[INFO] fetching crate mlo-chacha20-rs 0.1.2... [INFO] checking mlo-chacha20-rs-0.1.2 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3 [INFO] extracting crate mlo-chacha20-rs 0.1.2 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate mlo-chacha20-rs 0.1.2 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate mlo-chacha20-rs 0.1.2 [INFO] finished tweaking crates.io crate mlo-chacha20-rs 0.1.2 [INFO] tweaked toml for crates.io crate mlo-chacha20-rs 0.1.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f6dbda85a2fa0562d6c521f43c5a7ddd7c918196328192346ee904d284c7f71a [INFO] running `Command { std: "docker" "start" "-a" "f6dbda85a2fa0562d6c521f43c5a7ddd7c918196328192346ee904d284c7f71a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f6dbda85a2fa0562d6c521f43c5a7ddd7c918196328192346ee904d284c7f71a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f6dbda85a2fa0562d6c521f43c5a7ddd7c918196328192346ee904d284c7f71a", kill_on_drop: false }` [INFO] [stdout] f6dbda85a2fa0562d6c521f43c5a7ddd7c918196328192346ee904d284c7f71a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] aa8861d7db0eecbca6a8ff47cb5b5dfae36553766b64bf65082fb5638013f817 [INFO] running `Command { std: "docker" "start" "-a" "aa8861d7db0eecbca6a8ff47cb5b5dfae36553766b64bf65082fb5638013f817", kill_on_drop: false }` [INFO] [stderr] Checking mlo-chacha20-rs v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl` [INFO] [stdout] --> src/lib.rs:12:1 [INFO] [stdout] | [INFO] [stdout] 12 | / fn panic(_info: &PanicInfo) -> ! { [INFO] [stdout] 13 | | [INFO] [stdout] 14 | | // The panic handler might send a signal to the process. [INFO] [stdout] 15 | | unsafe { [INFO] [stdout] ... | [INFO] [stdout] 20 | | [INFO] [stdout] 21 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: the lang item is first defined in crate `std` (which `test` depends on) [INFO] [stdout] = note: first definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/af4a5a13a15fa0c60e06321077ef452f769b42fd/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-eb900a948ffb2e3b.rlib [INFO] [stdout] = note: second definition in the local crate (`mlo_chacha20_rs`) [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 E0152`. [INFO] [stdout] [INFO] [stderr] error: could not compile `mlo-chacha20-rs` (lib test) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement [INFO] [stdout] --> src/lib.rs:409:18 [INFO] [stdout] | [INFO] [stdout] 409 | for c in iterator.next() { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(for_loops_over_fallibles)]` on by default [INFO] [stdout] help: to iterate over `iterator` remove the call to `next` [INFO] [stdout] | [INFO] [stdout] 409 | for c in iterator.by_ref() { [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] help: consider using `if let` to clear intent [INFO] [stdout] | [INFO] [stdout] 409 | if let Some(c) = iterator.next() { [INFO] [stdout] | ~~~~~~~~~~~~ ~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement [INFO] [stdout] --> src/lib.rs:590:14 [INFO] [stdout] | [INFO] [stdout] 590 | for c in iter.next() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: to iterate over `iter` remove the call to `next` [INFO] [stdout] | [INFO] [stdout] 590 | for c in iter.by_ref() { [INFO] [stdout] | ~~~~~~~~~ [INFO] [stdout] help: consider using `if let` to clear intent [INFO] [stdout] | [INFO] [stdout] 590 | if let Some(c) = iter.next() { [INFO] [stdout] | ~~~~~~~~~~~~ ~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "aa8861d7db0eecbca6a8ff47cb5b5dfae36553766b64bf65082fb5638013f817", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aa8861d7db0eecbca6a8ff47cb5b5dfae36553766b64bf65082fb5638013f817", kill_on_drop: false }` [INFO] [stdout] aa8861d7db0eecbca6a8ff47cb5b5dfae36553766b64bf65082fb5638013f817 [INFO] checking mlo-chacha20-rs-0.1.2 against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-3 [INFO] extracting crate mlo-chacha20-rs 0.1.2 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate mlo-chacha20-rs 0.1.2 on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate mlo-chacha20-rs 0.1.2 [INFO] finished tweaking crates.io crate mlo-chacha20-rs 0.1.2 [INFO] tweaked toml for crates.io crate mlo-chacha20-rs 0.1.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0f91fdafd23c2e491a06d66d2a0c2d222ee47692347c316ff8787f6aa92e036b [INFO] running `Command { std: "docker" "start" "-a" "0f91fdafd23c2e491a06d66d2a0c2d222ee47692347c316ff8787f6aa92e036b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0f91fdafd23c2e491a06d66d2a0c2d222ee47692347c316ff8787f6aa92e036b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0f91fdafd23c2e491a06d66d2a0c2d222ee47692347c316ff8787f6aa92e036b", kill_on_drop: false }` [INFO] [stdout] 0f91fdafd23c2e491a06d66d2a0c2d222ee47692347c316ff8787f6aa92e036b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1e970e9e6ee36822cd6e943c42f60715686db7244a4dc5e39baf20485c25ee3a [INFO] running `Command { std: "docker" "start" "-a" "1e970e9e6ee36822cd6e943c42f60715686db7244a4dc5e39baf20485c25ee3a", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] skipping non-2021 edition `2018` [INFO] running `Command { std: "docker" "inspect" "1e970e9e6ee36822cd6e943c42f60715686db7244a4dc5e39baf20485c25ee3a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1e970e9e6ee36822cd6e943c42f60715686db7244a4dc5e39baf20485c25ee3a", kill_on_drop: false }` [INFO] [stdout] 1e970e9e6ee36822cd6e943c42f60715686db7244a4dc5e39baf20485c25ee3a