[INFO] fetching crate ic-stable-memory-derive 0.4.2...
[INFO] checking ic-stable-memory-derive-0.4.2 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate ic-stable-memory-derive 0.4.2 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate ic-stable-memory-derive 0.4.2 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ic-stable-memory-derive 0.4.2
[INFO] finished tweaking crates.io crate ic-stable-memory-derive 0.4.2
[INFO] tweaked toml for crates.io crate ic-stable-memory-derive 0.4.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--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]      Locking 5 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10a6c171c542aeeace3bde05cd53fe79774454b9be02368b7a5f6ac6970cf50a
[INFO] running `Command { std: "docker" "start" "-a" "10a6c171c542aeeace3bde05cd53fe79774454b9be02368b7a5f6ac6970cf50a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10a6c171c542aeeace3bde05cd53fe79774454b9be02368b7a5f6ac6970cf50a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10a6c171c542aeeace3bde05cd53fe79774454b9be02368b7a5f6ac6970cf50a", kill_on_drop: false }`
[INFO] [stdout] 10a6c171c542aeeace3bde05cd53fe79774454b9be02368b7a5f6ac6970cf50a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e135885a8f20d24e68b4b3dd73cb1998b5f8086eb2422db78493d5c8a7cc310
[INFO] running `Command { std: "docker" "start" "-a" "8e135885a8f20d24e68b4b3dd73cb1998b5f8086eb2422db78493d5c8a7cc310", kill_on_drop: false }`
[INFO] [stderr]     Checking ic-stable-memory-derive v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `TokenStream`
[INFO] [stdout]  --> src/lib.rs:6:25
[INFO] [stdout]   |
[INFO] [stdout] 6 | use proc_macro2::{self, TokenStream};
[INFO] [stdout]   |                         ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `quote::quote`
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use quote::quote;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Fields`, `Ident`, and `Index`
[INFO] [stdout]  --> src/lib.rs:8:43
[INFO] [stdout]   |
[INFO] [stdout] 8 | use syn::{parse_macro_input, DeriveInput, Fields, Ident, Index};
[INFO] [stdout]   |                                           ^^^^^^  ^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Index`
[INFO] [stdout]  --> src/candid_as_dyn_size_bytes.rs:3:28
[INFO] [stdout]   |
[INFO] [stdout] 3 | use syn::{Generics, Ident, Index};
[INFO] [stdout]   |                            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TokenStream`
[INFO] [stdout]  --> src/lib.rs:6:25
[INFO] [stdout]   |
[INFO] [stdout] 6 | use proc_macro2::{self, TokenStream};
[INFO] [stdout]   |                         ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `quote::quote`
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use quote::quote;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Fields`, `Ident`, and `Index`
[INFO] [stdout]  --> src/lib.rs:8:43
[INFO] [stdout]   |
[INFO] [stdout] 8 | use syn::{parse_macro_input, DeriveInput, Fields, Ident, Index};
[INFO] [stdout]   |                                           ^^^^^^  ^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Index`
[INFO] [stdout]  --> src/candid_as_dyn_size_bytes.rs:3:28
[INFO] [stdout]   |
[INFO] [stdout] 3 | use syn::{Generics, Ident, Index};
[INFO] [stdout]   |                            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "8e135885a8f20d24e68b4b3dd73cb1998b5f8086eb2422db78493d5c8a7cc310", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e135885a8f20d24e68b4b3dd73cb1998b5f8086eb2422db78493d5c8a7cc310", kill_on_drop: false }`
[INFO] [stdout] 8e135885a8f20d24e68b4b3dd73cb1998b5f8086eb2422db78493d5c8a7cc310