[INFO] cloning repository https://github.com/masuke5/beige
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/masuke5/beige" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmasuke5%2Fbeige", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmasuke5%2Fbeige'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ba2904b796b680b887475e3905e62374d97afde0
[INFO] checking masuke5/beige against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmasuke5%2Fbeige" "/workspace/builds/worker-109/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-109/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/masuke5/beige on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/masuke5/beige
[INFO] finished tweaking git repo https://github.com/masuke5/beige
[INFO] tweaked toml for git repo https://github.com/masuke5/beige written to /workspace/builds/worker-109/source/Cargo.toml
[INFO] crate git repo https://github.com/masuke5/beige already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d93a83b91d5bc9eac06fbe84a16b8ac41e4411b37a65a222538e1ffb232e171
[INFO] running `Command { std: "docker" "start" "-a" "3d93a83b91d5bc9eac06fbe84a16b8ac41e4411b37a65a222538e1ffb232e171", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d93a83b91d5bc9eac06fbe84a16b8ac41e4411b37a65a222538e1ffb232e171", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d93a83b91d5bc9eac06fbe84a16b8ac41e4411b37a65a222538e1ffb232e171", kill_on_drop: false }`
[INFO] [stdout] 3d93a83b91d5bc9eac06fbe84a16b8ac41e4411b37a65a222538e1ffb232e171
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e46f263126ff427669777ff2fbb37dfbe018646e705f679e0acbb3922230f5b2
[INFO] running `Command { std: "docker" "start" "-a" "e46f263126ff427669777ff2fbb37dfbe018646e705f679e0acbb3922230f5b2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.34
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking os_str_bytes v2.3.1
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling indexmap v1.4.0
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.1
[INFO] [stderr]     Checking clap v3.0.0-beta.1
[INFO] [stderr]     Checking beige v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/dbgcodegen.rs:458:10
[INFO] [stdout]     |
[INFO] [stdout] 458 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/dbgcodegen.rs:468:10
[INFO] [stdout]     |
[INFO] [stdout] 468 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/x64codegen.rs:605:10
[INFO] [stdout]     |
[INFO] [stdout] 605 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/x64codegen.rs:615:10
[INFO] [stdout]     |
[INFO] [stdout] 615 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/dbgcodegen.rs:458:10
[INFO] [stdout]     |
[INFO] [stdout] 458 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/dbgcodegen.rs:468:10
[INFO] [stdout]     |
[INFO] [stdout] 468 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/x64codegen.rs:605:10
[INFO] [stdout]     |
[INFO] [stdout] 605 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/x64codegen.rs:615:10
[INFO] [stdout]     |
[INFO] [stdout] 615 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove`
[INFO] [stdout]   --> src/graph.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn remove(&mut self, value: &T) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `undirected_edges`
[INFO] [stdout]   --> src/graph.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn undirected_edges(&self) -> impl Iterator<Item = &(T, T)> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `AddF`
[INFO] [stdout]   --> src/ir.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 91 |     AddF(Box<Expr>, Box<Expr>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SubF`
[INFO] [stdout]   --> src/ir.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 92 |     SubF(Box<Expr>, Box<Expr>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `MulF`
[INFO] [stdout]   --> src/ir.rs:93:5
[INFO] [stdout]    |
[INFO] [stdout] 93 |     MulF(Box<Expr>, Box<Expr>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `DivF`
[INFO] [stdout]   --> src/ir.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 94 |     DivF(Box<Expr>, Box<Expr>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `unique`
[INFO] [stdout]   --> src/ty.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 |     unique: UniqueGenerator,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_unique`
[INFO] [stdout]   --> src/ty.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn new_unique(&mut self) -> Unique {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `List`
[INFO] [stdout]    --> src/ty.rs:177:5
[INFO] [stdout]     |
[INFO] [stdout] 177 |     List,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `current_level`
[INFO] [stdout]   --> src/lexer.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     current_level: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove`
[INFO] [stdout]   --> src/graph.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn remove(&mut self, value: &T) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `undirected_edges`
[INFO] [stdout]   --> src/graph.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn undirected_edges(&self) -> impl Iterator<Item = &(T, T)> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `AddF`
[INFO] [stdout]   --> src/ir.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 91 |     AddF(Box<Expr>, Box<Expr>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SubF`
[INFO] [stdout]   --> src/ir.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 92 |     SubF(Box<Expr>, Box<Expr>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `MulF`
[INFO] [stdout]   --> src/ir.rs:93:5
[INFO] [stdout]    |
[INFO] [stdout] 93 |     MulF(Box<Expr>, Box<Expr>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `DivF`
[INFO] [stdout]   --> src/ir.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 94 |     DivF(Box<Expr>, Box<Expr>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `current_level`
[INFO] [stdout]   --> src/lexer.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     current_level: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `Command { std: "docker" "inspect" "e46f263126ff427669777ff2fbb37dfbe018646e705f679e0acbb3922230f5b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e46f263126ff427669777ff2fbb37dfbe018646e705f679e0acbb3922230f5b2", kill_on_drop: false }`
[INFO] [stdout] e46f263126ff427669777ff2fbb37dfbe018646e705f679e0acbb3922230f5b2