[INFO] fetching crate errata 2.1.1...
[INFO] checking errata-2.1.1 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate errata 2.1.1 into /workspace/builds/worker-0-tc2/source
[INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain
[INFO] started tweaking crates.io crate errata 2.1.1
[INFO] finished tweaking crates.io crate errata 2.1.1
[INFO] tweaked toml for crates.io crate errata 2.1.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate errata 2.1.1 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate errata 2.1.1 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a77c43e190db1270fe23133add2827838dea9a160803a3a057bc2b68983e69e
[INFO] running `Command { std: "docker" "start" "-a" "8a77c43e190db1270fe23133add2827838dea9a160803a3a057bc2b68983e69e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a77c43e190db1270fe23133add2827838dea9a160803a3a057bc2b68983e69e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a77c43e190db1270fe23133add2827838dea9a160803a3a057bc2b68983e69e", kill_on_drop: false }`
[INFO] [stdout] 8a77c43e190db1270fe23133add2827838dea9a160803a3a057bc2b68983e69e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa0f618e221c7b0832367ac2a5f8403d0154f6e9cfb05f6836a95906bb49065e
[INFO] running `Command { std: "docker" "start" "-a" "fa0f618e221c7b0832367ac2a5f8403d0154f6e9cfb05f6836a95906bb49065e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.55
[INFO] [stderr]    Compiling errata-macros v0.2.0
[INFO] [stderr]     Checking errata v2.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved imports `errata::FatalError`, `errata::WithContext`
[INFO] [stdout]  --> examples/context.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | use errata::{FatalError, WithContext};
[INFO] [stdout]   |              ^^^^^^^^^^  ^^^^^^^^^^^ no `WithContext` in the root
[INFO] [stdout]   |              |
[INFO] [stdout]   |              no `FatalError` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `context` found for enum `Result<T, E>` in the current scope
[INFO] [stdout]  --> examples/context.rs:8:21
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let bar = foo().context("foo failed")?;
[INFO] [stdout]   |                     ^^^^^^^ method not found in `Result<i32, u64>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `errata` (example "context") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "fa0f618e221c7b0832367ac2a5f8403d0154f6e9cfb05f6836a95906bb49065e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa0f618e221c7b0832367ac2a5f8403d0154f6e9cfb05f6836a95906bb49065e", kill_on_drop: false }`
[INFO] [stdout] fa0f618e221c7b0832367ac2a5f8403d0154f6e9cfb05f6836a95906bb49065e