[INFO] fetching crate constructivism 0.3.0...
[INFO] checking constructivism-0.3.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate constructivism 0.3.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate constructivism 0.3.0
[INFO] finished tweaking crates.io crate constructivism 0.3.0
[INFO] tweaked toml for crates.io crate constructivism 0.3.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate constructivism 0.3.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate constructivism 0.3.0 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded constructivism_macro v0.3.0
[INFO] [stderr]   Downloaded constructivist v0.3.0
[INFO] [stderr]   Downloaded constructivism_macro_gen v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb839aeed3562807a0e3ddd34ed7294011e67dbfa1871e7b6c885224e5f79a25
[INFO] running `Command { std: "docker" "start" "-a" "bb839aeed3562807a0e3ddd34ed7294011e67dbfa1871e7b6c885224e5f79a25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb839aeed3562807a0e3ddd34ed7294011e67dbfa1871e7b6c885224e5f79a25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb839aeed3562807a0e3ddd34ed7294011e67dbfa1871e7b6c885224e5f79a25", kill_on_drop: false }`
[INFO] [stdout] bb839aeed3562807a0e3ddd34ed7294011e67dbfa1871e7b6c885224e5f79a25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10b16fe667aaf1de19768a5dd8aee3c5209a290bdfa88cb5b696ef3148b3faa2
[INFO] running `Command { std: "docker" "start" "-a" "10b16fe667aaf1de19768a5dd8aee3c5209a290bdfa88cb5b696ef3148b3faa2", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.14.0
[INFO] [stderr]    Compiling winnow v0.5.15
[INFO] [stderr]     Checking tuple_utils v0.4.0
[INFO] [stderr]    Compiling indexmap v2.0.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]    Compiling serde_spanned v0.6.3
[INFO] [stderr]    Compiling toml_datetime v0.6.3
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling constructivism_macro_gen v0.3.0
[INFO] [stderr]    Compiling toml v0.7.8
[INFO] [stderr]    Compiling constructivist v0.3.0
[INFO] [stderr]    Compiling constructivism_macro v0.3.0
[INFO] [stderr]     Checking constructivism v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/core.rs:126:31
[INFO] [stdout]     |
[INFO] [stdout] 126 | pub struct NothingSetters<'a>(&'a mut ());
[INFO] [stdout]     |            --------------     ^^^^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/core.rs:126:31
[INFO] [stdout]     |
[INFO] [stdout] 126 | pub struct NothingSetters<'a>(&'a mut ());
[INFO] [stdout]     |            --------------     ^^^^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.55s
[INFO] running `Command { std: "docker" "inspect" "10b16fe667aaf1de19768a5dd8aee3c5209a290bdfa88cb5b696ef3148b3faa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10b16fe667aaf1de19768a5dd8aee3c5209a290bdfa88cb5b696ef3148b3faa2", kill_on_drop: false }`
[INFO] [stdout] 10b16fe667aaf1de19768a5dd8aee3c5209a290bdfa88cb5b696ef3148b3faa2