[INFO] fetching crate avr 0.0.2...
[INFO] checking avr-0.0.2 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate avr 0.0.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate avr 0.0.2 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate avr 0.0.2
[INFO] finished tweaking crates.io crate avr 0.0.2
[INFO] tweaked toml for crates.io crate avr 0.0.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29c71bd7c7c6fd362997e513e0b56fe2fbda2ee24fba28076295d8fbd24770c7
[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" "29c71bd7c7c6fd362997e513e0b56fe2fbda2ee24fba28076295d8fbd24770c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29c71bd7c7c6fd362997e513e0b56fe2fbda2ee24fba28076295d8fbd24770c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29c71bd7c7c6fd362997e513e0b56fe2fbda2ee24fba28076295d8fbd24770c7", kill_on_drop: false }`
[INFO] [stdout] 29c71bd7c7c6fd362997e513e0b56fe2fbda2ee24fba28076295d8fbd24770c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 991ba35f87ad83a15ac142e49fc8b007a0ebe0900ba6bf44229c2a4c8af99448
[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" "991ba35f87ad83a15ac142e49fc8b007a0ebe0900ba6bf44229c2a4c8af99448", kill_on_drop: false }`
[INFO] [stderr]     Checking avr v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/mcu.rs:7:21
[INFO] [stdout]   |
[INFO] [stdout] 7 |     addons: Vec<Box<addons::Addon>>,
[INFO] [stdout]   |                     ^^^^^^^^^^^^^ help: use `dyn`: `dyn addons::Addon`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/mcu.rs:19:41
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn attach(&mut self, addon: Box<addons::Addon>) {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^ help: use `dyn`: `dyn addons::Addon`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]  --> src/sreg.rs:3:28
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub const CARRY_FLAG: u8 = (1<<0);
[INFO] [stdout]   |                            ^^^^^^ help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]  --> src/sreg.rs:4:27
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub const ZERO_FLAG: u8 = (1<<1);
[INFO] [stdout]   |                           ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]  --> src/sreg.rs:5:31
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const NEGATIVE_FLAG: u8 = (1<<2);
[INFO] [stdout]   |                               ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]  --> src/sreg.rs:6:31
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub const OVERFLOW_FLAG: u8 = (1<<3);
[INFO] [stdout]   |                               ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]  --> src/sreg.rs:7:24
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub const S_FLAG: u8 = (1<<4);
[INFO] [stdout]   |                        ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]  --> src/sreg.rs:8:33
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub const HALF_CARRY_FLAG: u8 = (1<<5);
[INFO] [stdout]   |                                 ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]  --> src/sreg.rs:9:31
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub const TRANSFER_FLAG: u8 = (1<<6);
[INFO] [stdout]   |                               ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/sreg.rs:10:32
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub const INTERRUPT_FLAG: u8 = (1<<7);
[INFO] [stdout]    |                                ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/mcu.rs:7:21
[INFO] [stdout]   |
[INFO] [stdout] 7 |     addons: Vec<Box<addons::Addon>>,
[INFO] [stdout]   |                     ^^^^^^^^^^^^^ help: use `dyn`: `dyn addons::Addon`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/mcu.rs:19:41
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn attach(&mut self, addon: Box<addons::Addon>) {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^ help: use `dyn`: `dyn addons::Addon`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]  --> src/sreg.rs:3:28
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub const CARRY_FLAG: u8 = (1<<0);
[INFO] [stdout]   |                            ^^^^^^ help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]  --> src/sreg.rs:4:27
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub const ZERO_FLAG: u8 = (1<<1);
[INFO] [stdout]   |                           ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]  --> src/sreg.rs:5:31
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const NEGATIVE_FLAG: u8 = (1<<2);
[INFO] [stdout]   |                               ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]  --> src/sreg.rs:6:31
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub const OVERFLOW_FLAG: u8 = (1<<3);
[INFO] [stdout]   |                               ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]  --> src/sreg.rs:7:24
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub const S_FLAG: u8 = (1<<4);
[INFO] [stdout]   |                        ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]  --> src/sreg.rs:8:33
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub const HALF_CARRY_FLAG: u8 = (1<<5);
[INFO] [stdout]   |                                 ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]  --> src/sreg.rs:9:31
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub const TRANSFER_FLAG: u8 = (1<<6);
[INFO] [stdout]   |                               ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/sreg.rs:10:32
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub const INTERRUPT_FLAG: u8 = (1<<7);
[INFO] [stdout]    |                                ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "991ba35f87ad83a15ac142e49fc8b007a0ebe0900ba6bf44229c2a4c8af99448", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "991ba35f87ad83a15ac142e49fc8b007a0ebe0900ba6bf44229c2a4c8af99448", kill_on_drop: false }`
[INFO] [stdout] 991ba35f87ad83a15ac142e49fc8b007a0ebe0900ba6bf44229c2a4c8af99448