[INFO] cloning repository https://github.com/rajatsharma/mire
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rajatsharma/mire" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frajatsharma%2Fmire", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frajatsharma%2Fmire'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 64a486b3eb1fae07cfa4601f78fc71536f0dfd5b
[INFO] checking rajatsharma/mire against master#f8f6997469237299c1d60814c7b9828602a1f8e4 for pr-143808
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frajatsharma%2Fmire" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rajatsharma/mire
[INFO] finished tweaking git repo https://github.com/rajatsharma/mire
[INFO] tweaked toml for git repo https://github.com/rajatsharma/mire written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rajatsharma/mire on toolchain f8f6997469237299c1d60814c7b9828602a1f8e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rajatsharma/mire 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" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2361e8fb9f927cd27d562e0dc675a2faf69f4e45c8bcd40f411cddbd7ab4f92d
[INFO] running `Command { std: "docker" "start" "-a" "2361e8fb9f927cd27d562e0dc675a2faf69f4e45c8bcd40f411cddbd7ab4f92d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2361e8fb9f927cd27d562e0dc675a2faf69f4e45c8bcd40f411cddbd7ab4f92d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2361e8fb9f927cd27d562e0dc675a2faf69f4e45c8bcd40f411cddbd7ab4f92d", kill_on_drop: false }`
[INFO] [stdout] 2361e8fb9f927cd27d562e0dc675a2faf69f4e45c8bcd40f411cddbd7ab4f92d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c6c86a4bd9fed6e26401438e12f6efbe7c3b948e29f40387e3bb0b6b39b461a
[INFO] running `Command { std: "docker" "start" "-a" "1c6c86a4bd9fed6e26401438e12f6efbe7c3b948e29f40387e3bb0b6b39b461a", kill_on_drop: false }`
[INFO] [stderr]     Checking mire v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `crate::Error`
[INFO] [stdout]  --> src/result.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^ no `Error` in the root
[INFO] [stdout]   |
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]   |
[INFO] [stdout] 1 - use crate::Error;
[INFO] [stdout] 1 + use crate::error;
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items instead
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::error::Error;
[INFO] [stdout]   |            +++++++
[INFO] [stdout] 1 - use crate::Error;
[INFO] [stdout] 1 + use std::error::Error;
[INFO] [stdout]   |
[INFO] [stdout] 1 - use crate::Error;
[INFO] [stdout] 1 + use std::fmt::Error;
[INFO] [stdout]   |
[INFO] [stdout] 1 - use crate::Error;
[INFO] [stdout] 1 + use std::fs::TryLockError::Error;
[INFO] [stdout]   |
[INFO] [stdout]   = and 3 other candidates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `crate::ChainExt`, `crate::Context`, `crate::ContextExt`, `crate::Error`
[INFO] [stdout]   --> src/lib.rs:12:21
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub use crate::{ChainExt, Context, ContextExt, Error, Result};
[INFO] [stdout]    |                     ^^^^^^^^  ^^^^^^^  ^^^^^^^^^^  ^^^^^ no `Error` in the root
[INFO] [stdout]    |                     |         |        |
[INFO] [stdout]    |                     |         |        no `ContextExt` in the root
[INFO] [stdout]    |                     |         no `Context` in the root
[INFO] [stdout]    |                     no `ChainExt` in the root
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider importing this trait instead:
[INFO] [stdout]            crate::chain::ChainExt
[INFO] [stdout]    = help: consider importing one of these items instead:
[INFO] [stdout]            crate::context::Context
[INFO] [stdout]            std::task::Context
[INFO] [stdout]    = help: consider importing this trait instead:
[INFO] [stdout]            crate::context::ContextExt
[INFO] [stdout]    = help: consider importing one of these items instead:
[INFO] [stdout]            crate::error::Error
