[INFO] fetching crate intercom 0.3.0... [INFO] checking intercom-0.3.0 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] extracting crate intercom 0.3.0 into /workspace/builds/worker-12/source [INFO] validating manifest of crates.io crate intercom 0.3.0 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate intercom 0.3.0 [INFO] finished tweaking crates.io crate intercom 0.3.0 [INFO] tweaked toml for crates.io crate intercom 0.3.0 written to /workspace/builds/worker-12/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded intercom-attributes v0.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5946ac2c33e8f282fbcc5a2c3d07b03271ea4895ef93ab32bc568ef8b2589cf4 [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" "5946ac2c33e8f282fbcc5a2c3d07b03271ea4895ef93ab32bc568ef8b2589cf4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5946ac2c33e8f282fbcc5a2c3d07b03271ea4895ef93ab32bc568ef8b2589cf4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5946ac2c33e8f282fbcc5a2c3d07b03271ea4895ef93ab32bc568ef8b2589cf4", kill_on_drop: false }` [INFO] [stdout] 5946ac2c33e8f282fbcc5a2c3d07b03271ea4895ef93ab32bc568ef8b2589cf4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 04a62ef1a9f4f2cec8d170429b9b3b55c14e52a1a88b25cb97e5180482775142 [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" "04a62ef1a9f4f2cec8d170429b9b3b55c14e52a1a88b25cb97e5180482775142", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling adler v1.0.2 [INFO] [stderr] Compiling itoa v0.4.7 [INFO] [stderr] Compiling pest v0.3.3 [INFO] [stderr] Compiling lazy_static v0.2.11 [INFO] [stderr] Compiling sha1 v0.3.0 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling serde v1.0.124 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling aho-corasick v0.6.10 [INFO] [stderr] Compiling backtrace v0.3.56 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Compiling toml v0.4.10 [INFO] [stderr] Compiling handlebars v0.29.1 [INFO] [stderr] Compiling intercom-common v0.3.0 [INFO] [stderr] Compiling intercom-attributes v0.3.0 [INFO] [stderr] Checking intercom v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:49:12 [INFO] [stdout] | [INFO] [stdout] 49 | #![feature(specialization, non_exhaustive, integer_atomics)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/combox.rs:196:9 [INFO] [stdout] | [INFO] [stdout] 196 | ( previous_value + 1 ) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:49:12 [INFO] [stdout] | [INFO] [stdout] 49 | #![feature(specialization, non_exhaustive, integer_atomics)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/combox.rs:196:9 [INFO] [stdout] | [INFO] [stdout] 196 | ( previous_value + 1 ) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` 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/error.rs:111:34 [INFO] [stdout] | [INFO] [stdout] 111 | }.with_message( io_error.description().to_owned() ) [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/error.rs:111:34 [INFO] [stdout] | [INFO] [stdout] 111 | }.with_message( io_error.description().to_owned() ) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `non_exhaustive` has been stable since 1.40.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:49:28 [INFO] [stdout] | [INFO] [stdout] 49 | #![feature(specialization, non_exhaustive, integer_atomics)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `non_exhaustive` has been stable since 1.40.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:49:28 [INFO] [stdout] | [INFO] [stdout] 49 | #![feature(specialization, non_exhaustive, integer_atomics)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 51.58s [INFO] running `Command { std: "docker" "inspect" "04a62ef1a9f4f2cec8d170429b9b3b55c14e52a1a88b25cb97e5180482775142", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "04a62ef1a9f4f2cec8d170429b9b3b55c14e52a1a88b25cb97e5180482775142", kill_on_drop: false }` [INFO] [stdout] 04a62ef1a9f4f2cec8d170429b9b3b55c14e52a1a88b25cb97e5180482775142