[INFO] fetching crate tm4c-hal 0.4.2...
[INFO] checking tm4c-hal-0.4.2 against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] extracting crate tm4c-hal 0.4.2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate tm4c-hal 0.4.2
[INFO] finished tweaking crates.io crate tm4c-hal 0.4.2
[INFO] tweaked toml for crates.io crate tm4c-hal 0.4.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tm4c-hal 0.4.2 on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] [stderr]       Adding cast v0.2.7 (available: v0.3.0)
[INFO] [stderr]       Adding embedded-hal v0.2.7 (available: v1.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f09f36c3c1e6295a80f41bad3adc5d59dbe8c771a9a1b2ac1d643eb50dc9f422
[INFO] running `Command { std: "docker" "start" "-a" "f09f36c3c1e6295a80f41bad3adc5d59dbe8c771a9a1b2ac1d643eb50dc9f422", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f09f36c3c1e6295a80f41bad3adc5d59dbe8c771a9a1b2ac1d643eb50dc9f422", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f09f36c3c1e6295a80f41bad3adc5d59dbe8c771a9a1b2ac1d643eb50dc9f422", kill_on_drop: false }`
[INFO] [stdout] f09f36c3c1e6295a80f41bad3adc5d59dbe8c771a9a1b2ac1d643eb50dc9f422
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ab88169706406ca10381cd5c7913a5adb854925e0ea9907bc59203506dc2a0d
[INFO] running `Command { std: "docker" "start" "-a" "2ab88169706406ca10381cd5c7913a5adb854925e0ea9907bc59203506dc2a0d", kill_on_drop: false }`
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking volatile-register v0.2.2
[INFO] [stderr]     Checking tm4c-hal v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `tm4c-hal` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: struct `MonoTimer` is never constructed
[INFO] [stdout]   --> src/time.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub struct MonoTimer {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Instant` is never constructed
[INFO] [stdout]   --> src/time.rs:94:12
[INFO] [stdout]    |
[INFO] [stdout] 94 | pub struct Instant {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `MonoTimer` is never constructed
[INFO] [stdout]   --> src/time.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub struct MonoTimer {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Instant` is never constructed
[INFO] [stdout]   --> src/time.rs:94:12
[INFO] [stdout]    |
[INFO] [stdout] 94 | pub struct Instant {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tm4c-hal` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "2ab88169706406ca10381cd5c7913a5adb854925e0ea9907bc59203506dc2a0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ab88169706406ca10381cd5c7913a5adb854925e0ea9907bc59203506dc2a0d", kill_on_drop: false }`
[INFO] [stdout] 2ab88169706406ca10381cd5c7913a5adb854925e0ea9907bc59203506dc2a0d
