[INFO] fetching crate sshc 1.0.0... [INFO] checking sshc-1.0.0 against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502 [INFO] extracting crate sshc 1.0.0 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate sshc 1.0.0 on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate sshc 1.0.0 [INFO] finished tweaking crates.io crate sshc 1.0.0 [INFO] tweaked toml for crates.io crate sshc 1.0.0 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 24b921fccb4c8032801a479b0ea95bb1e4face6a6f741512eb9f0959510e4505 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "24b921fccb4c8032801a479b0ea95bb1e4face6a6f741512eb9f0959510e4505", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "24b921fccb4c8032801a479b0ea95bb1e4face6a6f741512eb9f0959510e4505", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "24b921fccb4c8032801a479b0ea95bb1e4face6a6f741512eb9f0959510e4505", kill_on_drop: false }` [INFO] [stdout] 24b921fccb4c8032801a479b0ea95bb1e4face6a6f741512eb9f0959510e4505 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b747837e77eaea3e79dcfc2b4abd90a391e67328f2a6615ebe51b22ff81dd808 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "b747837e77eaea3e79dcfc2b4abd90a391e67328f2a6615ebe51b22ff81dd808", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.76 [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling serde v1.0.115 [INFO] [stderr] Checking gimli v0.22.0 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking adler v0.2.3 [INFO] [stderr] Compiling syn v1.0.39 [INFO] [stderr] Compiling serde_derive v1.0.115 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Compiling cursive v0.6.4 [INFO] [stderr] Checking odds v0.2.26 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling num-iter v0.1.41 [INFO] [stderr] Checking itertools v0.6.5 [INFO] [stderr] Checking miniz_oxide v0.4.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking dirs-sys v0.3.5 [INFO] [stderr] Checking termion v1.5.5 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking errno v0.2.6 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking exec v0.3.1 [INFO] [stderr] Checking shellexpand v1.1.1 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking chan v0.1.23 [INFO] [stderr] Checking chan-signal v0.2.0 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking addr2line v0.13.0 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking backtrace v0.3.50 [INFO] [stderr] Checking error-chain v0.10.0 [INFO] [stderr] Checking toml v0.4.10 [INFO] [stderr] Checking sshc v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/config.rs:271:16 [INFO] [stdout] | [INFO] [stdout] 271 | MIN...MAX => Ok(Tunnel { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/config.rs:67:1 [INFO] [stdout] | [INFO] [stdout] 67 | / error_chain! { [INFO] [stdout] 68 | | foreign_links { [INFO] [stdout] 69 | | Io(io::Error); [INFO] [stdout] 70 | | Toml(toml::de::Error); [INFO] [stdout] 71 | | } [INFO] [stdout] 72 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/config.rs:67:1 [INFO] [stdout] | [INFO] [stdout] 67 | / error_chain! { [INFO] [stdout] 68 | | foreign_links { [INFO] [stdout] 69 | | Io(io::Error); [INFO] [stdout] 70 | | Toml(toml::de::Error); [INFO] [stdout] 71 | | } [INFO] [stdout] 72 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/config.rs:271:16 [INFO] [stdout] | [INFO] [stdout] 271 | MIN...MAX => Ok(Tunnel { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/config.rs:67:1 [INFO] [stdout] | [INFO] [stdout] 67 | / error_chain! { [INFO] [stdout] 68 | | foreign_links { [INFO] [stdout] 69 | | Io(io::Error); [INFO] [stdout] 70 | | Toml(toml::de::Error); [INFO] [stdout] 71 | | } [INFO] [stdout] 72 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/config.rs:67:1 [INFO] [stdout] | [INFO] [stdout] 67 | / error_chain! { [INFO] [stdout] 68 | | foreign_links { [INFO] [stdout] 69 | | Io(io::Error); [INFO] [stdout] 70 | | Toml(toml::de::Error); [INFO] [stdout] 71 | | } [INFO] [stdout] 72 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0034]: multiple applicable items in scope [INFO] [stdout] --> src/execution.rs:83:14 [INFO] [stdout] | [INFO] [stdout] 83 | .flatten() [INFO] [stdout] | ^^^^^^^ multiple `flatten` found [INFO] [stdout] | [INFO] [stdout] = note: candidate #1 is defined in an impl of the trait `std::iter::Iterator` for the type `itertools::Intersperse` [INFO] [stdout] = note: candidate #2 is defined in an impl of the trait `itertools::Itertools` for the type `T` [INFO] [stdout] help: disambiguate the associated function for candidate #1 [INFO] [stdout] | [INFO] [stdout] 81 | let args: Vec<_> = std::iter::Iterator::flatten(self.command_parts.into_iter() [INFO] [stdout] 82 | .intersperse(vec!