[INFO] [stdout]            std::error::Error
[INFO] [stdout]            std::fmt::Error
[INFO] [stdout]            std::fs::TryLockError::Error
[INFO] [stdout]            std::io::Error
[INFO] [stdout]            core::error::Error
[INFO] [stdout]            core::fmt::Error
[INFO] [stdout] help: a similar name exists in the module (notice the capitalization difference)
[INFO] [stdout]    |
[INFO] [stdout] 12 -     pub use crate::{ChainExt, Context, ContextExt, Error, Result};
[INFO] [stdout] 12 +     pub use crate::{ChainExt, context, ContextExt, Error, Result};
[INFO] [stdout]    |
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]    |
[INFO] [stdout] 12 -     pub use crate::{ChainExt, Context, ContextExt, Error, Result};
[INFO] [stdout] 12 +     pub use crate::{ChainExt, Context, ContextExt, error, Result};
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `Error` in the crate root
[INFO] [stdout]   --> src/context.rs:32:37
[INFO] [stdout]    |
[INFO] [stdout] 32 |         self.map_err(|error| crate::Error::new(error).context(context))
[INFO] [stdout]    |                                     ^^^^^ could not find `Error` in the crate root
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 1  + use crate::error::Error;
[INFO] [stdout]    |
[INFO] [stdout] 1  + use std::error::Error;
[INFO] [stdout]    |
[INFO] [stdout] 1  + use std::fmt::Error;
[INFO] [stdout]    |
[INFO] [stdout] 1  + use std::io::Error;
[INFO] [stdout]    |
[INFO] [stdout]    = and 2 other candidates
[INFO] [stdout] help: if you import `Error`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 32 -         self.map_err(|error| crate::Error::new(error).context(context))
[INFO] [stdout] 32 +         self.map_err(|error| Error::new(error).context(context))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `Error` in the crate root
[INFO] [stdout]   --> src/context.rs:40:37
[INFO] [stdout]    |
[INFO] [stdout] 40 |         self.map_err(|error| crate::Error::new(error).context(f()))
[INFO] [stdout]    |                                     ^^^^^ could not find `Error` in the crate root
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 1  + use crate::error::Error;
[INFO] [stdout]    |
[INFO] [stdout] 1  + use std::error::Error;
[INFO] [stdout]    |
[INFO] [stdout] 1  + use std::fmt::Error;
[INFO] [stdout]    |
[INFO] [stdout] 1  + use std::io::Error;
[INFO] [stdout]    |
[INFO] [stdout]    = and 2 other candidates
[INFO] [stdout] help: if you import `Error`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 40 -         self.map_err(|error| crate::Error::new(error).context(f()))
[INFO] [stdout] 40 +         self.map_err(|error| Error::new(error).context(f()))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::Error`
[INFO] [stdout]  --> src/result.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^ no `Error` in the root
[INFO] [stdout]   |
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]   |
[INFO] [stdout] 1 - use crate::Error;
[INFO] [stdout] 1 + use crate::error;
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items instead
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::error::Error;
[INFO] [stdout]   |            +++++++
[INFO] [stdout] 1 - use crate::Error;
[INFO] [stdout] 1 + use std::error::Error;
[INFO] [stdout]   |
[INFO] [stdout] 1 - use crate::Error;
[INFO] [stdout] 1 + use std::fmt::Error;
[INFO] [stdout]   |
[INFO] [stdout] 1 - use crate::Error;
[INFO] [stdout] 1 + use std::fs::TryLockError::Error;
[INFO] [stdout]   |
[INFO] [stdout]   = and 3 other candidates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `crate::ChainExt`, `crate::Context`, `crate::ContextExt`, `crate::Error`
[INFO] [stdout]   --> src/lib.rs:12:21
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub use crate::{ChainExt, Context, ContextExt, Error, Result};
[INFO] [stdout]    |                     ^^^^^^^^  ^^^^^^^  ^^^^^^^^^^  ^^^^^ no `Error` in the root
[INFO] [stdout]    |                     |         |        |
