[INFO] fetching crate intrusive-collections 0.9.6...
[INFO] checking intrusive-collections-0.9.6 against master#35936c4839dd272646394779d151e060d0f6b3ac for pr-122960-1
[INFO] extracting crate intrusive-collections 0.9.6 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate intrusive-collections 0.9.6 on toolchain 35936c4839dd272646394779d151e060d0f6b3ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate intrusive-collections 0.9.6
[INFO] finished tweaking crates.io crate intrusive-collections 0.9.6
[INFO] tweaked toml for crates.io crate intrusive-collections 0.9.6 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memoffset v0.9.1
[INFO] [stderr]   Downloaded typed-arena v2.0.2
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96bd7eb2111ea6c80178cd6aaf23a31bf90c139d3ab52abe83cc34f363fc6b6c
[INFO] running `Command { std: "docker" "start" "-a" "96bd7eb2111ea6c80178cd6aaf23a31bf90c139d3ab52abe83cc34f363fc6b6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96bd7eb2111ea6c80178cd6aaf23a31bf90c139d3ab52abe83cc34f363fc6b6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96bd7eb2111ea6c80178cd6aaf23a31bf90c139d3ab52abe83cc34f363fc6b6c", kill_on_drop: false }`
[INFO] [stdout] 96bd7eb2111ea6c80178cd6aaf23a31bf90c139d3ab52abe83cc34f363fc6b6c
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81ac7e79df006bc8bfc36c29d1d49b99cb16d77b2081c92521059c48eb758e43
[INFO] running `Command { std: "docker" "start" "-a" "81ac7e79df006bc8bfc36c29d1d49b99cb16d77b2081c92521059c48eb758e43", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking typed-arena v2.0.2
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]     Checking intrusive-collections v0.9.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stdout] warning: method `unwrap_unchecked` is never used
[INFO] [stdout]   --> src/unchecked_option.rs:18:15
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait UncheckedOptionExt<T> {
[INFO] [stdout]    |           ------------------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 18 |     unsafe fn unwrap_unchecked(self) -> T;
[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]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stdout] warning: method `unwrap_unchecked` is never used
[INFO] [stdout]   --> src/unchecked_option.rs:18:15
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait UncheckedOptionExt<T> {
[INFO] [stdout]    |           ------------------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 18 |     unsafe fn unwrap_unchecked(self) -> T;
[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 3.48s
[INFO] running `Command { std: "docker" "inspect" "81ac7e79df006bc8bfc36c29d1d49b99cb16d77b2081c92521059c48eb758e43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81ac7e79df006bc8bfc36c29d1d49b99cb16d77b2081c92521059c48eb758e43", kill_on_drop: false }`
[INFO] [stdout] 81ac7e79df006bc8bfc36c29d1d49b99cb16d77b2081c92521059c48eb758e43