[INFO] fetching crate ts3 0.3.1...
[INFO] checking ts3-0.3.1 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate ts3 0.3.1 into /workspace/builds/worker-55/source
[INFO] validating manifest of crates.io crate ts3 0.3.1 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ts3 0.3.1
[INFO] finished tweaking crates.io crate ts3 0.3.1
[INFO] tweaked toml for crates.io crate ts3 0.3.1 written to /workspace/builds/worker-55/source/Cargo.toml
[INFO] crate crates.io crate ts3 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ts3_derive v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4bfbec0aac4557815a329b9fd07f4d9643bed0033f26e626a8ff0884519bb7ea
[INFO] running `Command { std: "docker" "start" "-a" "4bfbec0aac4557815a329b9fd07f4d9643bed0033f26e626a8ff0884519bb7ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4bfbec0aac4557815a329b9fd07f4d9643bed0033f26e626a8ff0884519bb7ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bfbec0aac4557815a329b9fd07f4d9643bed0033f26e626a8ff0884519bb7ea", kill_on_drop: false }`
[INFO] [stdout] 4bfbec0aac4557815a329b9fd07f4d9643bed0033f26e626a8ff0884519bb7ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c1395c7a321d85baba6a75504b0da91c7295d42be4eb23a162080b16d5ab48e
[INFO] running `Command { std: "docker" "start" "-a" "6c1395c7a321d85baba6a75504b0da91c7295d42be4eb23a162080b16d5ab48e", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo.
[INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously.
[INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html
[INFO] [stderr] When building the following dependencies, the given features will no longer be used:
[INFO] [stderr] 
[INFO] [stderr]   tokio v1.6.0: macros, tokio-macros
[INFO] [stderr] 
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling tokio v1.6.0
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]    Compiling ts3_derive v0.2.0
[INFO] [stderr]     Checking ts3 v0.3.1 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/lib.rs (2 fixes)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/main.rs (2 fixes)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.97s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking ts3 v0.3.1 (/tmp/fixit)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Error`
[INFO] [stdout]    --> src/lib.rs:342:13
[INFO] [stdout]     |
[INFO] [stdout] 342 |             Error::TS3 { id, msg } => (id, msg),
[INFO] [stdout]     |             ^^^^^ use of undeclared type `Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Error`
[INFO] [stdout]    --> src/lib.rs:341:31
[INFO] [stdout]     |
[INFO] [stdout] 341 |         let (id, msg) = match Error::decode(buf).unwrap() {
[INFO] [stdout]     |                               ^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 324 |     use core::fmt::Error;
[INFO] [stdout]     |
[INFO] [stdout] 324 |     use crate::Error;
[INFO] [stdout]     |
[INFO] [stdout] 324 |     use crate::error::Error;
[INFO] [stdout]     |
[INFO] [stdout] 324 |     use crate::fmt::Error;
[INFO] [stdout]     |
[INFO] [stdout]       and 6 other candidates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `List`
[INFO] [stdout]    --> src/lib.rs:350:24
[INFO] [stdout]     |
[INFO] [stdout] 350 |         let mut list = List::new();
[INFO] [stdout]     |                        ^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 324 |     use crate::List;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `List`
[INFO] [stdout]    --> src/lib.rs:362:13
[INFO] [stdout]     |
[INFO] [stdout] 362 |             List::from_str(&string).unwrap(),
[INFO] [stdout]     |             ^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 324 |     use crate::List;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `List` in this scope
[INFO] [stdout]    --> src/lib.rs:363:13
[INFO] [stdout]     |
[INFO] [stdout] 363 |             List {
[INFO] [stdout]     |             ^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 324 |     use crate::List;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `decode` found for struct `Vec<String>` in the current scope
[INFO] [stdout]    --> src/lib.rs:327:28
[INFO] [stdout]     |
[INFO] [stdout] 327 |             Vec::<String>::decode(buf).unwrap(),
[INFO] [stdout]     |                            ^^^^^^ function or associated item not found in `Vec<String>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]             `use crate::Decode;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `decode` found for struct `String` in the current scope
[INFO] [stdout]    --> src/lib.rs:335:28
[INFO] [stdout]     |
[INFO] [stdout] 335 |         assert_eq!(String::decode(buf).unwrap(), "Hello World!".to_owned());
[INFO] [stdout]     |                            ^^^^^^ function or associated item not found in `String`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]             `use crate::Decode;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0422, E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0422`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ts3` due to 8 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] [stderr] error: failed to check after updating to 2021
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `cargo check --frozen --all --all-targets --message-format=json` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "6c1395c7a321d85baba6a75504b0da91c7295d42be4eb23a162080b16d5ab48e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c1395c7a321d85baba6a75504b0da91c7295d42be4eb23a162080b16d5ab48e", kill_on_drop: false }`
[INFO] [stdout] 6c1395c7a321d85baba6a75504b0da91c7295d42be4eb23a162080b16d5ab48e