[INFO] fetching crate avr-progmem 0.4.0...
[INFO] checking avr-progmem-0.4.0 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate avr-progmem 0.4.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate avr-progmem 0.4.0 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate avr-progmem 0.4.0
[INFO] finished tweaking crates.io crate avr-progmem 0.4.0
[INFO] tweaked toml for crates.io crate avr-progmem 0.4.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate avr-progmem 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded panic-halt v0.2.0
[INFO] [stderr]   Downloaded ufmt-macros v0.3.0
[INFO] [stderr]   Downloaded avr-device-macros v0.5.2
[INFO] [stderr]   Downloaded ufmt-write v0.1.0
[INFO] [stderr]   Downloaded ufmt v0.2.0
[INFO] [stderr]   Downloaded avr-device v0.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb58515d696e334804fcb7e8f7f6edafa9dc0b81b90c2d01de7616a20f0cb837
[INFO] running `Command { std: "docker" "start" "-a" "cb58515d696e334804fcb7e8f7f6edafa9dc0b81b90c2d01de7616a20f0cb837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb58515d696e334804fcb7e8f7f6edafa9dc0b81b90c2d01de7616a20f0cb837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb58515d696e334804fcb7e8f7f6edafa9dc0b81b90c2d01de7616a20f0cb837", kill_on_drop: false }`
[INFO] [stdout] cb58515d696e334804fcb7e8f7f6edafa9dc0b81b90c2d01de7616a20f0cb837
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66568eb22850f36ec011f474d18c746b3896ac09b036c9318e88b7d879cef8de
[INFO] running `Command { std: "docker" "start" "-a" "66568eb22850f36ec011f474d18c746b3896ac09b036c9318e88b7d879cef8de", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking ufmt-write v0.1.0
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking bare-metal v1.0.0
[INFO] [stderr]     Checking panic-halt v0.2.0
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling ufmt-macros v0.3.0
[INFO] [stderr]    Compiling avr-device-macros v0.5.2
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking ufmt v0.2.0
[INFO] [stderr]     Checking avr-device v0.5.2
[INFO] [stderr]     Checking avr-progmem v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> examples/uno-slices.rs:164:2
[INFO] [stdout]     |
[INFO] [stdout] 160 |       std::process::exit(0);
[INFO] [stdout]     |       --------------------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 164 | /     loop {
[INFO] [stdout] 165 | |         // Done, just do nothing
[INFO] [stdout] 166 | |     }
[INFO] [stdout]     | |_____^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> examples/uno-simple-data.rs:116:2
[INFO] [stdout]     |
[INFO] [stdout] 112 |       std::process::exit(0);
[INFO] [stdout]     |       --------------------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 116 | /     loop {
[INFO] [stdout] 117 | |         // Done, just do nothing
[INFO] [stdout] 118 | |     }
[INFO] [stdout]     | |_____^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> examples/uno-arrays.rs:109:2
[INFO] [stdout]     |
[INFO] [stdout] 105 |       std::process::exit(0);
[INFO] [stdout]     |       --------------------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 109 | /     loop {
[INFO] [stdout] 110 | |         // Done, just do nothing
[INFO] [stdout] 111 | |     }
[INFO] [stdout]     | |_____^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> examples/uno-string.rs:128:2
[INFO] [stdout]     |
[INFO] [stdout] 125 |       std::process::exit(0);
[INFO] [stdout]     |       --------------------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 128 | /     loop {
[INFO] [stdout] 129 | |         // Done, just do nothing
[INFO] [stdout] 130 | |     }
[INFO] [stdout]     | |_____^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `arduino_hal`
[INFO] [stdout]   --> examples/time/mod.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use arduino_hal::clock::Clock;
[INFO] [stdout]    |     ^^^^^^^^^^^ use of undeclared crate or module `arduino_hal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `arduino_hal`
[INFO] [stdout]   --> examples/time/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use arduino_hal::pac::TC0;
[INFO] [stdout]    |     ^^^^^^^^^^^ use of undeclared crate or module `arduino_hal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `arduino_hal`
[INFO] [stdout]    --> examples/time/mod.rs:265:28
[INFO] [stdout]     |
[INFO] [stdout] 265 |     pub fn dismantle(self) -> arduino_hal::pac::TC0 {
[INFO] [stdout]     |                               ^^^^^^^^^^^ use of undeclared crate or module `arduino_hal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `avr_progmem::string::LoadedString`
[INFO] [stdout]   --> examples/uno-timing.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use avr_progmem::string::LoadedString;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ufmt` is imported redundantly
[INFO] [stdout]  --> examples/bench/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use ufmt;
[INFO] [stdout]   |     ^^^^ the item `ufmt` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `bench_black_box` has been stable since 1.66.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> examples/uno-timing.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(bench_black_box)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `avr-progmem` (example "uno-timing") due to 4 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "66568eb22850f36ec011f474d18c746b3896ac09b036c9318e88b7d879cef8de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66568eb22850f36ec011f474d18c746b3896ac09b036c9318e88b7d879cef8de", kill_on_drop: false }`
[INFO] [stdout] 66568eb22850f36ec011f474d18c746b3896ac09b036c9318e88b7d879cef8de
