[INFO] fetching crate ctor_macro 0.1.0...
[INFO] checking ctor_macro-0.1.0 against master#8a703520e80d87d4423c01f9d4fbc9e5f6533a02 for pr-154205-1
[INFO] extracting crate ctor_macro 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate ctor_macro 0.1.0
[INFO] finished tweaking crates.io crate ctor_macro 0.1.0
[INFO] tweaked toml for crates.io crate ctor_macro 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ctor_macro 0.1.0 on toolchain 8a703520e80d87d4423c01f9d4fbc9e5f6533a02
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ctor_macro 0.1.0 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" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded constructor_macro_internal v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac1fa2b0284891cdcbf3153677b48aae24e5c6016082835fb8e55e6f39db26f9
[INFO] running `Command { std: "docker" "start" "-a" "ac1fa2b0284891cdcbf3153677b48aae24e5c6016082835fb8e55e6f39db26f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac1fa2b0284891cdcbf3153677b48aae24e5c6016082835fb8e55e6f39db26f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac1fa2b0284891cdcbf3153677b48aae24e5c6016082835fb8e55e6f39db26f9", kill_on_drop: false }`
[INFO] [stdout] ac1fa2b0284891cdcbf3153677b48aae24e5c6016082835fb8e55e6f39db26f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6807ad2f7540d030e718aaca6ff31ffc63f6d5f36d5c8c940ec0fa41a3f32fe
[INFO] running `Command { std: "docker" "start" "-a" "e6807ad2f7540d030e718aaca6ff31ffc63f6d5f36d5c8c940ec0fa41a3f32fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling constructor_macro_internal v0.1.0
[INFO] [stderr]     Checking ctor_macro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.21s
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/lib.rs:13:22
[INFO] [stdout]    |
[INFO] [stdout] 13 |     struct MyUnnamed(i32, i32);
[INFO] [stdout]    |            --------- ^^^  ^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `stuff` and `unstuff` are never read
[INFO] [stdout]   --> src/lib.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     struct MyNamed {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 18 |         #[ctor_rename = "holy"]
[INFO] [stdout] 19 |         stuff: i32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 20 |         unstuff: i32
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e6807ad2f7540d030e718aaca6ff31ffc63f6d5f36d5c8c940ec0fa41a3f32fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6807ad2f7540d030e718aaca6ff31ffc63f6d5f36d5c8c940ec0fa41a3f32fe", kill_on_drop: false }`
[INFO] [stdout] e6807ad2f7540d030e718aaca6ff31ffc63f6d5f36d5c8c940ec0fa41a3f32fe