[INFO] fetching crate rc_bump 0.1.2...
[INFO] checking rc_bump-0.1.2 against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] extracting crate rc_bump 0.1.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate rc_bump 0.1.2
[INFO] finished tweaking crates.io crate rc_bump 0.1.2
[INFO] tweaked toml for crates.io crate rc_bump 0.1.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rc_bump 0.1.2 on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rc_bump 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29fcec2a8eafe8c6637981b85756be3aaaa29cb21113b795b2f2ca76dac10d9b
[INFO] running `Command { std: "docker" "start" "-a" "29fcec2a8eafe8c6637981b85756be3aaaa29cb21113b795b2f2ca76dac10d9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29fcec2a8eafe8c6637981b85756be3aaaa29cb21113b795b2f2ca76dac10d9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29fcec2a8eafe8c6637981b85756be3aaaa29cb21113b795b2f2ca76dac10d9b", kill_on_drop: false }`
[INFO] [stdout] 29fcec2a8eafe8c6637981b85756be3aaaa29cb21113b795b2f2ca76dac10d9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09aa796fb5237b39267de6b41a046aaf41bff2b0d07fadf5d3d89b2c9b53ed4d
[INFO] running `Command { std: "docker" "start" "-a" "09aa796fb5237b39267de6b41a046aaf41bff2b0d07fadf5d3d89b2c9b53ed4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.190
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking bumpalo v3.14.0
[INFO] [stderr]     Checking rc_bump v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.190
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking serde_json v1.0.108
[INFO] [stderr]     Checking ciborium v0.2.1
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.4.0
[INFO] [stdout] warning: field `tag` is never read
[INFO] [stdout]   --> benches/bench.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct GraphNodePaving {
[INFO] [stdout]    |        --------------- field in this struct
[INFO] [stdout] 19 |     tag: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tag` is never read
[INFO] [stdout]   --> benches/bench.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 48 | struct GraphNodeRc {
[INFO] [stdout]    |        ----------- field in this struct
[INFO] [stdout] 49 |     tag: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tag` is never read
[INFO] [stdout]   --> benches/bench.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 77 | struct GraphNodeBumpalo<'a> {
[INFO] [stdout]    |        ---------------- field in this struct
[INFO] [stdout] 78 |     tag: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.73s
[INFO] running `Command { std: "docker" "inspect" "09aa796fb5237b39267de6b41a046aaf41bff2b0d07fadf5d3d89b2c9b53ed4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09aa796fb5237b39267de6b41a046aaf41bff2b0d07fadf5d3d89b2c9b53ed4d", kill_on_drop: false }`
[INFO] [stdout] 09aa796fb5237b39267de6b41a046aaf41bff2b0d07fadf5d3d89b2c9b53ed4d