[INFO] fetching crate jsyc-compiler 0.1.0...
[INFO] checking jsyc-compiler-0.1.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate jsyc-compiler 0.1.0 into /workspace/builds/worker-41/source
[INFO] validating manifest of crates.io crate jsyc-compiler 0.1.0 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 jsyc-compiler 0.1.0
[INFO] finished tweaking crates.io crate jsyc-compiler 0.1.0
[INFO] tweaked toml for crates.io crate jsyc-compiler 0.1.0 written to /workspace/builds/worker-41/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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] f3cef3da2be37529bcef4024de6612674ce65b114a8ff9cb0133a5fb9750534d
[INFO] running `Command { std: "docker" "start" "-a" "f3cef3da2be37529bcef4024de6612674ce65b114a8ff9cb0133a5fb9750534d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3cef3da2be37529bcef4024de6612674ce65b114a8ff9cb0133a5fb9750534d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3cef3da2be37529bcef4024de6612674ce65b114a8ff9cb0133a5fb9750534d", kill_on_drop: false }`
[INFO] [stdout] f3cef3da2be37529bcef4024de6612674ce65b114a8ff9cb0133a5fb9750534d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 914095bf1be17e40a726a104f302c6edb5328efdb7d2ec1bba9d3e0f71ca7f5b
[INFO] running `Command { std: "docker" "start" "-a" "914095bf1be17e40a726a104f302c6edb5328efdb7d2ec1bba9d3e0f71ca7f5b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]     Checking unic-char-range v0.7.0
[INFO] [stderr]     Checking unic-common v0.7.0
[INFO] [stderr]     Checking ascii v0.9.3
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking resast v0.2.1
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking object v0.26.2
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking unic-char-property v0.7.0
[INFO] [stderr]     Checking unic-ucd-version v0.7.0
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]     Checking unic-ucd-ident v0.7.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking addr2line v0.16.0
[INFO] [stderr]     Checking ress v0.6.3
[INFO] [stderr]     Checking ressa v0.5.2
[INFO] [stderr]     Checking jsyc-compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:53:32
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:53:32
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/bytecode.rs:344:33
[INFO] [stdout]     |
[INFO] [stdout] 344 |             panic!("The string '{}' is too long. Encoded string may only have 65536 charachters.");
[INFO] [stdout]     |                                 ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 344 |             panic!("The string '{}' is too long. Encoded string may only have 65536 charachters.", ...);
[INFO] [stdout]     |                                                                                                  ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 344 |             panic!("{}", "The string '{}' is too long. Encoded string may only have 65536 charachters.");
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
[INFO] [stdout]   --> src/instruction_set.rs:23:25
[INFO] [stdout]    |
[INFO] [stdout] 23 |                   VARINTS.into_iter()
[INFO] [stdout]    |                           ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 | / make_enum_helper!(
[INFO] [stdout] 74 | | enum CommonLiteral
[INFO] [stdout] 75 | | {
[INFO] [stdout] 76 | |     Num0,
[INFO] [stdout] ...  |
[INFO] [stdout] 79 | |     // EmptyString
[INFO] [stdout] 80 | | });
[INFO] [stdout]    | |___- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout]    = note: this warning originates in the macro `make_enum_helper` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 23 |                 VARINTS.iter()
[INFO] [stdout]    |                         ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 23 |                 IntoIterator::into_iter(VARINTS)
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
[INFO] [stdout]    --> src/instruction_set.rs:23:25
[INFO] [stdout]     |
[INFO] [stdout] 23  |                   VARINTS.into_iter()
[INFO] [stdout]     |                           ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 | / make_enum_helper!(
[INFO] [stdout] 124 | | enum ReservedeRegister {
[INFO] [stdout] 125 | |     BytecodePointer,
[INFO] [stdout] 126 | |     BytecodeFuncReturn,
[INFO] [stdout] 127 | |     TrashRegister
[INFO] [stdout] 128 | | });
[INFO] [stdout]     | |___- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout]     = note: this warning originates in the macro `make_enum_helper` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 23  |                 VARINTS.iter()
[INFO] [stdout]     |                         ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 23  |                 IntoIterator::into_iter(VARINTS)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/bytecode.rs:344:33