["-t".into()])) [INFO] [stdout] | [INFO] [stdout] help: disambiguate the associated function for candidate #2 [INFO] [stdout] | [INFO] [stdout] 81 | let args: Vec<_> = itertools::Itertools::flatten(self.command_parts.into_iter() [INFO] [stdout] 82 | .intersperse(vec!["-t".into()])) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting [INFO] [stdout] --> src/config.rs:67:1 [INFO] [stdout] | [INFO] [stdout] 67 | / error_chain! { [INFO] [stdout] 68 | | foreign_links { [INFO] [stdout] 69 | | Io(io::Error); [INFO] [stdout] 70 | | Toml(toml::de::Error); [INFO] [stdout] 71 | | } [INFO] [stdout] 72 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0034`. [INFO] [stdout] [INFO] [stderr] error: could not compile `sshc`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/config.rs:410:31 [INFO] [stdout] | [INFO] [stdout] 410 | port: 2244, [INFO] [stdout] | ^^^^ [INFO] [stdout] | | [INFO] [stdout] | expected enum `std::option::Option`, found integer [INFO] [stdout] | help: try using a variant of the expected enum: `serde::export::Some(2244)` [INFO] [stdout] | [INFO] [stdout] = note: expected enum `std::option::Option` [INFO] [stdout] found type `{integer}` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/config.rs:413:33 [INFO] [stdout] | [INFO] [stdout] 413 | tunnel: None, [INFO] [stdout] | ^^^^ expected enum `config::State`, found enum `std::option::Option` [INFO] [stdout] | [INFO] [stdout] = note: expected enum `config::State` [INFO] [stdout] found enum `std::option::Option<_>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/config.rs:415:44 [INFO] [stdout] | [INFO] [stdout] 415 | agent_passthrough: false, [INFO] [stdout] | ^^^^^ expected enum `config::State`, found `bool` [INFO] [stdout] | [INFO] [stdout] = note: expected enum `config::State<()>` [INFO] [stdout] found type `bool` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/config.rs:416:37 [INFO] [stdout] | [INFO] [stdout] 416 | no_command: false, [INFO] [stdout] | ^^^^^ expected enum `config::State`, found `bool` [INFO] [stdout] | [INFO] [stdout] = note: expected enum `config::State<()>` [INFO] [stdout] found type `bool` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/config.rs:429:31 [INFO] [stdout] | [INFO] [stdout] 429 | port: 1234, [INFO] [stdout] | ^^^^ [INFO] [stdout] | | [INFO] [stdout] | expected enum `std::option::Option`, found integer [INFO] [stdout] | help: try using a variant of the expected enum: `serde::export::Some(1234)` [INFO] [stdout] | [INFO] [stdout] = note: expected enum `std::option::Option` [INFO] [stdout] found type `{integer}` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/config.rs:432:33 [INFO] [stdout] | [INFO] [stdout] 432 | tunnel: None, [INFO] [stdout] | ^^^^ expected enum `config::State`, found enum `std::option::Option` [INFO] [stdout] | [INFO] [stdout] = note: expected enum `config::State` [INFO] [stdout] found enum `std::option::Option<_>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/config.rs:434:44 [INFO] [stdout] | [INFO] [stdout] 434 | agent_passthrough: false, [INFO] [stdout] | ^^^^^ expected enum `config::State`, found `bool` [INFO] [stdout] | [INFO] [stdout] = note: expected enum `config::State<()>` [INFO] [stdout] found type `bool` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/config.rs:435:37 [INFO] [stdout] | [INFO] [stdout] 435 | no_command: false, [INFO] [stdout] | ^^^^^ expected enum `config::State`, found `bool` [INFO] [stdout] | [INFO] [stdout] = note: expected enum `config::State<()>` [INFO] [stdout] found type `bool` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/config.rs:456:31 [INFO] [stdout] | [INFO] [stdout] 456 | port: 22, [INFO] [stdout] | ^^ [INFO] [stdout] | | [INFO] [stdout] | expected enum `std::option::Option`, found integer [INFO] [stdout] | help: try using a variant of the expected enum: `serde::export::Some(22)` [INFO] [stdout] | [INFO] [stdout] = note: expected enum `std::option::Option` [INFO] [stdout] found type `{integer}` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/config.rs:459:33 [INFO] [stdout] | [INFO] [stdout] 459 | tunnel: Some(Tunnel { [INFO] [stdout] | _________________________________^ [INFO] [stdout] 460 | | local_host: None, [INFO] [stdout] 461 | | local_port: Some(1221), [INFO] [stdout] 462 | | remote_host: None, [INFO] [stdout] 