[INFO] fetching crate flem 0.6.2...
[INFO] checking flem-0.6.2 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate flem 0.6.2 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate flem 0.6.2 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] started tweaking crates.io crate flem 0.6.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate flem 0.6.2
[INFO] tweaked toml for crates.io crate flem 0.6.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate flem 0.6.2 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]  Downloading crates ...
[INFO] [stderr]   Downloaded critical-section v1.1.1
[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] 6637b6367e197c97ded09d941bf1e7595e22710658928d119399c7b6a5865fee
[INFO] running `Command { std: "docker" "start" "-a" "6637b6367e197c97ded09d941bf1e7595e22710658928d119399c7b6a5865fee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6637b6367e197c97ded09d941bf1e7595e22710658928d119399c7b6a5865fee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6637b6367e197c97ded09d941bf1e7595e22710658928d119399c7b6a5865fee", kill_on_drop: false }`
[INFO] [stdout] 6637b6367e197c97ded09d941bf1e7595e22710658928d119399c7b6a5865fee
[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] b4c38671828d667314a3f6c94aea892b94ae7ab73e3527d7cedad77e143c555b
[INFO] running `Command { std: "docker" "start" "-a" "b4c38671828d667314a3f6c94aea892b94ae7ab73e3527d7cedad77e143c555b", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking flem v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling heapless v0.7.16
[INFO] [stdout] warning: the item `flem` is imported redundantly
[INFO] [stdout]  --> examples/example.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use flem;
[INFO] [stdout]   |     ^^^^ the item `flem` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `flem` is imported redundantly
[INFO] [stdout]  --> examples/encode_decode.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use flem;
[INFO] [stdout]   |     ^^^^ the item `flem` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]  --> examples/example.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `FromIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `flem::traits::Channel`
[INFO] [stdout]   --> examples/software_host_simple.rs:4:5
[INFO] [stdout]    |
[INFO] [stdout] 4  |     traits::Channel
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^ no `Channel` in `traits`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/workdir/src/traits.rs:27:11
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub trait Channel<const T: usize>: Sized {
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    = note: the item is gated behind the `std` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `flem::traits::Channel`
[INFO] [stdout]   --> examples/software_host_complex.rs:1:12
[INFO] [stdout]    |
[INFO] [stdout] 1  | use flem::{traits::Channel, DataId, Packet};
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^ no `Channel` in `traits`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/workdir/src/traits.rs:27:11
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub trait Channel<const T: usize>: Sized {
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    = note: the item is gated behind the `std` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `flem` (example "software_host_complex") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `flem` (example "software_host_simple") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "b4c38671828d667314a3f6c94aea892b94ae7ab73e3527d7cedad77e143c555b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4c38671828d667314a3f6c94aea892b94ae7ab73e3527d7cedad77e143c555b", kill_on_drop: false }`
[INFO] [stdout] b4c38671828d667314a3f6c94aea892b94ae7ab73e3527d7cedad77e143c555b
[INFO] checking flem-0.6.2 against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[INFO] extracting crate flem 0.6.2 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate flem 0.6.2 on toolchain bfe97fcae016881ad333f0ff8cea2cadb9cf136c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flem 0.6.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate flem 0.6.2
[INFO] tweaked toml for crates.io crate flem 0.6.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate flem 0.6.2 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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e719626c4035f57814affbf80fe0cb0b6f9ca8cab47e0ad1c9102381182615a7
[INFO] running `Command { std: "docker" "start" "-a" "e719626c4035f57814affbf80fe0cb0b6f9ca8cab47e0ad1c9102381182615a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e719626c4035f57814affbf80fe0cb0b6f9ca8cab47e0ad1c9102381182615a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e719626c4035f57814affbf80fe0cb0b6f9ca8cab47e0ad1c9102381182615a7", kill_on_drop: false }`
[INFO] [stdout] e719626c4035f57814affbf80fe0cb0b6f9ca8cab47e0ad1c9102381182615a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7fbfb8a1b58416e877419c93626110206f97f19f92586a97b3ee7e5df3ca7c56
[INFO] running `Command { std: "docker" "start" "-a" "7fbfb8a1b58416e877419c93626110206f97f19f92586a97b3ee7e5df3ca7c56", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking flem v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling heapless v0.7.16
[INFO] [stdout] warning: the item `flem` is imported redundantly
[INFO] [stdout]  --> examples/example.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use flem;
[INFO] [stdout]   |     ^^^^ the item `flem` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]  --> examples/example.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `FromIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `flem` is imported redundantly
[INFO] [stdout]  --> examples/encode_decode.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use flem;
[INFO] [stdout]   |     ^^^^ the item `flem` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `flem::traits::Channel`
[INFO] [stdout]   --> examples/software_host_simple.rs:4:5
[INFO] [stdout]    |
[INFO] [stdout] 4  |     traits::Channel
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^ no `Channel` in `traits`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/workdir/src/traits.rs:27:11
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub trait Channel<const T: usize>: Sized {
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    = note: the item is gated behind the `std` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `flem::traits::Channel`
[INFO] [stdout]   --> examples/software_host_complex.rs:1:12
[INFO] [stdout]    |
[INFO] [stdout] 1  | use flem::{traits::Channel, DataId, Packet};
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^ no `Channel` in `traits`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/workdir/src/traits.rs:27:11
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub trait Channel<const T: usize>: Sized {
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    = note: the item is gated behind the `std` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `flem` (example "software_host_simple") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `flem` (example "software_host_complex") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "7fbfb8a1b58416e877419c93626110206f97f19f92586a97b3ee7e5df3ca7c56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fbfb8a1b58416e877419c93626110206f97f19f92586a97b3ee7e5df3ca7c56", kill_on_drop: false }`
[INFO] [stdout] 7fbfb8a1b58416e877419c93626110206f97f19f92586a97b3ee7e5df3ca7c56