[INFO] [stdout]     |
[INFO] [stdout] 344 |             panic!("The string '{}' is too long. Encoded string may only have 65536 charachters.");
[INFO] [stdout]     |                                 ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 344 |             panic!("The string '{}' is too long. Encoded string may only have 65536 charachters.", ...);
[INFO] [stdout]     |                                                                                                  ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 344 |             panic!("{}", "The string '{}' is too long. Encoded string may only have 65536 charachters.");
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
[INFO] [stdout]   --> src/instruction_set.rs:23:25
[INFO] [stdout]    |
[INFO] [stdout] 23 |                   VARINTS.into_iter()
[INFO] [stdout]    |                           ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 | /     make_enum_helper!(
[INFO] [stdout] 36 | |         enum TestEnumA {
[INFO] [stdout] 37 | |             A,
[INFO] [stdout] 38 | |             B,
[INFO] [stdout] 39 | |             C
[INFO] [stdout] 40 | |         }
[INFO] [stdout] 41 | |     );
[INFO] [stdout]    | |______- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout]    = note: this warning originates in the macro `make_enum_helper` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 23 |                 VARINTS.iter()
[INFO] [stdout]    |                         ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 23 |                 IntoIterator::into_iter(VARINTS)
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
[INFO] [stdout]   --> src/instruction_set.rs:23:25
[INFO] [stdout]    |
[INFO] [stdout] 23 |                   VARINTS.into_iter()
[INFO] [stdout]    |                           ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 | /     make_enum_helper!(
[INFO] [stdout] 57 | |         enum TestEnumB {
[INFO] [stdout] 58 | |             A
[INFO] [stdout] 59 | |         }
[INFO] [stdout] 60 | |     );
[INFO] [stdout]    | |______- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout]    = note: this warning originates in the macro `make_enum_helper` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 23 |                 VARINTS.iter()
[INFO] [stdout]    |                         ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 23 |                 IntoIterator::into_iter(VARINTS)
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
[INFO] [stdout]   --> src/instruction_set.rs:23:25
[INFO] [stdout]    |
[INFO] [stdout] 23 |                   VARINTS.into_iter()
[INFO] [stdout]    |                           ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 | / make_enum_helper!(
[INFO] [stdout] 74 | | enum CommonLiteral
[INFO] [stdout] 75 | | {
[INFO] [stdout] 76 | |     Num0,
[INFO] [stdout] ...  |
[INFO] [stdout] 79 | |     // EmptyString
[INFO] [stdout] 80 | | });
[INFO] [stdout]    | |___- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout]    = note: this warning originates in the macro `make_enum_helper` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 23 |                 VARINTS.iter()
[INFO] [stdout]    |                         ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 23 |                 IntoIterator::into_iter(VARINTS)
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
[INFO] [stdout]    --> src/instruction_set.rs:23:25
[INFO] [stdout]     |
[INFO] [stdout] 23  |                   VARINTS.into_iter()
[INFO] [stdout]     |                           ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 | / make_enum_helper!(
[INFO] [stdout] 124 | | enum ReservedeRegister {
[INFO] [stdout] 125 | |     BytecodePointer,
[INFO] [stdout] 126 | |     BytecodeFuncReturn,
[INFO] [stdout] 127 | |     TrashRegister
[INFO] [stdout] 128 | | });
[INFO] [stdout]     | |___- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout]     = note: this warning originates in the macro `make_enum_helper` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 23  |                 VARINTS.iter()
[INFO] [stdout]     |                         ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 23  |                 IntoIterator::into_iter(VARINTS)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.04s
[INFO] running `Command { std: "docker" "inspect" "914095bf1be17e40a726a104f302c6edb5328efdb7d2ec1bba9d3e0f71ca7f5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "914095bf1be17e40a726a104f302c6edb5328efdb7d2ec1bba9d3e0f71ca7f5b", kill_on_drop: false }`
[INFO] [stdout] 914095bf1be17e40a726a104f302c6edb5328efdb7d2ec1bba9d3e0f71ca7f5b
