[INFO] fetching crate tinyset 0.4.6...
[INFO] checking tinyset-0.4.6 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate tinyset 0.4.6 into /workspace/builds/worker-76/source
[INFO] validating manifest of crates.io crate tinyset 0.4.6 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tinyset 0.4.6
[INFO] finished tweaking crates.io crate tinyset 0.4.6
[INFO] tweaked toml for crates.io crate tinyset 0.4.6 written to /workspace/builds/worker-76/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b0ad7602ac15bd18a65e5b63c90aec9856aeaa34fb0528f5048cdf0ab1017d2
[INFO] running `Command { std: "docker" "start" "-a" "0b0ad7602ac15bd18a65e5b63c90aec9856aeaa34fb0528f5048cdf0ab1017d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b0ad7602ac15bd18a65e5b63c90aec9856aeaa34fb0528f5048cdf0ab1017d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b0ad7602ac15bd18a65e5b63c90aec9856aeaa34fb0528f5048cdf0ab1017d2", kill_on_drop: false }`
[INFO] [stdout] 0b0ad7602ac15bd18a65e5b63c90aec9856aeaa34fb0528f5048cdf0ab1017d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aae5c7f1ebd2b21e6f3bf25bad1dfb84055292d819753fd342a656bbb9ca3eb6
[INFO] running `Command { std: "docker" "start" "-a" "aae5c7f1ebd2b21e6f3bf25bad1dfb84055292d819753fd342a656bbb9ca3eb6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]     Checking retain_mut v0.1.3
[INFO] [stderr]     Checking bytemuck v1.7.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking id-set v0.2.2
[INFO] [stderr]     Checking scaling v0.1.3
[INFO] [stderr]     Checking stats_alloc v0.1.8
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking roaring v0.6.7
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking tinyset v0.4.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking proptest v0.10.1
[INFO] [stdout] warning: field is never read: `set`
[INFO] [stdout]    --> src/setu32.rs:640:5
[INFO] [stdout]     |
[INFO] [stdout] 640 |     set: SetU32,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `set`
[INFO] [stdout]    --> src/setu64.rs:412:5
[INFO] [stdout]     |
[INFO] [stdout] 412 |     set: SetU64,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stdout] warning: field is never read: `set`
[INFO] [stdout]    --> src/setu32.rs:640:5
[INFO] [stdout]     |
[INFO] [stdout] 640 |     set: SetU32,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `set`
[INFO] [stdout]    --> src/setu64.rs:412:5
[INFO] [stdout]     |
[INFO] [stdout] 412 |     set: SetU64,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.72s
[INFO] running `Command { std: "docker" "inspect" "aae5c7f1ebd2b21e6f3bf25bad1dfb84055292d819753fd342a656bbb9ca3eb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aae5c7f1ebd2b21e6f3bf25bad1dfb84055292d819753fd342a656bbb9ca3eb6", kill_on_drop: false }`
[INFO] [stdout] aae5c7f1ebd2b21e6f3bf25bad1dfb84055292d819753fd342a656bbb9ca3eb6