[INFO] fetching crate crb-morph 0.0.23...
[INFO] checking crb-morph-0.0.23 against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] extracting crate crb-morph 0.0.23 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate crb-morph 0.0.23
[INFO] finished tweaking crates.io crate crb-morph 0.0.23
[INFO] tweaked toml for crates.io crate crb-morph 0.0.23 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate crb-morph 0.0.23 on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 82 packages to latest compatible versions
[INFO] [stderr]       Adding crb-core v0.0.23 (available: v0.0.38)
[INFO] [stderr]       Adding crb-runtime v0.0.23 (available: v0.0.38)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26f7fd170a05999dbf6780569f0963a124bde5a58a98c036bbcfed7695610441
[INFO] running `Command { std: "docker" "start" "-a" "26f7fd170a05999dbf6780569f0963a124bde5a58a98c036bbcfed7695610441", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26f7fd170a05999dbf6780569f0963a124bde5a58a98c036bbcfed7695610441", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26f7fd170a05999dbf6780569f0963a124bde5a58a98c036bbcfed7695610441", kill_on_drop: false }`
[INFO] [stdout] 26f7fd170a05999dbf6780569f0963a124bde5a58a98c036bbcfed7695610441
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4472ae37e818d71d43a20a50837251142fbbae89542ae481a367ee74bc63ee0a
[INFO] running `Command { std: "docker" "start" "-a" "4472ae37e818d71d43a20a50837251142fbbae89542ae481a367ee74bc63ee0a", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-core v0.3.32
[INFO] [stderr]     Checking futures-sink v0.3.32
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking futures-io v0.3.32
[INFO] [stderr]    Compiling unicode-segmentation v1.13.2
[INFO] [stderr]     Checking slab v0.4.12
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]     Checking getrandom v0.4.2
[INFO] [stderr]     Checking futures-channel v0.3.32
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]     Checking sha1_smol v1.0.1
[INFO] [stderr]     Checking tokio v1.52.3
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]     Checking log v0.4.29
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]    Compiling derive_more-impl v1.0.0
[INFO] [stderr]     Checking event-listener v5.4.1
[INFO] [stderr]     Checking futures-util v0.3.32
[INFO] [stderr]     Checking thiserror v2.0.18
[INFO] [stderr]     Checking uuid v1.23.1
[INFO] [stderr]     Checking futures-executor v0.3.32
[INFO] [stderr]     Checking futures v0.3.32
[INFO] [stderr]     Checking derive_more v1.0.0
[INFO] [stderr]     Checking crb-core v0.0.23
[INFO] [stderr]     Checking crb-runtime v0.0.23
[INFO] [stderr]     Checking crb-morph v0.0.23 (/opt/rustwide/workdir)
[INFO] [stdout] error: struct `MorphSession` is never constructed
[INFO] [stdout]  --> src/lib.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct MorphSession {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]   = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `MorphRuntime` is never constructed
[INFO] [stdout]   --> src/lib.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct MorphRuntime<C> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `crb-morph` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: struct `MorphSession` is never constructed
[INFO] [stdout]  --> src/lib.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct MorphSession {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]   = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `MorphRuntime` is never constructed
[INFO] [stdout]   --> src/lib.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct MorphRuntime<C> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `crb-morph` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "4472ae37e818d71d43a20a50837251142fbbae89542ae481a367ee74bc63ee0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4472ae37e818d71d43a20a50837251142fbbae89542ae481a367ee74bc63ee0a", kill_on_drop: false }`
[INFO] [stdout] 4472ae37e818d71d43a20a50837251142fbbae89542ae481a367ee74bc63ee0a
