[INFO] fetching crate twirl 0.1.1... [INFO] testing twirl-0.1.1 against 1.49.0 for beta-1.50-1 [INFO] extracting crate twirl 0.1.1 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate twirl 0.1.1 on toolchain 1.49.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate twirl 0.1.1 [INFO] finished tweaking crates.io crate twirl 0.1.1 [INFO] tweaked toml for crates.io crate twirl 0.1.1 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ae062538830700f6896e865fd50a59a4f97a10f0db8f39df09eca15793933e15 [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" "ae062538830700f6896e865fd50a59a4f97a10f0db8f39df09eca15793933e15", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ae062538830700f6896e865fd50a59a4f97a10f0db8f39df09eca15793933e15", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ae062538830700f6896e865fd50a59a4f97a10f0db8f39df09eca15793933e15", kill_on_drop: false }` [INFO] [stdout] ae062538830700f6896e865fd50a59a4f97a10f0db8f39df09eca15793933e15 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b55c3fe889f3167b6e77b691cb9fc02a1a89a657fe78d071ec8ba1c4d546c092 [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" "b55c3fe889f3167b6e77b691cb9fc02a1a89a657fe78d071ec8ba1c4d546c092", kill_on_drop: false }` [INFO] [stderr] Compiling futures-io-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling serde v0.8.23 [INFO] [stderr] Compiling tower-service v0.3.0-alpha.2 [INFO] [stderr] Compiling log-mdc v0.1.0 [INFO] [stderr] Compiling arc-swap v0.3.11 [INFO] [stderr] Compiling simple-error v0.2.2 [INFO] [stderr] Compiling thread-id v3.3.0 [INFO] [stderr] Compiling rand v0.5.6 [INFO] [stderr] Compiling serde_yaml v0.8.15 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling openssl-sys v0.9.60 [INFO] [stderr] Compiling threadpool v1.8.1 [INFO] [stderr] Compiling nom v3.2.1 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling want v0.3.0 [INFO] [stderr] Compiling pin-project-internal v0.4.27 [INFO] [stderr] Compiling tokio-macros v0.2.0-alpha.6 [INFO] [stderr] Compiling serde-value v0.5.3 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling tracing v0.1.22 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling futures-util-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling mio-uds v0.6.8 [INFO] [stderr] Compiling mio-extras v2.0.6 [INFO] [stderr] Compiling openssl v0.10.32 [INFO] [stderr] Compiling http v0.1.21 [INFO] [stderr] Compiling string v0.2.1 [INFO] [stderr] Compiling log4rs v0.8.3 [INFO] [stderr] Compiling serde_test v0.8.23 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling linked-hash-map v0.3.0 [INFO] [stderr] Compiling ffi-support v0.3.5 [INFO] [stderr] Compiling serde-hjson v0.8.2 [INFO] [stderr] Compiling pin-project v0.4.27 [INFO] [stderr] Compiling tokio-sync v0.2.0-alpha.6 [INFO] [stderr] Compiling futures-executor-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling tokio-io v0.2.0-alpha.6 [INFO] [stderr] Compiling http-body v0.2.0-alpha.3 [INFO] [stderr] Compiling futures-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling native-tls v0.2.7 [INFO] [stderr] Compiling tokio-executor v0.2.0-alpha.6 [INFO] [stderr] Compiling config v0.8.0 [INFO] [stderr] Compiling tokio-codec v0.2.0-alpha.6 [INFO] [stderr] Compiling tower-make v0.3.0-alpha.2a [INFO] [stderr] Compiling tokio-tls v0.3.0-alpha.6 [INFO] [stderr] Compiling connect v0.1.1 [INFO] [stderr] Compiling h2 v0.2.0-alpha.3 [INFO] [stderr] Compiling tokio-timer v0.3.0-alpha.6 [INFO] [stderr] Compiling tokio-net v0.2.0-alpha.6 [INFO] [stderr] Compiling tokio-fs v0.2.0-alpha.6 [INFO] [stderr] Compiling tokio v0.2.0-alpha.6 [INFO] [stderr] Compiling hyper v0.13.0-alpha.4 [INFO] [stderr] Compiling hyper-tls v0.4.0-alpha.4 [INFO] [stderr] Compiling twirl v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(in_band_lifetimes)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/api/api_call.rs:166:9 [INFO] [stdout] | [INFO] [stdout] 166 | Error::description(self).fmt(f) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/auth/auth_provider.rs:177:9 [INFO] [stdout] | [INFO] [stdout] 177 | Error::description(self).fmt(f) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `twirl` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "b55c3fe889f3167b6e77b691cb9fc02a1a89a657fe78d071ec8ba1c4d546c092", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b55c3fe889f3167b6e77b691cb9fc02a1a89a657fe78d071ec8ba1c4d546c092", kill_on_drop: false }` [INFO] [stdout] b55c3fe889f3167b6e77b691cb9fc02a1a89a657fe78d071ec8ba1c4d546c092