[INFO] cloning repository https://github.com/mattwparas/rucket
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mattwparas/rucket" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattwparas%2Frucket", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattwparas%2Frucket'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4d32717c8a00c2c7bc418867b05f49e5583fc670
[INFO] checking mattwparas/rucket against master#8cfaf70c320297dd1831a12351fcfeab7a231328 for pr-115538
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattwparas%2Frucket" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mattwparas/rucket on toolchain 8cfaf70c320297dd1831a12351fcfeab7a231328
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8cfaf70c320297dd1831a12351fcfeab7a231328" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mattwparas/rucket
[INFO] finished tweaking git repo https://github.com/mattwparas/rucket
[INFO] tweaked toml for git repo https://github.com/mattwparas/rucket written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mattwparas/rucket 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" "+8cfaf70c320297dd1831a12351fcfeab7a231328" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded toml v0.7.1
[INFO] [stderr]   Downloaded cranelift-entity v0.84.0
[INFO] [stderr]   Downloaded cranelift-bforest v0.84.0
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[INFO] [stderr]   Downloaded wezterm-dynamic-derive v0.1.0
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[INFO] [stderr]   Downloaded wezterm-color-types v0.2.0
[INFO] [stderr]   Downloaded serial-windows v0.4.0
[INFO] [stderr]   Downloaded cranelift-frontend v0.84.0
[INFO] [stderr]   Downloaded async-ffi v0.4.1
[INFO] [stderr]   Downloaded cranelift-jit v0.84.0
[INFO] [stderr]   Downloaded portable-pty v0.8.1
[INFO] [stderr]   Downloaded codegen v0.2.0
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.84.0
[INFO] [stderr]   Downloaded coolor v0.5.0
[INFO] [stderr]   Downloaded wezterm-bidi v0.2.2
[INFO] [stderr]   Downloaded regalloc2 v0.1.3
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.84.0
[INFO] [stderr]   Downloaded termwiz v0.20.0
[INFO] [stderr]   Downloaded deltae v0.3.1
[INFO] [stderr]   Downloaded cranelift-codegen v0.84.0
[INFO] [stderr]   Downloaded termimad v0.21.0
[INFO] [stderr]   Downloaded im-lists v0.4.0
[INFO] [stderr]   Downloaded toml_edit v0.19.2
[INFO] [stderr]   Downloaded cranelift-module v0.84.0
[INFO] [stderr]   Downloaded cranelift v0.84.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:8d77639b970c52ec67607038b3ec48894629de24504b62a68269497566821cc0" "/opt/rustwide/cargo-home/bin/cargo" "+8cfaf70c320297dd1831a12351fcfeab7a231328" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b65897c01b228a73991924e82845d6ae0f5552e74cedb4b50eafa1e9cd10bf45
[INFO] running `Command { std: "docker" "start" "-a" "b65897c01b228a73991924e82845d6ae0f5552e74cedb4b50eafa1e9cd10bf45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b65897c01b228a73991924e82845d6ae0f5552e74cedb4b50eafa1e9cd10bf45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b65897c01b228a73991924e82845d6ae0f5552e74cedb4b50eafa1e9cd10bf45", kill_on_drop: false }`
[INFO] [stdout] b65897c01b228a73991924e82845d6ae0f5552e74cedb4b50eafa1e9cd10bf45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "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@sha256:8d77639b970c52ec67607038b3ec48894629de24504b62a68269497566821cc0" "/opt/rustwide/cargo-home/bin/cargo" "+8cfaf70c320297dd1831a12351fcfeab7a231328" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af0d0a04a4a9c33ff81eefdd4bdc2f2c31569ea76f6a1e8182ab1b1f7e4dee98
[INFO] running `Command { std: "docker" "start" "-a" "af0d0a04a4a9c33ff81eefdd4bdc2f2c31569ea76f6a1e8182ab1b1f7e4dee98", 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] [stderr]    Compiling proc-macro2 v1.0.60
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[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking steel-gen v0.2.0 (/opt/rustwide/workdir/crates/steel-gen)
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking ciborium v0.2.0
[INFO] [stderr]     Checking serde_spanned v0.6.1
[INFO] [stderr]     Checking toml_datetime v0.6.1
[INFO] [stderr]     Checking serde_path_to_error v0.1.9
[INFO] [stderr]     Checking cargo-platform v0.1.2
[INFO] [stderr]     Checking toml_edit v0.19.2
[INFO] [stderr]     Checking lasso v0.6.0
[INFO] [stderr]    Compiling steel-core v0.5.0 (/opt/rustwide/workdir/crates/steel-core)
