[INFO] cloning repository https://github.com/chushi0/kizuna-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chushi0/kizuna-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchushi0%2Fkizuna-lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchushi0%2Fkizuna-lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 44c0bf70db5e715c52cbb7608e80ece78b94a8e3
[INFO] checking chushi0/kizuna-lang against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchushi0%2Fkizuna-lang" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/chushi0/kizuna-lang
[INFO] finished tweaking git repo https://github.com/chushi0/kizuna-lang
[INFO] tweaked toml for git repo https://github.com/chushi0/kizuna-lang written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/chushi0/kizuna-lang on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/chushi0/kizuna-lang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba7f9bba7b7bb167ce17f03c79769a3c5d46395cde87042e3f0752ccd577afb4
[INFO] running `Command { std: "docker" "start" "-a" "ba7f9bba7b7bb167ce17f03c79769a3c5d46395cde87042e3f0752ccd577afb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba7f9bba7b7bb167ce17f03c79769a3c5d46395cde87042e3f0752ccd577afb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba7f9bba7b7bb167ce17f03c79769a3c5d46395cde87042e3f0752ccd577afb4", kill_on_drop: false }`
[INFO] [stdout] ba7f9bba7b7bb167ce17f03c79769a3c5d46395cde87042e3f0752ccd577afb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce8a9e11f0715643b929d862029de0574bd716085a73e03864a669d895da8c2c
[INFO] running `Command { std: "docker" "start" "-a" "ce8a9e11f0715643b929d862029de0574bd716085a73e03864a669d895da8c2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling ena v0.14.3
[INFO] [stderr]    Compiling pico-args v0.5.0
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling snap v1.1.1
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling syn v2.0.68
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling ascii-canvas v3.0.0
[INFO] [stderr]    Compiling string_cache v0.8.7
[INFO] [stderr]    Compiling petgraph v0.6.5
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]    Compiling serde_derive v1.0.203
[INFO] [stderr]     Checking lalrpop-util v0.20.2
[INFO] [stderr]    Compiling regex v1.10.5
[INFO] [stderr]    Compiling lalrpop v0.20.2
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]    Compiling kizuna v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/kizuna-91d85a51c669510d/out/compiler/grammar.rs:3515:19
[INFO] [stdout]      |
[INFO] [stdout] 3515 |     ast::Identify(String::from_str(__0).unwrap())
[INFO] [stdout]      |                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/kizuna-91d85a51c669510d/out/compiler/grammar.rs:3529:9
[INFO] [stdout]      |
[INFO] [stdout] 3529 |         String::from_str(&s[1..s.len()-1]).unwrap()
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kizuna` (bin "kizuna") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/kizuna-91d85a51c669510d/out/compiler/grammar.rs:3515:19
[INFO] [stdout]      |
[INFO] [stdout] 3515 |     ast::Identify(String::from_str(__0).unwrap())
[INFO] [stdout]      |                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/kizuna-91d85a51c669510d/out/compiler/grammar.rs:3529:9
[INFO] [stdout]      |
[INFO] [stdout] 3529 |         String::from_str(&s[1..s.len()-1]).unwrap()
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kizuna` (bin "kizuna" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "ce8a9e11f0715643b929d862029de0574bd716085a73e03864a669d895da8c2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce8a9e11f0715643b929d862029de0574bd716085a73e03864a669d895da8c2c", kill_on_drop: false }`
[INFO] [stdout] ce8a9e11f0715643b929d862029de0574bd716085a73e03864a669d895da8c2c
