[INFO] fetching crate retro 0.1.1...
[INFO] testing retro-0.1.1 against 1.76.0 for beta-1.77-1
[INFO] extracting crate retro 0.1.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate retro 0.1.1 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate retro 0.1.1
[INFO] finished tweaking crates.io crate retro 0.1.1
[INFO] tweaked toml for crates.io crate retro 0.1.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded encode_unicode v0.1.3
[INFO] [stderr]   Downloaded rustyline v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec4ca05c6b9ca82384385e61036f9f93f6a471c3e79845ae0483b6abfbdde66b
[INFO] running `Command { std: "docker" "start" "-a" "ec4ca05c6b9ca82384385e61036f9f93f6a471c3e79845ae0483b6abfbdde66b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec4ca05c6b9ca82384385e61036f9f93f6a471c3e79845ae0483b6abfbdde66b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec4ca05c6b9ca82384385e61036f9f93f6a471c3e79845ae0483b6abfbdde66b", kill_on_drop: false }`
[INFO] [stdout] ec4ca05c6b9ca82384385e61036f9f93f6a471c3e79845ae0483b6abfbdde66b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 192db91feac7a9933f1cf2318932c036e8b5aed0b8200f1196db5e7ad5121210
[INFO] running `Command { std: "docker" "start" "-a" "192db91feac7a9933f1cf2318932c036e8b5aed0b8200f1196db5e7ad5121210", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling encode_unicode v0.1.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling nix v0.5.1
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling rustyline v1.0.0
[INFO] [stderr]    Compiling retro v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:123:17
[INFO] [stdout]     |
[INFO] [stdout] 123 |     (cvt(self.h): w16) << 8 | (cvt(self.l): w16)
[INFO] [stdout]     |                 ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:123:43
[INFO] [stdout]     |
[INFO] [stdout] 123 |     (cvt(self.h): w16) << 8 | (cvt(self.l): w16)
[INFO] [stdout]     |                                           ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:131:17
[INFO] [stdout]     |
[INFO] [stdout] 131 |     (cvt(self.b): w16) << 8 | (cvt(self.c): w16)
[INFO] [stdout]     |                 ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:131:43
[INFO] [stdout]     |
[INFO] [stdout] 131 |     (cvt(self.b): w16) << 8 | (cvt(self.c): w16)
[INFO] [stdout]     |                                           ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:139:17
[INFO] [stdout]     |
[INFO] [stdout] 139 |     (cvt(self.d): w16) << 8 | (cvt(self.e): w16)
[INFO] [stdout]     |                 ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:139:43
[INFO] [stdout]     |
[INFO] [stdout] 139 |     (cvt(self.d): w16) << 8 | (cvt(self.e): w16)
[INFO] [stdout]     |                                           ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `.`, `;`, `?`, `}`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:142:26
[INFO] [stdout]     |
[INFO] [stdout] 142 |     self.d = cvt(to >> 8): w8;
[INFO] [stdout]     |                          ^ expected one of `.`, `;`, `?`, `}`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `.`, `;`, `?`, `}`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:224:25
[INFO] [stdout]     |
[INFO] [stdout] 224 |     cvt(self.read8(idx)): w16
[INFO] [stdout]     |                         ^ expected one of `.`, `;`, `?`, `}`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:312:20
[INFO] [stdout]     |
[INFO] [stdout] 312 |         (cvt(upper): w16) << 8 | cvt(lower): w16
[INFO] [stdout]     |                    ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `.`, `;`, `?`, `}`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:312:44
[INFO] [stdout]     |
[INFO] [stdout] 312 |         (cvt(upper): w16) << 8 | cvt(lower): w16
[INFO] [stdout]     |                                            ^ expected one of `.`, `;`, `?`, `}`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(type_ascription)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 11 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `retro` (bin "retro") due to 12 previous errors
[INFO] running `Command { std: "docker" "inspect" "192db91feac7a9933f1cf2318932c036e8b5aed0b8200f1196db5e7ad5121210", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "192db91feac7a9933f1cf2318932c036e8b5aed0b8200f1196db5e7ad5121210", kill_on_drop: false }`