[INFO] [stdout]    |                     |         |        no `ContextExt` in the root
[INFO] [stdout]    |                     |         no `Context` in the root
[INFO] [stdout]    |                     no `ChainExt` in the root
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider importing this trait instead:
[INFO] [stdout]            crate::chain::ChainExt
[INFO] [stdout]    = help: consider importing one of these items instead:
[INFO] [stdout]            crate::context::Context
[INFO] [stdout]            std::task::Context
[INFO] [stdout]    = help: consider importing this trait instead:
[INFO] [stdout]            crate::context::ContextExt
[INFO] [stdout]    = help: consider importing one of these items instead:
[INFO] [stdout]            crate::error::Error
[INFO] [stdout]            std::error::Error
[INFO] [stdout]            std::fmt::Error
[INFO] [stdout]            std::fs::TryLockError::Error
[INFO] [stdout]            std::io::Error
[INFO] [stdout]            core::error::Error
[INFO] [stdout]            core::fmt::Error
[INFO] [stdout] help: a similar name exists in the module (notice the capitalization difference)
[INFO] [stdout]    |
[INFO] [stdout] 12 -     pub use crate::{ChainExt, Context, ContextExt, Error, Result};
[INFO] [stdout] 12 +     pub use crate::{ChainExt, context, ContextExt, Error, Result};
[INFO] [stdout]    |
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]    |
[INFO] [stdout] 12 -     pub use crate::{ChainExt, Context, ContextExt, Error, Result};
[INFO] [stdout] 12 +     pub use crate::{ChainExt, Context, ContextExt, error, Result};
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `Error` in the crate root
[INFO] [stdout]   --> src/context.rs:32:37
[INFO] [stdout]    |
[INFO] [stdout] 32 |         self.map_err(|error| crate::Error::new(error).context(context))
[INFO] [stdout]    |                                     ^^^^^ could not find `Error` in the crate root
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 1  + use crate::error::Error;
[INFO] [stdout]    |
[INFO] [stdout] 1  + use std::error::Error;
[INFO] [stdout]    |
[INFO] [stdout] 1  + use std::fmt::Error;
[INFO] [stdout]    |
[INFO] [stdout] 1  + use std::io::Error;
[INFO] [stdout]    |
[INFO] [stdout]    = and 2 other candidates
[INFO] [stdout] help: if you import `Error`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 32 -         self.map_err(|error| crate::Error::new(error).context(context))
[INFO] [stdout] 32 +         self.map_err(|error| Error::new(error).context(context))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mire` (lib) due to 4 previous errors
[INFO] [stdout] error[E0433]: failed to resolve: could not find `Error` in the crate root
[INFO] [stdout]   --> src/context.rs:40:37
[INFO] [stdout]    |
[INFO] [stdout] 40 |         self.map_err(|error| crate::Error::new(error).context(f()))
[INFO] [stdout]    |                                     ^^^^^ could not find `Error` in the crate root
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 1  + use crate::error::Error;
[INFO] [stdout]    |
[INFO] [stdout] 1  + use std::error::Error;
[INFO] [stdout]    |
[INFO] [stdout] 1  + use std::fmt::Error;
[INFO] [stdout]    |
[INFO] [stdout] 1  + use std::io::Error;
[INFO] [stdout]    |
[INFO] [stdout]    = and 2 other candidates
[INFO] [stdout] help: if you import `Error`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 40 -         self.map_err(|error| crate::Error::new(error).context(f()))
[INFO] [stdout] 40 +         self.map_err(|error| Error::new(error).context(f()))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mire` (lib test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "1c6c86a4bd9fed6e26401438e12f6efbe7c3b948e29f40387e3bb0b6b39b461a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c6c86a4bd9fed6e26401438e12f6efbe7c3b948e29f40387e3bb0b6b39b461a", kill_on_drop: false }`
[INFO] [stdout] 1c6c86a4bd9fed6e26401438e12f6efbe7c3b948e29f40387e3bb0b6b39b461a