[INFO] cloning repository https://github.com/rustox/futures-example [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rustox/futures-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustox%2Ffutures-example", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustox%2Ffutures-example'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 07218dd3a2cc5fbcfeb60006fed83b0c677850d7 [INFO] testing rustox/futures-example against 1.60.0 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustox%2Ffutures-example" "/workspace/builds/worker-20/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rustox/futures-example on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/rustox/futures-example [INFO] finished tweaking git repo https://github.com/rustox/futures-example [INFO] tweaked toml for git repo https://github.com/rustox/futures-example written to /workspace/builds/worker-20/source/Cargo.toml [INFO] crate git repo https://github.com/rustox/futures-example already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating git repository `https://github.com/alexcrichton/futures-await` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded futures-sink v0.2.1 [INFO] [stderr] Downloaded futures-core v0.2.1 [INFO] [stderr] Downloaded futures v0.2.1 [INFO] [stderr] Downloaded futures-util v0.2.1 [INFO] [stderr] Downloaded futures-async-runtime v0.2.1 [INFO] [stderr] Downloaded chrono v0.4.3 [INFO] [stderr] Downloaded futures-stable v0.2.1 [INFO] [stderr] Downloaded futures-executor v0.2.1 [INFO] [stderr] Downloaded futures-io v0.2.1 [INFO] [stderr] Downloaded futures-channel v0.2.1 [INFO] [stderr] Downloaded log v0.4.2 [INFO] [stderr] Downloaded syn v0.14.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8d8c0e7b61466d93bf23c3c22ab9822f85c8a605842e931c6ce8ae1d8900b641 [INFO] running `Command { std: "docker" "start" "-a" "8d8c0e7b61466d93bf23c3c22ab9822f85c8a605842e931c6ce8ae1d8900b641", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8d8c0e7b61466d93bf23c3c22ab9822f85c8a605842e931c6ce8ae1d8900b641", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8d8c0e7b61466d93bf23c3c22ab9822f85c8a605842e931c6ce8ae1d8900b641", kill_on_drop: false }` [INFO] [stdout] 8d8c0e7b61466d93bf23c3c22ab9822f85c8a605842e931c6ce8ae1d8900b641 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 54aa6b70031fd0c89312bdc0dc971bf32480da6e447da02580f1f49d2118451e [INFO] running `Command { std: "docker" "start" "-a" "54aa6b70031fd0c89312bdc0dc971bf32480da6e447da02580f1f49d2118451e", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.42 [INFO] [stderr] Compiling cfg-if v0.1.3 [INFO] [stderr] Compiling lazy_static v1.0.1 [INFO] [stderr] Compiling byteorder v1.2.3 [INFO] [stderr] Compiling either v1.5.0 [INFO] [stderr] Compiling nodrop v0.1.12 [INFO] [stderr] Compiling lazycell v0.6.0 [INFO] [stderr] Compiling slab v0.4.0 [INFO] [stderr] Compiling num-traits v0.2.4 [INFO] [stderr] Compiling num-integer v0.1.38 [INFO] [stderr] Compiling scoped-tls v0.1.2 [INFO] [stderr] Compiling futures-await-await-macro v0.1.2 (https://github.com/alexcrichton/futures-await#cd38b747) [INFO] [stderr] Compiling tokio-executor v0.1.2 [INFO] [stderr] Compiling proc-macro2 v0.4.6 [INFO] [stderr] Compiling log v0.4.2 [INFO] [stderr] Compiling crossbeam-utils v0.3.2 [INFO] [stderr] Compiling arrayvec v0.4.7 [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/lib.rs:47:34 [INFO] [stdout] | [INFO] [stdout] 47 | #![cfg_attr(feature = "nightly", feature(proc_macro))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: remove the attribute [INFO] [stdout] | [INFO] [stdout] = help: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling futures-core v0.2.1 [INFO] [stdout] error[E0658]: use of unstable library feature 'proc_macro_span' [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:284:13 [INFO] [stdout] | [INFO] [stdout] 284 | Nightly(proc_macro::SourceFile, FileName), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #54725 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'proc_macro_span' [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:289:20 [INFO] [stdout] | [INFO] [stdout] 289 | fn nightly(sf: proc_macro::SourceFile) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #54725 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling tokio-timer v0.2.4 [INFO] [stdout] error[E0658]: use of unstable library feature 'proc_macro_span' [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:290:45 [INFO] [stdout] | [INFO] [stdout] 290 | let filename = stable::file_name(sf.path().to_string()); [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #54725 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: the method `to_string` exists for struct `PathBuf`, but its trait bounds were not satisfied [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:290:52 [INFO] [stdout] | [INFO] [stdout] 290 | let filename = stable::file_name(sf.path().to_string()); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the following trait bounds were not satisfied: [INFO] [stdout] `PathBuf: std::fmt::Display` [INFO] [stdout] which is required by `PathBuf: ToString` [INFO] [stdout] `Path: std::fmt::Display` [INFO] [stdout] which is required by `Path: ToString` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'proc_macro_span' [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:304:44 [INFO] [stdout] | [INFO] [stdout] 304 | SourceFile::Nightly(a, _) => a.is_real(), [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #54725 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'proc_macro_def_site' [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:347:27 [INFO] [stdout] | [INFO] [stdout] 347 | Span::Nightly(proc_macro::Span::def_site()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #54724 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'proc_macro_span' [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:424:55 [INFO] [stdout] | [INFO] [stdout] 424 | (Span::Nightly(a), Span::Nightly(b)) => a.eq(b), [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #54725 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 8 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0554, E0599, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `proc-macro2` due to 9 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "54aa6b70031fd0c89312bdc0dc971bf32480da6e447da02580f1f49d2118451e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "54aa6b70031fd0c89312bdc0dc971bf32480da6e447da02580f1f49d2118451e", kill_on_drop: false }` [INFO] [stdout] 54aa6b70031fd0c89312bdc0dc971bf32480da6e447da02580f1f49d2118451e