[INFO] [stdout] 192db91feac7a9933f1cf2318932c036e8b5aed0b8200f1196db5e7ad5121210
[INFO] testing retro-0.1.1 against beta-2024-02-10 for beta-1.77-1
[INFO] extracting crate retro 0.1.1 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate retro 0.1.1 on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate retro 0.1.1
[INFO] finished tweaking crates.io crate retro 0.1.1
[INFO] tweaked toml for crates.io crate retro 0.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ea0606147d2c600944ac3466e9927dd45e70054e8d008702552e7da16b4d334
[INFO] running `Command { std: "docker" "start" "-a" "2ea0606147d2c600944ac3466e9927dd45e70054e8d008702552e7da16b4d334", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ea0606147d2c600944ac3466e9927dd45e70054e8d008702552e7da16b4d334", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ea0606147d2c600944ac3466e9927dd45e70054e8d008702552e7da16b4d334", kill_on_drop: false }`
[INFO] [stdout] 2ea0606147d2c600944ac3466e9927dd45e70054e8d008702552e7da16b4d334
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0f9e58f5460851d087a731484274af5930a9b31176a8857a30d4bdb8b964763
[INFO] running `Command { std: "docker" "start" "-a" "c0f9e58f5460851d087a731484274af5930a9b31176a8857a30d4bdb8b964763", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling encode_unicode v0.1.3
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling nix v0.5.1
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling rustyline v1.0.0
[INFO] [stderr]    Compiling retro v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:123:17
[INFO] [stdout]     |
[INFO] [stdout] 123 |     (cvt(self.h): w16) << 8 | (cvt(self.l): w16)
[INFO] [stdout]     |                 ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:123:43
[INFO] [stdout]     |
[INFO] [stdout] 123 |     (cvt(self.h): w16) << 8 | (cvt(self.l): w16)
[INFO] [stdout]     |                                           ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:131:17
[INFO] [stdout]     |
[INFO] [stdout] 131 |     (cvt(self.b): w16) << 8 | (cvt(self.c): w16)
[INFO] [stdout]     |                 ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:131:43
[INFO] [stdout]     |
[INFO] [stdout] 131 |     (cvt(self.b): w16) << 8 | (cvt(self.c): w16)
[INFO] [stdout]     |                                           ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:139:17
[INFO] [stdout]     |
[INFO] [stdout] 139 |     (cvt(self.d): w16) << 8 | (cvt(self.e): w16)
[INFO] [stdout]     |                 ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:139:43
[INFO] [stdout]     |
[INFO] [stdout] 139 |     (cvt(self.d): w16) << 8 | (cvt(self.e): w16)
[INFO] [stdout]     |                                           ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `.`, `;`, `?`, `}`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:142:26
[INFO] [stdout]     |
[INFO] [stdout] 142 |     self.d = cvt(to >> 8): w8;
[INFO] [stdout]     |                          ^ expected one of `.`, `;`, `?`, `}`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `.`, `;`, `?`, `}`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:224:25
[INFO] [stdout]     |
[INFO] [stdout] 224 |     cvt(self.read8(idx)): w16
[INFO] [stdout]     |                         ^ expected one of `.`, `;`, `?`, `}`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:312:20
[INFO] [stdout]     |
[INFO] [stdout] 312 |         (cvt(upper): w16) << 8 | cvt(lower): w16
[INFO] [stdout]     |                    ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `.`, `;`, `?`, `}`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:312:44
[INFO] [stdout]     |
[INFO] [stdout] 312 |         (cvt(upper): w16) << 8 | cvt(lower): w16
[INFO] [stdout]     |                                            ^ expected one of `.`, `;`, `?`, `}`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(type_ascription)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 11 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `retro` (bin "retro") due to 12 previous errors
[INFO] running `Command { std: "docker" "inspect" "c0f9e58f5460851d087a731484274af5930a9b31176a8857a30d4bdb8b964763", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0f9e58f5460851d087a731484274af5930a9b31176a8857a30d4bdb8b964763", kill_on_drop: false }`
[INFO] [stdout] c0f9e58f5460851d087a731484274af5930a9b31176a8857a30d4bdb8b964763