[INFO] [stderr]     Checking abi_stable v0.11.1
[INFO] [stderr]     Checking ureq v2.6.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking cargo_metadata v0.15.3
[INFO] [stderr]     Checking criterion v0.4.0
[INFO] [stderr]     Checking steel-parser v0.4.0 (/opt/rustwide/workdir/crates/steel-parser)
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking toml v0.7.1
[INFO] [stderr]     Checking cargo-steel-lib v0.1.0 (/opt/rustwide/workdir/crates/cargo-steel-lib)
[INFO] [stderr]     Checking hyper v0.14.24
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.14
[INFO] [stderr]     Checking async-ffi v0.4.1
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> crates/steel-core/src/compiler/passes/analysis.rs:377:13
[INFO] [stdout]     |
[INFO] [stdout] 377 |         let mut existing = self.info.get_mut(&object.syntax_object_id).unwrap();
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> crates/steel-core/src/compiler/passes/analysis.rs:1466:29
[INFO] [stdout]      |
[INFO] [stdout] 1466 |                 if let Some(mut var) = self.info.get_mut(&id) {
[INFO] [stdout]      |                             ----^^^
[INFO] [stdout]      |                             |
[INFO] [stdout]      |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking steel-doc v0.5.0 (/opt/rustwide/workdir/crates/steel-doc)
[INFO] [stderr]     Checking steel-repl v0.5.0 (/opt/rustwide/workdir/crates/steel-repl)
[INFO] [stderr]     Checking steel-pty v0.1.0 (/opt/rustwide/workdir/crates/steel-pty)
[INFO] [stderr]     Checking steel-webserver v0.1.0 (/opt/rustwide/workdir/crates/steel-webserver)
[INFO] [stderr]     Checking example-dylib v0.2.0 (/opt/rustwide/workdir/crates/example-dylib)
[INFO] [stderr]     Checking steel-toml v0.5.0 (/opt/rustwide/workdir/crates/steel-toml)
[INFO] [stderr]     Checking steel-sys-info v0.5.0 (/opt/rustwide/workdir/crates/steel-sys-info)
[INFO] [stdout] warning: unused import: `StreamExt`
[INFO] [stdout]   --> crates/steel-pty/src/lib.rs:50:39
[INFO] [stdout]    |
[INFO] [stdout] 50 | use futures::{lock::Mutex, FutureExt, StreamExt};
[INFO] [stdout]    |                                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `StreamExt`
[INFO] [stdout]   --> crates/steel-pty/src/lib.rs:50:39
[INFO] [stdout]    |
[INFO] [stdout] 50 | use futures::{lock::Mutex, FutureExt, StreamExt};
[INFO] [stdout]    |                                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pty_system` is never read
[INFO] [stdout]   --> crates/steel-pty/src/lib.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | struct PtyProcess {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pty_system: PtyPair,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TermAction` is never constructed
[INFO] [stdout]   --> crates/steel-pty/src/lib.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | struct TermAction(Action);
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pty_system` is never read
[INFO] [stdout]   --> crates/steel-pty/src/lib.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | struct PtyProcess {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pty_system: PtyPair,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TermAction` is never constructed
[INFO] [stdout]   --> crates/steel-pty/src/lib.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | struct TermAction(Action);
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking steel-interpreter v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> crates/steel-core/src/compiler/passes/analysis.rs:377:13
[INFO] [stdout]     |
[INFO] [stdout] 377 |         let mut existing = self.info.get_mut(&object.syntax_object_id).unwrap();
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> crates/steel-core/src/compiler/passes/analysis.rs:1466:29
[INFO] [stdout]      |
[INFO] [stdout] 1466 |                 if let Some(mut var) = self.info.get_mut(&id) {
[INFO] [stdout]      |                             ----^^^
[INFO] [stdout]      |                             |
[INFO] [stdout]      |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.21s
[INFO] running `Command { std: "docker" "inspect" "af0d0a04a4a9c33ff81eefdd4bdc2f2c31569ea76f6a1e8182ab1b1f7e4dee98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af0d0a04a4a9c33ff81eefdd4bdc2f2c31569ea76f6a1e8182ab1b1f7e4dee98", kill_on_drop: false }`
[INFO] [stdout] af0d0a04a4a9c33ff81eefdd4bdc2f2c31569ea76f6a1e8182ab1b1f7e4dee98