[INFO] updating cached repository https://github.com/masuke5/beige
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] [stderr] From https://github.com/masuke5/beige
[INFO] [stderr]    b07c2a0..5ea3bd9  master     -> master
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5ea3bd901141c63d917c81e4971dccee4d2ee6b3
[INFO] checking masuke5/beige against try#22dd2dd1dc07f63ae9394352d412f020d2985684 for pr-74627
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmasuke5%2Fbeige" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/masuke5/beige on toolchain 22dd2dd1dc07f63ae9394352d412f020d2985684
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "read-manifest" "--manifest-path" "Cargo.toml", 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-4/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" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9646849191c27ac1c5a9475131b162cd56eddeb2fd5768629db5238fb8674a4a
[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" "9646849191c27ac1c5a9475131b162cd56eddeb2fd5768629db5238fb8674a4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9646849191c27ac1c5a9475131b162cd56eddeb2fd5768629db5238fb8674a4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9646849191c27ac1c5a9475131b162cd56eddeb2fd5768629db5238fb8674a4a", kill_on_drop: false }`
[INFO] [stdout] 9646849191c27ac1c5a9475131b162cd56eddeb2fd5768629db5238fb8674a4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4a53750c1ed91184ce4397e2deca4192292c9e0b2f2e75fd58c1d02cbbca44e
[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" "b4a53750c1ed91184ce4397e2deca4192292c9e0b2f2e75fd58c1d02cbbca44e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.34
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking os_str_bytes v2.3.1
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking typed-arena v2.0.1
[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 itertools v0.9.0
[INFO] [stderr]    Compiling indexmap v1.4.0
[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: 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:87:5
[INFO] [stdout]    |
[INFO] [stdout] 87 |     AddF(Box<Expr>, Box<Expr>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SubF`
[INFO] [stdout]   --> src/ir.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 |     SubF(Box<Expr>, Box<Expr>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `MulF`
[INFO] [stdout]   --> src/ir.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 89 |     MulF(Box<Expr>, Box<Expr>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `DivF`
[INFO] [stdout]   --> src/ir.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 |     DivF(Box<Expr>, Box<Expr>),
[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: associated function is never used: `len`
[INFO] [stdout]   --> src/color.rs:82:8
[INFO] [stdout]    |
[INFO] [stdout] 82 |     fn len(&self) -> usize {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `move_graph`
[INFO] [stdout]    --> src/color.rs:269:5
[INFO] [stdout]     |
[INFO] [stdout] 269 |     move_graph: Graph<Temp>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `freeze_worklist`
[INFO] [stdout]    --> src/color.rs:275:5
[INFO] [stdout]     |
[INFO] [stdout] 275 |     freeze_worklist: Vec<(Temp, Temp)>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_interference`
[INFO] [stdout]    --> src/color.rs:306:8
[INFO] [stdout]     |
[INFO] [stdout] 306 |     fn is_interference(&self, a: Temp, b: Temp) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `freeze`
[INFO] [stdout]    --> src/color.rs:364:8
[INFO] [stdout]     |
[INFO] [stdout] 364 |     fn freeze(&mut self) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `select_spill`
[INFO] [stdout]    --> src/color.rs:368:8
[INFO] [stdout]     |
[INFO] [stdout] 368 |     fn select_spill(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `REG_PRIORITY`
[INFO] [stdout]   --> src/x64codegen.rs:49:1
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub const REG_PRIORITY: [u32; 16] = [1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0];
[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:87:5
[INFO] [stdout]    |
[INFO] [stdout] 87 |     AddF(Box<Expr>, Box<Expr>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SubF`
[INFO] [stdout]   --> src/ir.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 |     SubF(Box<Expr>, Box<Expr>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `MulF`
[INFO] [stdout]   --> src/ir.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 89 |     MulF(Box<Expr>, Box<Expr>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `DivF`
[INFO] [stdout]   --> src/ir.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 |     DivF(Box<Expr>, Box<Expr>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]   --> src/color.rs:82:8
[INFO] [stdout]    |
[INFO] [stdout] 82 |     fn len(&self) -> usize {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `move_graph`
[INFO] [stdout]    --> src/color.rs:269:5
[INFO] [stdout]     |
[INFO] [stdout] 269 |     move_graph: Graph<Temp>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `freeze_worklist`
[INFO] [stdout]    --> src/color.rs:275:5
[INFO] [stdout]     |
[INFO] [stdout] 275 |     freeze_worklist: Vec<(Temp, Temp)>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_interference`
[INFO] [stdout]    --> src/color.rs:306:8
[INFO] [stdout]     |
[INFO] [stdout] 306 |     fn is_interference(&self, a: Temp, b: Temp) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `freeze`
[INFO] [stdout]    --> src/color.rs:364:8
[INFO] [stdout]     |
[INFO] [stdout] 364 |     fn freeze(&mut self) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `select_spill`
[INFO] [stdout]    --> src/color.rs:368:8
[INFO] [stdout]     |
[INFO] [stdout] 368 |     fn select_spill(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `REG_PRIORITY`
[INFO] [stdout]   --> src/x64codegen.rs:49:1
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub const REG_PRIORITY: [u32; 16] = [1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0];
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.42s
[INFO] running `Command { std: "docker" "inspect" "b4a53750c1ed91184ce4397e2deca4192292c9e0b2f2e75fd58c1d02cbbca44e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4a53750c1ed91184ce4397e2deca4192292c9e0b2f2e75fd58c1d02cbbca44e", kill_on_drop: false }`
[INFO] [stdout] b4a53750c1ed91184ce4397e2deca4192292c9e0b2f2e75fd58c1d02cbbca44e