463 | | remote_port: Some(4443), [INFO] [stdout] 464 | | }), [INFO] [stdout] | |__________________________^ expected enum `config::State`, found enum `std::option::Option` [INFO] [stdout] | [INFO] [stdout] = note: expected enum `config::State` [INFO] [stdout] found enum `std::option::Option` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/config.rs:466:44 [INFO] [stdout] | [INFO] [stdout] 466 | agent_passthrough: false, [INFO] [stdout] | ^^^^^ expected enum `config::State`, found `bool` [INFO] [stdout] | [INFO] [stdout] = note: expected enum `config::State<()>` [INFO] [stdout] found type `bool` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/config.rs:467:37 [INFO] [stdout] | [INFO] [stdout] 467 | no_command: false, [INFO] [stdout] | ^^^^^ expected enum `config::State`, found `bool` [INFO] [stdout] | [INFO] [stdout] = note: expected enum `config::State<()>` [INFO] [stdout] found type `bool` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/config.rs:471:31 [INFO] [stdout] | [INFO] [stdout] 471 | port: 22, [INFO] [stdout] | ^^ [INFO] [stdout] | | [INFO] [stdout] | expected enum `std::option::Option`, found integer [INFO] [stdout] | help: try using a variant of the expected enum: `serde::export::Some(22)` [INFO] [stdout] | [INFO] [stdout] = note: expected enum `std::option::Option` [INFO] [stdout] found type `{integer}` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/config.rs:474:33 [INFO] [stdout] | [INFO] [stdout] 474 | tunnel: Some(Tunnel { [INFO] [stdout] | _________________________________^ [INFO] [stdout] 475 | | local_host: None, [INFO] [stdout] 476 | | local_port: Some(4443), [INFO] [stdout] 477 | | remote_host: None, [INFO] [stdout] 478 | | remote_port: Some(443), [INFO] [stdout] 479 | | }), [INFO] [stdout] | |__________________________^ expected enum `config::State`, found enum `std::option::Option` [INFO] [stdout] | [INFO] [stdout] = note: expected enum `config::State` [INFO] [stdout] found enum `std::option::Option` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/config.rs:481:44 [INFO] [stdout] | [INFO] [stdout] 481 | agent_passthrough: false, [INFO] [stdout] | ^^^^^ expected enum `config::State`, found `bool` [INFO] [stdout] | [INFO] [stdout] = note: expected enum `config::State<()>` [INFO] [stdout] found type `bool` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/config.rs:482:37 [INFO] [stdout] | [INFO] [stdout] 482 | no_command: false, [INFO] [stdout] | ^^^^^ expected enum `config::State`, found `bool` [INFO] [stdout] | [INFO] [stdout] = note: expected enum `config::State<()>` [INFO] [stdout] found type `bool` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0034]: multiple applicable items in scope [INFO] [stdout] --> src/execution.rs:83:14 [INFO] [stdout] | [INFO] [stdout] 83 | .flatten() [INFO] [stdout] | ^^^^^^^ multiple `flatten` found [INFO] [stdout] | [INFO] [stdout] = note: candidate #1 is defined in an impl of the trait `std::iter::Iterator` for the type `itertools::Intersperse` [INFO] [stdout] = note: candidate #2 is defined in an impl of the trait `itertools::Itertools` for the type `T` [INFO] [stdout] help: disambiguate the associated function for candidate #1 [INFO] [stdout] | [INFO] [stdout] 81 | let args: Vec<_> = std::iter::Iterator::flatten(self.command_parts.into_iter() [INFO] [stdout] 82 | .intersperse(vec!["-t".into()])) [INFO] [stdout] | [INFO] [stdout] help: disambiguate the associated function for candidate #2 [INFO] [stdout] | [INFO] [stdout] 81 | let args: Vec<_> = itertools::Itertools::flatten(self.command_parts.into_iter() [INFO] [stdout] 82 | .intersperse(vec!["-t".into()])) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting [INFO] [stdout] --> src/config.rs:67:1 [INFO] [stdout] | [INFO] [stdout] 67 | / error_chain! { [INFO] [stdout] 68 | | foreign_links { [INFO] [stdout] 69 | | Io(io::Error); [INFO] [stdout] 70 | | Toml(toml::de::Error); [INFO] [stdout] 71 | | } [INFO] [stdout] 72 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 17 previous errors; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0034, E0308. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0034`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "b747837e77eaea3e79dcfc2b4abd90a391e67328f2a6615ebe51b22ff81dd808", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b747837e77eaea3e79dcfc2b4abd90a391e67328f2a6615ebe51b22ff81dd808", kill_on_drop: false }` [INFO] [stdout] b747837e77eaea3e79dcfc2b4abd90a391e67328f2a6615ebe51b22ff81dd808