[INFO] fetching crate async-gcode 0.2.0... [INFO] checking async-gcode-0.2.0 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] extracting crate async-gcode 0.2.0 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate async-gcode 0.2.0 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate async-gcode 0.2.0 [INFO] finished tweaking crates.io crate async-gcode 0.2.0 [INFO] tweaked toml for crates.io crate async-gcode 0.2.0 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate crates.io crate async-gcode 0.2.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2ec85cae07796b368f323b199109b9ad13569a796fc567718465584251ce2afa [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" "2ec85cae07796b368f323b199109b9ad13569a796fc567718465584251ce2afa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2ec85cae07796b368f323b199109b9ad13569a796fc567718465584251ce2afa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2ec85cae07796b368f323b199109b9ad13569a796fc567718465584251ce2afa", kill_on_drop: false }` [INFO] [stdout] 2ec85cae07796b368f323b199109b9ad13569a796fc567718465584251ce2afa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 290368b04bde1e695f648530ff3f0a71a81103ad3e49f7416561307ee939fd0d [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" "290368b04bde1e695f648530ff3f0a71a81103ad3e49f7416561307ee939fd0d", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo. [INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously. [INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html [INFO] [stderr] When building the following dependencies, the given features will no longer be used: [INFO] [stderr] [INFO] [stderr] futures-core v0.3.5: alloc, std [INFO] [stderr] futures-task v0.3.5: alloc, once_cell, std [INFO] [stderr] futures-util v0.3.5: alloc, slab, std [INFO] [stderr] [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling syn v1.0.38 [INFO] [stderr] Compiling pin-project-internal v0.4.23 [INFO] [stderr] Checking futures-core v0.3.5 [INFO] [stderr] Checking once_cell v1.4.0 [INFO] [stderr] Checking futures-sink v0.3.5 [INFO] [stderr] Checking futures-io v0.3.5 [INFO] [stderr] Checking either v1.6.0 [INFO] [stderr] Checking pin-project-lite v0.1.7 [INFO] [stderr] Checking futures-channel v0.3.5 [INFO] [stderr] Checking futures-task v0.3.5 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking pin-project v0.4.23 [INFO] [stderr] Checking futures-util v0.3.5 [INFO] [stderr] Checking futures v0.3.5 [INFO] [stderr] Checking futures-executor v0.3.5 [INFO] [stderr] Checking async-gcode v0.2.0 (/tmp/fixit) [INFO] [stderr] Migrating src/lib.rs from 2018 edition to 2021 [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/stream.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 41 | / pin_project! { [INFO] [stdout] 42 | | pub(crate) struct PushBack { [INFO] [stdout] 43 | | #[pin] [INFO] [stdout] 44 | | stream: S, [INFO] [stdout] 45 | | val: Option, [INFO] [stdout] 46 | | } [INFO] [stdout] 47 | | } [INFO] [stdout] | |_____^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this warning originates in the macro `$crate::__pin_project_internal` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/stream.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 41 | / pin_project! { [INFO] [stdout] 42 | | pub(crate) struct PushBack { [INFO] [stdout] 43 | | #[pin] [INFO] [stdout] 44 | | stream: S, [INFO] [stdout] 45 | | val: Option, [INFO] [stdout] 46 | | } [INFO] [stdout] 47 | | } [INFO] [stdout] | |_____^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `$crate::__pin_project_internal` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Migrating examples/cli.rs from 2018 edition to 2021 [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/stream.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 41 | / pin_project! { [INFO] [stdout] 42 | | pub(crate) struct PushBack { [INFO] [stdout] 43 | | #[pin] [INFO] [stdout] 44 | | stream: S, [INFO] [stdout] 45 | | val: Option, [INFO] [stdout] 46 | | } [INFO] [stdout] 47 | | } [INFO] [stdout] | |_____^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this warning originates in the macro `$crate::__pin_project_internal` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/stream.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 41 | / pin_project! { [INFO] [stdout] 42 | | pub(crate) struct PushBack { [INFO] [stdout] 43 | | #[pin] [INFO] [stdout] 44 | | stream: S, [INFO] [stdout] 45 | | val: Option, [INFO] [stdout] 46 | | } [INFO] [stdout] 47 | | } [INFO] [stdout] | |_____^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `$crate::__pin_project_internal` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 19.06s [INFO] [stderr] Running `cargo check` to verify 2021 [INFO] [stderr] Checking async-gcode v0.2.0 (/tmp/fixit) [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/stream.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 41 | / pin_project! { [INFO] [stdout] 42 | | pub(crate) struct PushBack { [INFO] [stdout] 43 | | #[pin] [INFO] [stdout] 44 | | stream: S, [INFO] [stdout] 45 | | val: Option, [INFO] [stdout] 46 | | } [INFO] [stdout] 47 | | } [INFO] [stdout] | |_____^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this warning originates in the macro `$crate::__pin_project_internal` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/stream.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 41 | / pin_project! { [INFO] [stdout] 42 | | pub(crate) struct PushBack { [INFO] [stdout] 43 | | #[pin] [INFO] [stdout] 44 | | stream: S, [INFO] [stdout] 45 | | val: Option, [INFO] [stdout] 46 | | } [INFO] [stdout] 47 | | } [INFO] [stdout] | |_____^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `$crate::__pin_project_internal` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/stream.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 41 | / pin_project! { [INFO] [stdout] 42 | | pub(crate) struct PushBack { [INFO] [stdout] 43 | | #[pin] [INFO] [stdout] 44 | | stream: S, [INFO] [stdout] 45 | | val: Option, [INFO] [stdout] 46 | | } [INFO] [stdout] 47 | | } [INFO] [stdout] | |_____^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this warning originates in the macro `$crate::__pin_project_internal` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/stream.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 41 | / pin_project! { [INFO] [stdout] 42 | | pub(crate) struct PushBack { [INFO] [stdout] 43 | | #[pin] [INFO] [stdout] 44 | | stream: S, [INFO] [stdout] 45 | | val: Option, [INFO] [stdout] 46 | | } [INFO] [stdout] 47 | | } [INFO] [stdout] | |_____^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `$crate::__pin_project_internal` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.50s [INFO] running `Command { std: "docker" "inspect" "290368b04bde1e695f648530ff3f0a71a81103ad3e49f7416561307ee939fd0d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "290368b04bde1e695f648530ff3f0a71a81103ad3e49f7416561307ee939fd0d", kill_on_drop: false }` [INFO] [stdout] 290368b04bde1e695f648530ff3f0a71a81103ad3e49f7416561307ee939fd0d