[INFO] fetching crate tagged-pointer-as-enum 1.0.0...
[INFO] checking tagged-pointer-as-enum-1.0.0 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate tagged-pointer-as-enum 1.0.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate tagged-pointer-as-enum 1.0.0
[INFO] finished tweaking crates.io crate tagged-pointer-as-enum 1.0.0
[INFO] tweaked toml for crates.io crate tagged-pointer-as-enum 1.0.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tagged-pointer-as-enum 1.0.0 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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]      Locking 72 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.7.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded criterion-plot v0.4.5
[INFO] [stderr]   Downloaded criterion v0.3.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4dcf886b257aa2cbc3047ab04b38cac81f19d37c891dbb85d4474cd7fbc92e39
[INFO] running `Command { std: "docker" "start" "-a" "4dcf886b257aa2cbc3047ab04b38cac81f19d37c891dbb85d4474cd7fbc92e39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4dcf886b257aa2cbc3047ab04b38cac81f19d37c891dbb85d4474cd7fbc92e39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dcf886b257aa2cbc3047ab04b38cac81f19d37c891dbb85d4474cd7fbc92e39", kill_on_drop: false }`
[INFO] [stdout] 4dcf886b257aa2cbc3047ab04b38cac81f19d37c891dbb85d4474cd7fbc92e39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cdccce048aab08cd18506dc1a8444460c724ed2b6487867aba58a036c5e9a924
[INFO] running `Command { std: "docker" "start" "-a" "cdccce048aab08cd18506dc1a8444460c724ed2b6487867aba58a036c5e9a924", kill_on_drop: false }`
[INFO] [stderr]     Checking tagged-pointer-as-enum v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `None` is never constructed
[INFO] [stdout]  --> benches/compare_with_enum.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct None;
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Native` is never used
[INFO] [stdout]   --> benches/compare_with_enum.rs:12:6
[INFO] [stdout]    |
[INFO] [stdout] 12 | enum Native {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ForEachVariant` is never used
[INFO] [stdout]   --> benches/compare_with_enum.rs:52:7
[INFO] [stdout]    |
[INFO] [stdout] 52 | trait ForEachVariant {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `work` is never used
[INFO] [stdout]   --> benches/compare_with_enum.rs:89:4
[INFO] [stdout]    |
[INFO] [stdout] 89 | fn work<T>()
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "cdccce048aab08cd18506dc1a8444460c724ed2b6487867aba58a036c5e9a924", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdccce048aab08cd18506dc1a8444460c724ed2b6487867aba58a036c5e9a924", kill_on_drop: false }`
[INFO] [stdout] cdccce048aab08cd18506dc1a8444460c724ed2b6487867aba58a036c5e9a924