[INFO] fetching crate quick-error2 2.1.0...
[INFO] checking quick-error2-2.1.0 against master#9610dfe5a9a731ced1ea4923ecbd0c57fe367898 for beta-170-4
[INFO] extracting crate quick-error2 2.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate quick-error2 2.1.0 on toolchain 9610dfe5a9a731ced1ea4923ecbd0c57fe367898
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate quick-error2 2.1.0
[INFO] finished tweaking crates.io crate quick-error2 2.1.0
[INFO] tweaked toml for crates.io crate quick-error2 2.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate quick-error2 2.1.0 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" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76feaac3aac99f4029da8e6687dc19eddf0f7c5b6f861f5d361ff6dab341d58b
[INFO] running `Command { std: "docker" "start" "-a" "76feaac3aac99f4029da8e6687dc19eddf0f7c5b6f861f5d361ff6dab341d58b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76feaac3aac99f4029da8e6687dc19eddf0f7c5b6f861f5d361ff6dab341d58b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76feaac3aac99f4029da8e6687dc19eddf0f7c5b6f861f5d361ff6dab341d58b", kill_on_drop: false }`
[INFO] [stdout] 76feaac3aac99f4029da8e6687dc19eddf0f7c5b6f861f5d361ff6dab341d58b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 286b33b993a7ca7f1071acc15de7442df9211b4bd638d1db58f9ad2b09dcaf77
[INFO] running `Command { std: "docker" "start" "-a" "286b33b993a7ca7f1071acc15de7442df9211b4bd638d1db58f9ad2b09dcaf77", kill_on_drop: false }`
[INFO] [stderr]     Checking quick-error2 v2.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved imports `quick_error`, `quick_error::ResultExt`
[INFO] [stdout]  --> examples/context.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use quick_error::{quick_error, ResultExt};
[INFO] [stdout]   |     ^^^^^^^^^^^                ^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     use of undeclared crate or module `quick_error`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 1 | use quick_error2::{quick_error, ResultExt};
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `quick_error`
[INFO] [stdout]  --> examples/context.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | quick_error! {
[INFO] [stdout]   | ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1000:19
[INFO] [stdout]      |
[INFO] [stdout] 1000 |         let err: &Error = &Bare::Two;
[INFO] [stdout]      |                   ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]      = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1000 |         let err: &dyn Error = &Bare::Two;
[INFO] [stdout]      |                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1078:19
[INFO] [stdout]      |
[INFO] [stdout] 1078 |         let err: &Error = &TupleWrapper::Other(desc);
[INFO] [stdout]      |                   ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1078 |         let err: &dyn Error = &TupleWrapper::Other(desc);
[INFO] [stdout]      |                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Error` in this scope
[INFO] [stdout]   --> examples/context.rs:25:32
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn parse_file() -> Result<u64, Error> {
[INFO] [stdout]    |                                ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 1  + use core::error::Error;
[INFO] [stdout]    |
[INFO] [stdout] 1  + use core::fmt::Error;
[INFO] [stdout]    |
[INFO] [stdout] 1  + use crate::io::Error;
[INFO] [stdout]    |
[INFO] [stdout] 1  + use std::error::Error;
[INFO] [stdout]    |
[INFO] [stdout]      and 2 other candidates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1090:19
[INFO] [stdout]      |
[INFO] [stdout] 1090 |         let err: &Error = &TupleWrapper::FromUtf8Error(source.clone(), invalid_utf8.clone());
[INFO] [stdout]      |                   ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1090 |         let err: &dyn Error = &TupleWrapper::FromUtf8Error(source.clone(), invalid_utf8.clone());
[INFO] [stdout]      |                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Error`
[INFO] [stdout]   --> examples/context.rs:26:50
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let fname = env::args().skip(1).next().ok_or(Error::NoFileName)?;
[INFO] [stdout]    |                                                  ^^^^^ use of undeclared type `Error`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 1  + use core::error::Error;
[INFO] [stdout]    |
[INFO] [stdout] 1  + use core::fmt::Error;
[INFO] [stdout]    |
[INFO] [stdout] 1  + use crate::io::Error;
[INFO] [stdout]    |
[INFO] [stdout] 1  + use std::error::Error;
[INFO] [stdout]    |
[INFO] [stdout]      and 2 other candidates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> examples/context.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{self, stderr, Read, Write};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::num::ParseIntError`
[INFO] [stdout]  --> examples/context.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::num::ParseIntError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PathBuf`
[INFO] [stdout]  --> examples/context.rs:6:23
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1165:19
[INFO] [stdout]      |
[INFO] [stdout] 1165 |         let err: &Error = &StructWrapper::Utf8Error {
[INFO] [stdout]      |                   ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1165 |         let err: &dyn Error = &StructWrapper::Utf8Error {
[INFO] [stdout]      |                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `context` found for enum `Result` in the current scope
[INFO] [stdout]    --> examples/context.rs:28:38
[INFO] [stdout]     |
[INFO] [stdout] 28  |     let mut file = File::open(fname).context(fname)?;
[INFO] [stdout]     |                                      ^^^^^^^ method not found in `Result<File, Error>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/lib.rs:964:8
[INFO] [stdout]     |
[INFO] [stdout] 964 |     fn context<X>(self, x: X) -> Result<T, Context<X, E>>;
[INFO] [stdout]     |        ------- the method is available for `Result<File, std::io::Error>` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 1   + use quick_error2::ResultExt;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `context` found for enum `Result` in the current scope
[INFO] [stdout]    --> examples/context.rs:31:20
[INFO] [stdout]     |
[INFO] [stdout] 31  |     Ok(buf.parse().context(fname)?)
[INFO] [stdout]     |                    ^^^^^^^ method not found in `Result<_, _>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/lib.rs:964:8
[INFO] [stdout]     |
[INFO] [stdout] 964 |     fn context<X>(self, x: X) -> Result<T, Context<X, E>>;
[INFO] [stdout]     |        ------- the method is available for `Result<_, _>` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 1   + use quick_error2::ResultExt;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> examples/context.rs:4:29
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{self, stderr, Read, Write};
[INFO] [stdout]   |                             ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0432, E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1312:19
[INFO] [stdout]      |
[INFO] [stdout] 1312 |         let err: &Error = &StructWrapper::Utf8Error {
[INFO] [stdout]      |                   ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1312 |         let err: &dyn Error = &StructWrapper::Utf8Error {
[INFO] [stdout]      |                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `quick-error2` (example "context") due to 7 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "286b33b993a7ca7f1071acc15de7442df9211b4bd638d1db58f9ad2b09dcaf77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "286b33b993a7ca7f1071acc15de7442df9211b4bd638d1db58f9ad2b09dcaf77", kill_on_drop: false }`
[INFO] [stdout] 286b33b993a7ca7f1071acc15de7442df9211b4bd638d1db58f9ad2b09dcaf77
