[INFO] fetching crate shards-macro 0.1.0...
[INFO] checking shards-macro-0.1.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate shards-macro 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate shards-macro 0.1.0
[INFO] finished tweaking crates.io crate shards-macro 0.1.0
[INFO] tweaked toml for crates.io crate shards-macro 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate shards-macro 0.1.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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 11 packages to latest compatible versions
[INFO] [stderr]       Adding convert_case v0.6.0 (available: v0.8.0)
[INFO] [stderr]       Adding itertools v0.11.0 (available: v0.14.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6da8eea716f3eecd05c0f20e194a313dfd93156a41ac8e1fb586731338f02a4e
[INFO] running `Command { std: "docker" "start" "-a" "6da8eea716f3eecd05c0f20e194a313dfd93156a41ac8e1fb586731338f02a4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6da8eea716f3eecd05c0f20e194a313dfd93156a41ac8e1fb586731338f02a4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6da8eea716f3eecd05c0f20e194a313dfd93156a41ac8e1fb586731338f02a4e", kill_on_drop: false }`
[INFO] [stdout] 6da8eea716f3eecd05c0f20e194a313dfd93156a41ac8e1fb586731338f02a4e
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de97d5b6f55923167066ecd7ccad8acfd2414bb216fc3fece83ab4b80fd838f3
[INFO] running `Command { std: "docker" "start" "-a" "de97d5b6f55923167066ecd7ccad8acfd2414bb216fc3fece83ab4b80fd838f3", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking unicode-segmentation v1.12.0
[INFO] [stderr]     Checking crc-catalog v2.4.0
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking crc v3.3.0
[INFO] [stderr]     Checking proc-macro2 v1.0.95
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]     Checking convert_case v0.6.0
[INFO] [stderr]     Checking syn v2.0.104
[INFO] [stderr]     Checking shards-macro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `has_custom_interface` is never read
[INFO] [stdout]   --> src/lib.rs:77:3
[INFO] [stdout]    |
[INFO] [stdout] 74 | struct ParamSet {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 77 |   has_custom_interface: bool,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `has_custom_interface` is never read
[INFO] [stdout]   --> src/lib.rs:77:3
[INFO] [stdout]    |
[INFO] [stdout] 74 | struct ParamSet {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 77 |   has_custom_interface: bool,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.89s
[INFO] running `Command { std: "docker" "inspect" "de97d5b6f55923167066ecd7ccad8acfd2414bb216fc3fece83ab4b80fd838f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de97d5b6f55923167066ecd7ccad8acfd2414bb216fc3fece83ab4b80fd838f3", kill_on_drop: false }`
[INFO] [stdout] de97d5b6f55923167066ecd7ccad8acfd2414bb216fc3fece83ab4b80fd838f3