[INFO] fetching crate serry-derive 0.1.0...
[INFO] checking serry-derive-0.1.0 against master#0f6e1ae67854c3c44726e8376144c16b465fe7c6 for pr-129392
[INFO] extracting crate serry-derive 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate serry-derive 0.1.0 on toolchain 0f6e1ae67854c3c44726e8376144c16b465fe7c6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0f6e1ae67854c3c44726e8376144c16b465fe7c6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serry-derive 0.1.0
[INFO] finished tweaking crates.io crate serry-derive 0.1.0
[INFO] tweaked toml for crates.io crate serry-derive 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0f6e1ae67854c3c44726e8376144c16b465fe7c6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0f6e1ae67854c3c44726e8376144c16b465fe7c6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+0f6e1ae67854c3c44726e8376144c16b465fe7c6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99b37e995357164b08759a2739872a3aabf1d9161585dc7ee7191887a90affcc
[INFO] running `Command { std: "docker" "start" "-a" "99b37e995357164b08759a2739872a3aabf1d9161585dc7ee7191887a90affcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99b37e995357164b08759a2739872a3aabf1d9161585dc7ee7191887a90affcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99b37e995357164b08759a2739872a3aabf1d9161585dc7ee7191887a90affcc", kill_on_drop: false }`
[INFO] [stdout] 99b37e995357164b08759a2739872a3aabf1d9161585dc7ee7191887a90affcc
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+0f6e1ae67854c3c44726e8376144c16b465fe7c6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29617cd13da9ff29a2687573120f5bbae159a0249e4b0ee85ebd1e2b32aa43eb
[INFO] running `Command { std: "docker" "start" "-a" "29617cd13da9ff29a2687573120f5bbae159a0249e4b0ee85ebd1e2b32aa43eb", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking proc-macro2 v1.0.86
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]     Checking syn v2.0.77
[INFO] [stderr]     Checking serry-derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `all` is never used
[INFO] [stdout]   --> src/sized.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     impl Predict {
[INFO] [stdout]    |     ------------ associated function in this implementation
[INFO] [stdout] 29 |         fn all(v: impl ToTokens) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `all` is never used
[INFO] [stdout]   --> src/sized.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     impl Predict {
[INFO] [stdout]    |     ------------ associated function in this implementation
[INFO] [stdout] 29 |         fn all(v: impl ToTokens) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.76s
[INFO] running `Command { std: "docker" "inspect" "29617cd13da9ff29a2687573120f5bbae159a0249e4b0ee85ebd1e2b32aa43eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29617cd13da9ff29a2687573120f5bbae159a0249e4b0ee85ebd1e2b32aa43eb", kill_on_drop: false }`
[INFO] [stdout] 29617cd13da9ff29a2687573120f5bbae159a0249e4b0ee85ebd1e2b32aa43eb