[INFO] fetching crate smallbox 0.8.8...
[INFO] checking smallbox-0.8.8 against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] extracting crate smallbox 0.8.8 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate smallbox 0.8.8
[INFO] finished tweaking crates.io crate smallbox 0.8.8
[INFO] tweaked toml for crates.io crate smallbox 0.8.8 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate smallbox 0.8.8 on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate smallbox 0.8.8 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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 132319854f3f4713e1d409c934e36ad4395ad0f1b61b7e308a4675e4b9d1c928
[INFO] running `Command { std: "docker" "start" "-a" "132319854f3f4713e1d409c934e36ad4395ad0f1b61b7e308a4675e4b9d1c928", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "132319854f3f4713e1d409c934e36ad4395ad0f1b61b7e308a4675e4b9d1c928", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "132319854f3f4713e1d409c934e36ad4395ad0f1b61b7e308a4675e4b9d1c928", kill_on_drop: false }`
[INFO] [stdout] 132319854f3f4713e1d409c934e36ad4395ad0f1b61b7e308a4675e4b9d1c928
[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" "-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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6108ba7327c82d26b5bb5bf1db69037fbaec1ebe6838ce7a3e44c5e670a2c73a
[INFO] running `Command { std: "docker" "start" "-a" "6108ba7327c82d26b5bb5bf1db69037fbaec1ebe6838ce7a3e44c5e670a2c73a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking linux-raw-sys v0.9.4
[INFO] [stderr]     Checking bitflags v2.9.1
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking pin-project-lite v0.2.15
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling smallbox v0.8.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking regex-lite v0.1.6
[INFO] [stderr]     Checking condtype v1.3.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stdout] error: struct `S1` is never constructed
[INFO] [stdout]  --> src/space.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct S1 {
[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_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `S2` is never constructed
[INFO] [stdout]  --> src/space.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct S2 {
[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] [stdout] error: struct `S4` is never constructed
[INFO] [stdout]   --> src/space.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct S4 {
[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] [stdout] error: struct `S8` is never constructed
[INFO] [stdout]   --> src/space.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct S8 {
[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] [stdout] error: struct `S16` is never constructed
[INFO] [stdout]   --> src/space.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct S16 {
[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] [stdout] error: struct `S32` is never constructed
[INFO] [stdout]   --> src/space.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct S32 {
[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] [stdout] error: struct `S64` is never constructed
[INFO] [stdout]   --> src/space.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct S64 {
[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 `smallbox` (lib) due to 7 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6108ba7327c82d26b5bb5bf1db69037fbaec1ebe6838ce7a3e44c5e670a2c73a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6108ba7327c82d26b5bb5bf1db69037fbaec1ebe6838ce7a3e44c5e670a2c73a", kill_on_drop: false }`
[INFO] [stdout] 6108ba7327c82d26b5bb5bf1db69037fbaec1ebe6838ce7a3e44c5e670a2c73a
