[INFO] cloning repository https://github.com/oyas/rust-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/oyas/rust-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foyas%2Frust-lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foyas%2Frust-lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2ff9a1d5bd39b503a169e683f61d3495f4bdc4f3
[INFO] checking oyas/rust-lang against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foyas%2Frust-lang" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/oyas/rust-lang on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/oyas/rust-lang
[INFO] finished tweaking git repo https://github.com/oyas/rust-lang
[INFO] tweaked toml for git repo https://github.com/oyas/rust-lang written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/oyas/rust-lang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9002715e03072632776e901ab06c2d3a4b2d7cfb1d96f7c42ff31da5b5f24c0a
[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" "9002715e03072632776e901ab06c2d3a4b2d7cfb1d96f7c42ff31da5b5f24c0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9002715e03072632776e901ab06c2d3a4b2d7cfb1d96f7c42ff31da5b5f24c0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9002715e03072632776e901ab06c2d3a4b2d7cfb1d96f7c42ff31da5b5f24c0a", kill_on_drop: false }`
[INFO] [stdout] 9002715e03072632776e901ab06c2d3a4b2d7cfb1d96f7c42ff31da5b5f24c0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5529588259a38d48956a7146f41a8ea013cce412b9f6abb1b6d5e4d19be3742c
[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" "5529588259a38d48956a7146f41a8ea013cce412b9f6abb1b6d5e4d19be3742c", kill_on_drop: false }`
[INFO] [stderr]     Checking rustlang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message contains a brace
[INFO] [stdout]    --> src/parser/parser.rs:229:79
[INFO] [stdout]     |
[INFO] [stdout] 229 |                     _ => panic!("Invalid syntax: operator 'if' couldn't find '{' token."),
[INFO] [stdout]     |                                                                               ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(panic_fmt)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string, but will be in a future Rust edition
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 229 |                     _ => panic!("{}", "Invalid syntax: operator 'if' couldn't find '{' token."),
[INFO] [stdout]     |                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains a brace
[INFO] [stdout]    --> src/parser/parser.rs:231:78
[INFO] [stdout]     |
[INFO] [stdout] 231 |                 None => panic!("Invalid syntax: operator 'if' couldn't find '{' token."),
[INFO] [stdout]     |                                                                              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string, but will be in a future Rust edition
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 231 |                 None => panic!("{}", "Invalid syntax: operator 'if' couldn't find '{' token."),
[INFO] [stdout]     |                                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains a brace
[INFO] [stdout]    --> src/parser/parser.rs:256:80
[INFO] [stdout]     |
[INFO] [stdout] 256 |                     _ => panic!("Invalid syntax: operator 'for' couldn't find '{' token."),
[INFO] [stdout]     |                                                                                ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string, but will be in a future Rust edition
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 256 |                     _ => panic!("{}", "Invalid syntax: operator 'for' couldn't find '{' token."),
[INFO] [stdout]     |                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains a brace
[INFO] [stdout]    --> src/parser/parser.rs:258:79
[INFO] [stdout]     |
[INFO] [stdout] 258 |                 None => panic!("Invalid syntax: operator 'for' couldn't find '{' token."),
[INFO] [stdout]     |                                                                               ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string, but will be in a future Rust edition
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 258 |                 None => panic!("{}", "Invalid syntax: operator 'for' couldn't find '{' token."),
[INFO] [stdout]     |                                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains a brace
[INFO] [stdout]    --> src/parser/parser.rs:272:80
[INFO] [stdout]     |
[INFO] [stdout] 272 |                     _ => panic!("Invalid syntax: operator 'fun' couldn't find '{' token."),
[INFO] [stdout]     |                                                                                ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string, but will be in a future Rust edition
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 272 |                     _ => panic!("{}", "Invalid syntax: operator 'fun' couldn't find '{' token."),
[INFO] [stdout]     |                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains a brace
[INFO] [stdout]    --> src/parser/parser.rs:274:77
[INFO] [stdout]     |
[INFO] [stdout] 274 |                 None => panic!("Invalid syntax: symbol 'fun' couldn't find '{' token."),
[INFO] [stdout]     |                                                                             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string, but will be in a future Rust edition
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 274 |                 None => panic!("{}", "Invalid syntax: symbol 'fun' couldn't find '{' token."),
[INFO] [stdout]     |                                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains a brace
[INFO] [stdout]    --> src/parser/parser.rs:229:79
[INFO] [stdout]     |
[INFO] [stdout] 229 |                     _ => panic!("Invalid syntax: operator 'if' couldn't find '{' token."),
[INFO] [stdout]     |                                                                               ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(panic_fmt)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string, but will be in a future Rust edition
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 229 |                     _ => panic!("{}", "Invalid syntax: operator 'if' couldn't find '{' token."),
[INFO] [stdout]     |                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains a brace
[INFO] [stdout]    --> src/parser/parser.rs:231:78
[INFO] [stdout]     |
[INFO] [stdout] 231 |                 None => panic!("Invalid syntax: operator 'if' couldn't find '{' token."),
[INFO] [stdout]     |                                                                              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string, but will be in a future Rust edition
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 231 |                 None => panic!("{}", "Invalid syntax: operator 'if' couldn't find '{' token."),
[INFO] [stdout]     |                                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains a brace
[INFO] [stdout]    --> src/parser/parser.rs:256:80
[INFO] [stdout]     |
[INFO] [stdout] 256 |                     _ => panic!("Invalid syntax: operator 'for' couldn't find '{' token."),
[INFO] [stdout]     |                                                                                ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string, but will be in a future Rust edition
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 256 |                     _ => panic!("{}", "Invalid syntax: operator 'for' couldn't find '{' token."),
[INFO] [stdout]     |                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains a brace
[INFO] [stdout]    --> src/parser/parser.rs:258:79
[INFO] [stdout]     |
[INFO] [stdout] 258 |                 None => panic!("Invalid syntax: operator 'for' couldn't find '{' token."),
[INFO] [stdout]     |                                                                               ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string, but will be in a future Rust edition
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 258 |                 None => panic!("{}", "Invalid syntax: operator 'for' couldn't find '{' token."),
[INFO] [stdout]     |                                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains a brace
[INFO] [stdout]    --> src/parser/parser.rs:272:80
[INFO] [stdout]     |
[INFO] [stdout] 272 |                     _ => panic!("Invalid syntax: operator 'fun' couldn't find '{' token."),
[INFO] [stdout]     |                                                                                ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string, but will be in a future Rust edition
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 272 |                     _ => panic!("{}", "Invalid syntax: operator 'fun' couldn't find '{' token."),
[INFO] [stdout]     |                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains a brace
[INFO] [stdout]    --> src/parser/parser.rs:274:77
[INFO] [stdout]     |
[INFO] [stdout] 274 |                 None => panic!("Invalid syntax: symbol 'fun' couldn't find '{' token."),
[INFO] [stdout]     |                                                                             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string, but will be in a future Rust edition
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 274 |                 None => panic!("{}", "Invalid syntax: symbol 'fun' couldn't find '{' token."),
[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 1.64s
[INFO] running `Command { std: "docker" "inspect" "5529588259a38d48956a7146f41a8ea013cce412b9f6abb1b6d5e4d19be3742c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5529588259a38d48956a7146f41a8ea013cce412b9f6abb1b6d5e4d19be3742c", kill_on_drop: false }`
[INFO] [stdout] 5529588259a38d48956a7146f41a8ea013cce412b9f6abb1b6d5e4d19be3742c