[INFO] fetching crate polyglot 0.2.1... [INFO] testing polyglot-0.2.1 against 1.55.0 for beta-1.56-1 [INFO] extracting crate polyglot 0.2.1 into /workspace/builds/worker-116/source [INFO] validating manifest of crates.io crate polyglot 0.2.1 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate polyglot 0.2.1 [INFO] finished tweaking crates.io crate polyglot 0.2.1 [INFO] tweaked toml for crates.io crate polyglot 0.2.1 written to /workspace/builds/worker-116/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 747eaaeda6ab8aa107695fd68b5e58d4306dae489b26f6dd4b82b1d7f67326b7 [INFO] running `Command { std: "docker" "start" "-a" "747eaaeda6ab8aa107695fd68b5e58d4306dae489b26f6dd4b82b1d7f67326b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "747eaaeda6ab8aa107695fd68b5e58d4306dae489b26f6dd4b82b1d7f67326b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "747eaaeda6ab8aa107695fd68b5e58d4306dae489b26f6dd4b82b1d7f67326b7", kill_on_drop: false }` [INFO] [stdout] 747eaaeda6ab8aa107695fd68b5e58d4306dae489b26f6dd4b82b1d7f67326b7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1f18a8f87c55dad11557088ebe7ae9c40a0009fa3bc94bf0e9719c217939396c [INFO] running `Command { std: "docker" "start" "-a" "1f18a8f87c55dad11557088ebe7ae9c40a0009fa3bc94bf0e9719c217939396c", kill_on_drop: false }` [INFO] [stderr] Compiling polyglot v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/de.rs:23:20 [INFO] [stdout] | [INFO] [stdout] 23 | pub fn from_str(s: &str, format: Format) -> crate::Result [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `format` [INFO] [stdout] --> src/de.rs:23:29 [INFO] [stdout] | [INFO] [stdout] 23 | pub fn from_str(s: &str, format: Format) -> crate::Result [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_format` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rdr` [INFO] [stdout] --> src/de.rs:77:30 [INFO] [stdout] | [INFO] [stdout] 77 | pub fn from_reader(mut rdr: R, format: Format) -> crate::Result [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_rdr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `format` [INFO] [stdout] --> src/de.rs:77:38 [INFO] [stdout] | [INFO] [stdout] 77 | pub fn from_reader(mut rdr: R, format: Format) -> crate::Result [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_format` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `val` [INFO] [stdout] --> src/ser.rs:21:29 [INFO] [stdout] | [INFO] [stdout] 21 | pub fn to_vec(val: &T, format: Format) -> crate::Result> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_val` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `format` [INFO] [stdout] --> src/ser.rs:21:38 [INFO] [stdout] | [INFO] [stdout] 21 | pub fn to_vec(val: &T, format: Format) -> crate::Result> { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_format` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `val` [INFO] [stdout] --> src/ser.rs:75:32 [INFO] [stdout] | [INFO] [stdout] 75 | pub fn to_string(val: &T, format: Format) -> crate::Result { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_val` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `format` [INFO] [stdout] --> src/ser.rs:75:41 [INFO] [stdout] | [INFO] [stdout] 75 | pub fn to_string(val: &T, format: Format) -> crate::Result { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_format` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/de.rs:77:26 [INFO] [stdout] | [INFO] [stdout] 77 | pub fn from_reader(mut rdr: R, format: Format) -> crate::Result [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.52s [INFO] running `Command { std: "docker" "inspect" "1f18a8f87c55dad11557088ebe7ae9c40a0009fa3bc94bf0e9719c217939396c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1f18a8f87c55dad11557088ebe7ae9c40a0009fa3bc94bf0e9719c217939396c", kill_on_drop: false }` [INFO] [stdout] 1f18a8f87c55dad11557088ebe7ae9c40a0009fa3bc94bf0e9719c217939396c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8f0ba89b8013e1250b8d863794dde50739ed212e15707c54cf44b94d5b1d8fab [INFO] running `Command { std: "docker" "start" "-a" "8f0ba89b8013e1250b8d863794dde50739ed212e15707c54cf44b94d5b1d8fab", kill_on_drop: false }` [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/de.rs:23:20 [INFO] [stdout] | [INFO] [stdout] 23 | pub fn from_str(s: &str, format: Format) -> crate::Result [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `format` [INFO] [stdout] --> src/de.rs:23:29 [INFO] [stdout] | [INFO] [stdout] 23 | pub fn from_str(s: &str, format: Format) -> crate::Result [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_format` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling polyglot v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `rdr` [INFO] [stdout] --> src/de.rs:77:30 [INFO] [stdout] | [INFO] [stdout] 77 | pub fn from_reader(mut rdr: R, format: Format) -> crate::Result [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_rdr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `format` [INFO] [stdout] --> src/de.rs:77:38 [INFO] [stdout] | [INFO] [stdout] 77 | pub fn from_reader(mut rdr: R, format: Format) -> crate::Result [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_format` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `val` [INFO] [stdout] --> src/ser.rs:21:29 [INFO] [stdout] | [INFO] [stdout] 21 | pub fn to_vec(val: &T, format: Format) -> crate::Result> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_val` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `format` [INFO] [stdout] --> src/ser.rs:21:38 [INFO] [stdout] | [INFO] [stdout] 21 | pub fn to_vec(val: &T, format: Format) -> crate::Result> { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_format` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `val` [INFO] [stdout] --> src/ser.rs:75:32 [INFO] [stdout] | [INFO] [stdout] 75 | pub fn to_string(val: &T, format: Format) -> crate::Result { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_val` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `format` [INFO] [stdout] --> src/ser.rs:75:41 [INFO] [stdout] | [INFO] [stdout] 75 | pub fn to_string(val: &T, format: Format) -> crate::Result { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_format` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/de.rs:77:26 [INFO] [stdout] | [INFO] [stdout] 77 | pub fn from_reader(mut rdr: R, format: Format) -> crate::Result [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no variant or associated item named `JSON` found for enum `Format` in the current scope [INFO] [stdout] --> src/tests/de.rs:34:56 [INFO] [stdout] | [INFO] [stdout] 34 | simple_json: (include_str!("data/1.json"), Format::JSON), [INFO] [stdout] | ^^^^ variant or associated item not found in `Format` [INFO] [stdout] | [INFO] [stdout] ::: src/format.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | pub enum Format { [INFO] [stdout] | --------------- variant or associated item `JSON` not found here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no variant or associated item named `TOML` found for enum `Format` in the current scope [INFO] [stdout] --> src/tests/de.rs:35:56 [INFO] [stdout] | [INFO] [stdout] 35 | simple_toml: (include_str!("data/1.toml"), Format::TOML), [INFO] [stdout] | ^^^^ variant or associated item not found in `Format` [INFO] [stdout] | [INFO] [stdout] ::: src/format.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | pub enum Format { [INFO] [stdout] | --------------- variant or associated item `TOML` not found here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no variant or associated item named `JSON` found for enum `Format` in the current scope [INFO] [stdout] --> src/tests/format.rs:16:26 [INFO] [stdout] | [INFO] [stdout] 16 | asref_json: (Format::JSON, "json"), [INFO] [stdout] | ^^^^ variant or associated item not found in `Format` [INFO] [stdout] | [INFO] [stdout] ::: src/format.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | pub enum Format { [INFO] [stdout] | --------------- variant or associated item `JSON` not found here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no variant or associated item named `TOML` found for enum `Format` in the current scope [INFO] [stdout] --> src/tests/format.rs:17:26 [INFO] [stdout] | [INFO] [stdout] 17 | asref_toml: (Format::TOML, "toml"), [INFO] [stdout] | ^^^^ variant or associated item not found in `Format` [INFO] [stdout] | [INFO] [stdout] ::: src/format.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | pub enum Format { [INFO] [stdout] | --------------- variant or associated item `TOML` not found here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no variant or associated item named `MsgPack` found for enum `Format` in the current scope [INFO] [stdout] --> src/tests/format.rs:18:29 [INFO] [stdout] | [INFO] [stdout] 18 | asref_msgpack: (Format::MsgPack, "msgpack"), [INFO] [stdout] | ^^^^^^^ variant or associated item not found in `Format` [INFO] [stdout] | [INFO] [stdout] ::: src/format.