[INFO] cloning repository https://github.com/dave-nachman/bytelang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dave-nachman/bytelang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdave-nachman%2Fbytelang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdave-nachman%2Fbytelang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f4e786c67b57e3cd5cbc287a0e458ea0ab92476e
[INFO] checking dave-nachman/bytelang against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdave-nachman%2Fbytelang" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dave-nachman/bytelang on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dave-nachman/bytelang
[INFO] finished tweaking git repo https://github.com/dave-nachman/bytelang
[INFO] tweaked toml for git repo https://github.com/dave-nachman/bytelang written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/dave-nachman/bytelang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lalrpop-util v0.15.2
[INFO] [stderr]   Downloaded lalrpop v0.15.2
[INFO] [stderr]   Downloaded lalrpop-snap v0.15.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f22f45b94841b469518cb5061d90052d88fa50df994c889c5ed5d81e2999710
[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" "2f22f45b94841b469518cb5061d90052d88fa50df994c889c5ed5d81e2999710", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f22f45b94841b469518cb5061d90052d88fa50df994c889c5ed5d81e2999710", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f22f45b94841b469518cb5061d90052d88fa50df994c889c5ed5d81e2999710", kill_on_drop: false }`
[INFO] [stdout] 2f22f45b94841b469518cb5061d90052d88fa50df994c889c5ed5d81e2999710
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ad8ee762ae1f6d9bfdada75013e3d6dabc677f3590c071771ec9db8f15e4919
[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" "1ad8ee762ae1f6d9bfdada75013e3d6dabc677f3590c071771ec9db8f15e4919", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]    Compiling ucd-util v0.1.5
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling bit-vec v0.4.4
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.3
[INFO] [stderr]    Compiling diff v0.1.11
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling ena v0.5.0
[INFO] [stderr]    Compiling lalrpop-util v0.15.2
[INFO] [stderr]    Compiling regex-syntax v0.4.2
[INFO] [stderr]    Compiling byte-tools v0.2.0
[INFO] [stderr]    Compiling arrayref v0.3.5
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling bit-set v0.4.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling block-buffer v0.3.3
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling ascii-canvas v1.0.0
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling atty v0.1.2
[INFO] [stderr]    Compiling generic-array v0.9.0
[INFO] [stderr]    Compiling digest v0.7.6
[INFO] [stderr]    Compiling sha2 v0.7.1
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]    Compiling lalrpop-snap v0.15.2
[INFO] [stderr]    Compiling docopt v0.8.3
[INFO] [stderr]    Compiling lalrpop v0.15.2
[INFO] [stderr]    Compiling bytelang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> src/parser.rs:3887:5
[INFO] [stdout]      |
[INFO] [stdout] 3887 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> src/parser.rs:3898:5
[INFO] [stdout]      |
[INFO] [stdout] 3898 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> src/parser.rs:3909:5
[INFO] [stdout]      |
[INFO] [stdout] 3909 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> src/parser.rs:3920:5
[INFO] [stdout]      |
[INFO] [stdout] 3920 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> src/parser.rs:3931:5
[INFO] [stdout]      |
[INFO] [stdout] 3931 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> src/parser.rs:3942:5
[INFO] [stdout]      |
[INFO] [stdout] 3942 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> src/parser.rs:3966:5
[INFO] [stdout]      |
[INFO] [stdout] 3966 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> src/parser.rs:3977:5
[INFO] [stdout]      |
[INFO] [stdout] 3977 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> src/parser.rs:4023:5
[INFO] [stdout]      |
[INFO] [stdout] 4023 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> src/parser.rs:4128:5
[INFO] [stdout]      |
[INFO] [stdout] 4128 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> src/parser.rs:4141:5
[INFO] [stdout]      |
[INFO] [stdout] 4141 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> src/parser.rs:3887:5
[INFO] [stdout]      |
[INFO] [stdout] 3887 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> src/parser.rs:3898:5
[INFO] [stdout]      |
[INFO] [stdout] 3898 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> src/parser.rs:3909:5
[INFO] [stdout]      |
[INFO] [stdout] 3909 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> src/parser.rs:3920:5
[INFO] [stdout]      |
[INFO] [stdout] 3920 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> src/parser.rs:3931:5
[INFO] [stdout]      |
[INFO] [stdout] 3931 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> src/parser.rs:3942:5
[INFO] [stdout]      |
[INFO] [stdout] 3942 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> src/parser.rs:3966:5
[INFO] [stdout]      |
[INFO] [stdout] 3966 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> src/parser.rs:3977:5
[INFO] [stdout]      |
[INFO] [stdout] 3977 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> src/parser.rs:4023:5
[INFO] [stdout]      |
[INFO] [stdout] 4023 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> src/parser.rs:4128:5
[INFO] [stdout]      |
[INFO] [stdout] 4128 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> src/parser.rs:4141:5
[INFO] [stdout]      |
[INFO] [stdout] 4141 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left`: superseded by `trim_start`
[INFO] [stdout]     --> src/parser.rs:3840:36
[INFO] [stdout]      |
[INFO] [stdout] 3840 |             let __text = self.text.trim_left();
[INFO] [stdout]      |                                    ^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left`: superseded by `trim_start`
[INFO] [stdout]     --> src/parser.rs:3840:36
[INFO] [stdout]      |
[INFO] [stdout] 3840 |             let __text = self.text.trim_left();
[INFO] [stdout]      |                                    ^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 44s
[INFO] running `Command { std: "docker" "inspect" "1ad8ee762ae1f6d9bfdada75013e3d6dabc677f3590c071771ec9db8f15e4919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ad8ee762ae1f6d9bfdada75013e3d6dabc677f3590c071771ec9db8f15e4919", kill_on_drop: false }`
[INFO] [stdout] 1ad8ee762ae1f6d9bfdada75013e3d6dabc677f3590c071771ec9db8f15e4919