[INFO] fetching crate shale 0.1.9...
[INFO] checking shale-0.1.9 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate shale 0.1.9 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate shale 0.1.9
[INFO] finished tweaking crates.io crate shale 0.1.9
[INFO] tweaked toml for crates.io crate shale 0.1.9 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate shale 0.1.9 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 25 packages to latest compatible versions
[INFO] [stderr]       Adding lru v0.12.5 (available: v0.15.0)
[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-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6cb6da78cd65e9b8538ab3c4cba2d3ad96cd37661171484b5ac509893b506ae8
[INFO] running `Command { std: "docker" "start" "-a" "6cb6da78cd65e9b8538ab3c4cba2d3ad96cd37661171484b5ac509893b506ae8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6cb6da78cd65e9b8538ab3c4cba2d3ad96cd37661171484b5ac509893b506ae8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cb6da78cd65e9b8538ab3c4cba2d3ad96cd37661171484b5ac509893b506ae8", kill_on_drop: false }`
[INFO] [stdout] 6cb6da78cd65e9b8538ab3c4cba2d3ad96cd37661171484b5ac509893b506ae8
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9462b21a89909ef4f4594cc3f8c496be326b2f9f835d6fd3cbae6cf66f537af
[INFO] running `Command { std: "docker" "start" "-a" "c9462b21a89909ef4f4594cc3f8c496be326b2f9f835d6fd3cbae6cf66f537af", kill_on_drop: false }`
[INFO] [stderr]     Checking allocator-api2 v0.2.21
[INFO] [stderr]     Checking foldhash v0.1.5
[INFO] [stderr]     Checking hashbrown v0.15.4
[INFO] [stderr]     Checking lru v0.12.5
[INFO] [stderr]     Checking shale v0.1.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `ObjPtrField` is never constructed
[INFO] [stdout]    --> src/compact.rs:212:8
[INFO] [stdout]     |
[INFO] [stdout] 212 | struct ObjPtrField<T>(ObjPtr<T>);
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant `MSIZE` is never used
[INFO] [stdout]    --> src/compact.rs:215:11
[INFO] [stdout]     |
[INFO] [stdout] 214 | impl<T> ObjPtrField<T> {
[INFO] [stdout]     | ---------------------- associated constant in this implementation
[INFO] [stdout] 215 |     const MSIZE: u64 = 8;
[INFO] [stdout]     |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ObjPtrField` is never constructed
[INFO] [stdout]    --> src/compact.rs:212:8
[INFO] [stdout]     |
[INFO] [stdout] 212 | struct ObjPtrField<T>(ObjPtr<T>);
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant `MSIZE` is never used
[INFO] [stdout]    --> src/compact.rs:215:11
[INFO] [stdout]     |
[INFO] [stdout] 214 | impl<T> ObjPtrField<T> {
[INFO] [stdout]     | ---------------------- associated constant in this implementation
[INFO] [stdout] 215 |     const MSIZE: u64 = 8;
[INFO] [stdout]     |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.86s
[INFO] running `Command { std: "docker" "inspect" "c9462b21a89909ef4f4594cc3f8c496be326b2f9f835d6fd3cbae6cf66f537af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9462b21a89909ef4f4594cc3f8c496be326b2f9f835d6fd3cbae6cf66f537af", kill_on_drop: false }`
[INFO] [stdout] c9462b21a89909ef4f4594cc3f8c496be326b2f9f835d6fd3cbae6cf66f537af