[INFO] fetching crate accessor-pair 0.2.0...
[INFO] checking accessor-pair-0.2.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate accessor-pair 0.2.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate accessor-pair 0.2.0
[INFO] finished tweaking crates.io crate accessor-pair 0.2.0
[INFO] tweaked toml for crates.io crate accessor-pair 0.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate accessor-pair 0.2.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7af6ad84deaef808cb845788a8292d1f674c08fea9156d2ca87b5d59fc470e1
[INFO] running `Command { std: "docker" "start" "-a" "b7af6ad84deaef808cb845788a8292d1f674c08fea9156d2ca87b5d59fc470e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7af6ad84deaef808cb845788a8292d1f674c08fea9156d2ca87b5d59fc470e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7af6ad84deaef808cb845788a8292d1f674c08fea9156d2ca87b5d59fc470e1", kill_on_drop: false }`
[INFO] [stdout] b7af6ad84deaef808cb845788a8292d1f674c08fea9156d2ca87b5d59fc470e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1befe4355f257dc28bde2f714525d8cb011413846fb08a54827a7334b4b4a27c
[INFO] running `Command { std: "docker" "start" "-a" "1befe4355f257dc28bde2f714525d8cb011413846fb08a54827a7334b4b4a27c", kill_on_drop: false }`
[INFO] [stderr]     Checking accessor-pair v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition: `field_accessors`
[INFO] [stdout]   --> src/lib.rs:31:14
[INFO] [stdout]    |
[INFO] [stdout] 31 | macro_rules! field_accessors {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pot_name` is never read
[INFO] [stdout]   --> src/lib.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     struct PottedFern {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 44 |         fern: Fern,
[INFO] [stdout] 45 |         pot_name: String,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `healthy` is never read
[INFO] [stdout]   --> src/lib.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     struct Fern {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 49 |         species: String,
[INFO] [stdout] 50 |         healthy: bool,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "1befe4355f257dc28bde2f714525d8cb011413846fb08a54827a7334b4b4a27c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1befe4355f257dc28bde2f714525d8cb011413846fb08a54827a7334b4b4a27c", kill_on_drop: false }`
[INFO] [stdout] 1befe4355f257dc28bde2f714525d8cb011413846fb08a54827a7334b4b4a27c