[INFO] fetching crate mmio-api 0.2.1...
[INFO] testing mmio-api-0.2.1 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate mmio-api 0.2.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate mmio-api 0.2.1
[INFO] finished tweaking crates.io crate mmio-api 0.2.1
[INFO] tweaked toml for crates.io crate mmio-api 0.2.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mmio-api 0.2.1 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mmio-api 0.2.1 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 01b2444ab4fbc83b49ed2752d42e29967f7e4a0cabaaf109db81d5163f3859ba
[INFO] running `Command { std: "docker" "start" "-a" "01b2444ab4fbc83b49ed2752d42e29967f7e4a0cabaaf109db81d5163f3859ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01b2444ab4fbc83b49ed2752d42e29967f7e4a0cabaaf109db81d5163f3859ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01b2444ab4fbc83b49ed2752d42e29967f7e4a0cabaaf109db81d5163f3859ba", kill_on_drop: false }`
[INFO] [stdout] 01b2444ab4fbc83b49ed2752d42e29967f7e4a0cabaaf109db81d5163f3859ba
[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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f11f50aede276965778af483474a16df043c7075344056919bb066bbb2f897b
[INFO] running `Command { std: "docker" "start" "-a" "4f11f50aede276965778af483474a16df043c7075344056919bb066bbb2f897b", kill_on_drop: false }`
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling derive_more-impl v2.1.1
[INFO] [stderr]    Compiling derive_more v2.1.1
[INFO] [stderr]    Compiling mmio-api v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.59s
[INFO] running `Command { std: "docker" "inspect" "4f11f50aede276965778af483474a16df043c7075344056919bb066bbb2f897b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f11f50aede276965778af483474a16df043c7075344056919bb066bbb2f897b", kill_on_drop: false }`
[INFO] [stdout] 4f11f50aede276965778af483474a16df043c7075344056919bb066bbb2f897b
[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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36032ceac314a9c2df91b743b7264b7b8a1b081032d37e942bd0317e46e3531f
[INFO] running `Command { std: "docker" "start" "-a" "36032ceac314a9c2df91b743b7264b7b8a1b081032d37e942bd0317e46e3531f", kill_on_drop: false }`
[INFO] [stderr]    Compiling mmio-api v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find type `Error` in module `super`
[INFO] [stdout]    --> src/lib.rs:173:89
[INFO] [stdout]     |
[INFO] [stdout] 173 |         fn ioremap(&self, addr: super::MmioAddr, size: usize) -> Result<MmioRaw, super::Error> {
[INFO] [stdout]     |                                                                                         ^^^^^ not found in `super`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 169 +     use std::error::Error;
[INFO] [stdout]     |
[INFO] [stdout] 169 +     use std::fmt::Error;
[INFO] [stdout]     |
[INFO] [stdout] 169 +     use std::io::Error;
[INFO] [stdout]     |
[INFO] [stdout] 169 +     use core::error::Error;
[INFO] [stdout]     |
[INFO] [stdout]     = and 2 other candidates
[INFO] [stdout] help: if you import `Error`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 173 -         fn ioremap(&self, addr: super::MmioAddr, size: usize) -> Result<MmioRaw, super::Error> {
[INFO] [stdout] 173 +         fn ioremap(&self, addr: super::MmioAddr, size: usize) -> Result<MmioRaw, Error> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mmio-api` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "36032ceac314a9c2df91b743b7264b7b8a1b081032d37e942bd0317e46e3531f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36032ceac314a9c2df91b743b7264b7b8a1b081032d37e942bd0317e46e3531f", kill_on_drop: false }`
[INFO] [stdout] 36032ceac314a9c2df91b743b7264b7b8a1b081032d37e942bd0317e46e3531f