] updating cached repository https://github.com/alex/ct-tools [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] [stderr] From https://github.com/alex/ct-tools [INFO] [stderr] * [new branch] dependabot/cargo/synstructure-0.12.2 -> dependabot/cargo/synstructure-0.12.2 [INFO] [stderr] a02b336..3a9ef3d master -> master [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 3a9ef3d4646c1b987d2e4c1b5dd41038a884ff06 [INFO] checking alex/ct-tools against try#5e633973aa9255a88b65a39484627bb54e6044b3 for pr-66063 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falex%2Fct-tools" "/workspace/builds/worker-11/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/alex/ct-tools on toolchain 5e633973aa9255a88b65a39484627bb54e6044b3 [INFO] running `"/workspace/cargo-home/bin/cargo" "+5e633973aa9255a88b65a39484627bb54e6044b3" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/alex/ct-tools [INFO] finished tweaking git repo https://github.com/alex/ct-tools [INFO] tweaked toml for git repo https://github.com/alex/ct-tools written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate git repo https://github.com/alex/ct-tools already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+5e633973aa9255a88b65a39484627bb54e6044b3" "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 `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+5e633973aa9255a88b65a39484627bb54e6044b3" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] fd48d318fd7e7a0287aa238ea08e8e6280490562004a852c9de8c117e29f9cc2 [INFO] running `"docker" "start" "-a" "fd48d318fd7e7a0287aa238ea08e8e6280490562004a852c9de8c117e29f9cc2"` [INFO] [stderr] Checking base64 v0.11.0 [INFO] [stderr] Compiling ring v0.16.9 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking term v0.5.1 [INFO] [stderr] Checking futures-util-preview v0.3.0-alpha.19 [INFO] [stderr] Checking openssl v0.10.25 [INFO] [stderr] Compiling serde_derive v1.0.102 [INFO] [stderr] Checking regex v1.3.1 [INFO] [stderr] Compiling pest_generator v2.1.1 [INFO] [stderr] Compiling proc-macro-error v0.2.6 [INFO] [stderr] Checking tracing v0.1.10 [INFO] [stderr] Checking http-body v0.2.0-alpha.3 [INFO] [stderr] Checking tokio-io v0.2.0-alpha.6 [INFO] [stderr] Checking tokio-reactor v0.1.10 [INFO] [stderr] Checking failure v0.1.6 [INFO] [stderr] Checking tokio-threadpool v0.1.16 [INFO] [stderr] Compiling structopt-derive v0.3.3 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking tokio-codec v0.2.0-alpha.6 [INFO] [stderr] Checking tower-make v0.3.0-alpha.2a [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Checking publicsuffix v1.5.3 [INFO] [stderr] Checking pem v0.7.0 [INFO] [stderr] Checking hyper v0.12.35 [INFO] [stderr] Checking native-tls v0.2.3 [INFO] [stderr] Checking sct v0.6.0 [INFO] [stderr] Checking webpki v0.21.0 [INFO] [stderr] Checking ct-logs v0.6.0 [INFO] [stderr] Checking rustls v0.16.0 [INFO] [stderr] Checking webpki-roots v0.17.0 [INFO] [stderr] Checking tokio-sync v0.2.0-alpha.6 [INFO] [stderr] Checking futures-executor-preview v0.3.0-alpha.19 [INFO] [stderr] Checking structopt v0.3.3 [INFO] [stderr] Checking futures-preview v0.3.0-alpha.19 [INFO] [stderr] Checking tokio-executor v0.2.0-alpha.6 [INFO] [stderr] Checking h2 v0.2.0-alpha.3 [INFO] [stderr] Checking hyper-tls v0.3.2 [INFO] [stderr] Checking tokio-rustls v0.12.0-alpha.5 [INFO] [stderr] Checking tokio-timer v0.3.0-alpha.6 [INFO] [stderr] Checking tokio-fs v0.2.0-alpha.6 [INFO] [stderr] Checking tokio-net v0.2.0-alpha.6 [INFO] [stderr] Checking serde v1.0.102 [INFO] [stderr] Checking tokio v0.2.0-alpha.6 [INFO] [stderr] Checking hyper v0.13.0-alpha.4 [INFO] [stderr] Checking serde_json v1.0.41 [INFO] [stderr] Checking serde_urlencoded v0.5.5 [INFO] [stderr] Checking bstr v0.2.8 [INFO] [stderr] Checking csv v1.1.1 [INFO] [stderr] Checking hyper-rustls v0.18.0-alpha.2 [INFO] [stderr] Checking cookie_store v0.7.0 [INFO] [stderr] Checking tera v0.11.20 [INFO] [stderr] Checking prettytable-rs v0.8.0 [INFO] [stderr] Checking reqwest v0.9.22 [INFO] [stderr] Checking acme-client v0.5.3 (https://github.com/alex/letsencrypt-rs?branch=bump-reqwest-hyper#be4a8b0f) [INFO] [stderr] Checking ct-tools v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/lib.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(async_closure)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/lib.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(async_closure)] [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 E0554`. [INFO] [stderr] error: could not compile `ct-tools`. [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 `ct-tools`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "fd48d318fd7e7a0287aa238ea08e8e6280490562004a852c9de8c117e29f9cc2"` [INFO] running `"docker" "rm" "-f" "fd48d318fd7e7a0287aa238ea08e8e6280490562004a852c9de8c117e29f9cc2"` [INFO] [stdout] fd48d318fd7e7a0287aa238ea08e8e6280490562004a852c9de8c117e29f9cc2