[INFO] fetching crate unionize 0.3.0...
[INFO] checking unionize-0.3.0 against 1.95.0 for pr-155915
[INFO] extracting crate unionize 0.3.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate unionize 0.3.0
[INFO] finished tweaking crates.io crate unionize 0.3.0
[INFO] tweaked toml for crates.io crate unionize 0.3.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate unionize 0.3.0 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate unionize 0.3.0 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded shlex v1.1.0
[INFO] [stderr]   Downloaded sise v0.8.0
[INFO] [stderr]   Downloaded prettyplease v0.2.5
[INFO] [stderr]   Downloaded quote v1.0.27
[INFO] [stderr]   Downloaded procinfo v0.4.2
[INFO] [stderr]   Downloaded tempfile v3.5.0
[INFO] [stderr]   Downloaded getrandom v0.2.9
[INFO] [stderr]   Downloaded io-lifetimes v1.0.10
[INFO] [stderr]   Downloaded clang-sys v1.6.1
[INFO] [stderr]   Downloaded serde_cbor v0.10.2
[INFO] [stderr]   Downloaded half v1.8.2
[INFO] [stderr]   Downloaded serde v1.0.164
[INFO] [stderr]   Downloaded serde_derive v1.0.164
[INFO] [stderr]   Downloaded nom v2.2.1
[INFO] [stderr]   Downloaded libm v0.2.6
[INFO] [stderr]   Downloaded xs233-sys v0.2.0
[INFO] [stderr]   Downloaded bindgen v0.65.1
[INFO] [stderr]   Downloaded xs233 v0.3.0
[INFO] [stderr]   Downloaded proptest v1.1.0
[INFO] [stderr]   Downloaded syn v2.0.16
[INFO] [stderr]   Downloaded rustix v0.37.11
[INFO] [stderr]   Downloaded regex v1.8.1
[INFO] [stderr]   Downloaded regex-syntax v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7b50069837111c1b5a97bc72a0acea629f047544d09d4d7a0886934d56c9a9c
[INFO] running `Command { std: "docker" "start" "-a" "f7b50069837111c1b5a97bc72a0acea629f047544d09d4d7a0886934d56c9a9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7b50069837111c1b5a97bc72a0acea629f047544d09d4d7a0886934d56c9a9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7b50069837111c1b5a97bc72a0acea629f047544d09d4d7a0886934d56c9a9c", kill_on_drop: false }`
[INFO] [stdout] f7b50069837111c1b5a97bc72a0acea629f047544d09d4d7a0886934d56c9a9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f581ab1505a6b8257f3257dd152adbef49e53c8417a5af53a1444a2557658115
[INFO] running `Command { std: "docker" "start" "-a" "f581ab1505a6b8257f3257dd152adbef49e53c8417a5af53a1444a2557658115", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.27
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling prettyplease v0.2.5
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling bindgen v0.65.1
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]    Compiling clang-sys v1.6.1
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling regex-syntax v0.7.1
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling rustix v0.37.11
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling libm v0.2.6
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]     Checking linux-raw-sys v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling serde v1.0.164
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling procinfo v0.4.2
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking unarray v0.1.4
[INFO] [stderr]     Checking nom v2.2.1
[INFO] [stderr]     Checking cpufeatures v0.2.7
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]    Compiling which v4.4.0
[INFO] [stderr]     Checking sise v0.8.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling syn v2.0.16
[INFO] [stderr]     Checking getrandom v0.2.9
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling regex v1.8.1
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking digest v0.10.6
[INFO] [stderr]     Checking sha2 v0.10.6
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]     Checking tempfile v3.5.0
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking proptest v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.164
[INFO] [stderr]     Checking serde_cbor v0.10.2
[INFO] [stderr]    Compiling xs233-sys v0.2.0
[INFO] [stderr]     Checking xs233 v0.3.0
[INFO] [stderr]     Checking unionize v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/tree/mem_rc_bounds/mod.rs:11:28
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Tree<M: Monoid>(Rc<Node<M>>);
[INFO] [stdout]    |            ----            ^^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `Tree` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/tree/mem_rc_bounds/mod.rs:11:28
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Tree<M: Monoid>(Rc<Node<M>>);
[INFO] [stdout]    |            ----            ^^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `Tree` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.14s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v2.2.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "f581ab1505a6b8257f3257dd152adbef49e53c8417a5af53a1444a2557658115", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f581ab1505a6b8257f3257dd152adbef49e53c8417a5af53a1444a2557658115", kill_on_drop: false }`
[INFO] [stdout] f581ab1505a6b8257f3257dd152adbef49e53c8417a5af53a1444a2557658115