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | pub enum Format { [INFO] [stdout] | --------------- variant or associated item `MsgPack` not found here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no variant or associated item named `YAML` found for enum `Format` in the current scope [INFO] [stdout] --> src/tests/format.rs:19:26 [INFO] [stdout] | [INFO] [stdout] 19 | asref_yaml: (Format::YAML, "yaml"), [INFO] [stdout] | ^^^^ variant or associated item not found in `Format` [INFO] [stdout] | [INFO] [stdout] ::: src/format.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | pub enum Format { [INFO] [stdout] | --------------- variant or associated item `YAML` not found here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no variant or associated item named `JSON` found for enum `Format` in the current scope [INFO] [stdout] --> src/tests/ser.rs:12:42 [INFO] [stdout] | [INFO] [stdout] 12 | for frmt in vec![Format::JSON, Format::MsgPack, Format::TOML, Format::YAML].iter() { [INFO] [stdout] | ^^^^ variant or associated item not found in `Format` [INFO] [stdout] ... [INFO] [stdout] 28 | / ser_tests! { [INFO] [stdout] 29 | | base_struct: TestStructA{name: String::from("John"), age: 18, is_nice: true}, [INFO] [stdout] 30 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] ::: src/format.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | pub enum Format { [INFO] [stdout] | --------------- variant or associated item `JSON` not found here [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `ser_tests` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no variant or associated item named `MsgPack` found for enum `Format` in the current scope [INFO] [stdout] --> src/tests/ser.rs:12:56 [INFO] [stdout] | [INFO] [stdout] 12 | for frmt in vec![Format::JSON, Format::MsgPack, Format::TOML, Format::YAML].iter() { [INFO] [stdout] | ^^^^^^^ variant or associated item not found in `Format` [INFO] [stdout] ... [INFO] [stdout] 28 | / ser_tests! { [INFO] [stdout] 29 | | base_struct: TestStructA{name: String::from("John"), age: 18, is_nice: true}, [INFO] [stdout] 30 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] ::: src/format.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | pub enum Format { [INFO] [stdout] | --------------- variant or associated item `MsgPack` not found here [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `ser_tests` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no variant or associated item named `TOML` found for enum `Format` in the current scope [INFO] [stdout] --> src/tests/ser.rs:12:73 [INFO] [stdout] | [INFO] [stdout] 12 | for frmt in vec![Format::JSON, Format::MsgPack, Format::TOML, Format::YAML].iter() { [INFO] [stdout] | ^^^^ variant or associated item not found in `Format` [INFO] [stdout] ... [INFO] [stdout] 28 | / ser_tests! { [INFO] [stdout] 29 | | base_struct: TestStructA{name: String::from("John"), age: 18, is_nice: true}, [INFO] [stdout] 30 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] ::: src/format.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | pub enum Format { [INFO] [stdout] | --------------- variant or associated item `TOML` not found here [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `ser_tests` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no variant or associated item named `YAML` found for enum `Format` in the current scope [INFO] [stdout] --> src/tests/ser.rs:12:87 [INFO] [stdout] | [INFO] [stdout] 12 | for frmt in vec![Format::JSON, Format::MsgPack, Format::TOML, Format::YAML].iter() { [INFO] [stdout] | ^^^^ variant or associated item not found in `Format` [INFO] [stdout] ... [INFO] [stdout] 28 | / ser_tests! { [INFO] [stdout] 29 | | base_struct: TestStructA{name: String::from("John"), age: 18, is_nice: true}, [INFO] [stdout] 30 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] ::: src/format.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | pub enum Format { [INFO] [stdout] | --------------- variant or associated item `YAML` not found here [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `ser_tests` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 10 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0599`. [INFO] [stdout] [INFO] [stderr] error: could not compile `polyglot` due to 11 previous errors [INFO] running `Command { std: "docker" "inspect" "8f0ba89b8013e1250b8d863794dde50739ed212e15707c54cf44b94d5b1d8fab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f0ba89b8013e1250b8d863794dde50739ed212e15707c54cf44b94d5b1d8fab", kill_on_drop: false }` [INFO] [stdout] 8f0ba89b8013e1250b8d863794dde50739ed212e15707c54cf44b94d5b1d8fab