[INFO] fetching crate proto-vulcan 0.1.6...
[INFO] checking proto-vulcan-0.1.6 against 28b6e691688c15cef4c60d9044274e7b84397870 for pr-162986
[INFO] extracting crate proto-vulcan 0.1.6 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate proto-vulcan 0.1.6
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate proto-vulcan 0.1.6
[INFO] tweaked toml for crates.io crate proto-vulcan 0.1.6 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate proto-vulcan 0.1.6 on toolchain 28b6e691688c15cef4c60d9044274e7b84397870
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+28b6e691688c15cef4c60d9044274e7b84397870" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate proto-vulcan 0.1.6 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" "+28b6e691688c15cef4c60d9044274e7b84397870" "fetch" "--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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-width v0.1.8
[INFO] [stderr]   Downloaded unicode-segmentation v1.8.0
[INFO] [stderr]   Downloaded serde_derive v1.0.128
[INFO] [stderr]   Downloaded serde v1.0.128
[INFO] [stderr]   Downloaded quote v1.0.9
[INFO] [stderr]   Downloaded crossterm_winapi v0.6.2
[INFO] [stderr]   Downloaded autocfg v1.0.1
[INFO] [stderr]   Downloaded crossterm_winapi v0.7.0
[INFO] [stderr]   Downloaded tui v0.14.0
[INFO] [stderr]   Downloaded lock_api v0.4.4
[INFO] [stderr]   Downloaded derivative v2.2.0
[INFO] [stderr]   Downloaded cfg-if v1.0.0
[INFO] [stderr]   Downloaded unicode-xid v0.2.2
[INFO] [stderr]   Downloaded crossterm v0.19.0
[INFO] [stderr]   Downloaded num-integer v0.1.44
[INFO] [stderr]   Downloaded smallvec v1.6.1
[INFO] [stderr]   Downloaded time v0.1.44
[INFO] [stderr]   Downloaded thiserror-impl v1.0.26
[INFO] [stderr]   Downloaded signal-hook-registry v1.4.0
[INFO] [stderr]   Downloaded rand v0.7.3
[INFO] [stderr]   Downloaded redox_syscall v0.2.10
[INFO] [stderr]   Downloaded either v1.6.1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.26
[INFO] [stderr]   Downloaded parking_lot v0.11.1
[INFO] [stderr]   Downloaded cassowary v0.3.0
[INFO] [stderr]   Downloaded num-traits v0.2.14
[INFO] [stderr]   Downloaded instant v0.1.10
[INFO] [stderr]   Downloaded itertools v0.9.0
[INFO] [stderr]   Downloaded wasi v0.10.0+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded thiserror v1.0.26
[INFO] [stderr]   Downloaded ryu v1.0.5
[INFO] [stderr]   Downloaded crossterm v0.18.2
[INFO] [stderr]   Downloaded syn v1.0.72
[INFO] [stderr]   Downloaded getrandom v0.1.16
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.10
[INFO] [stderr]   Downloaded serde_json v1.0.66
[INFO] [stderr]   Downloaded mio v0.7.13
[INFO] [stderr]   Downloaded log v0.4.14
[INFO] [stderr]   Downloaded rand_core v0.5.1
[INFO] [stderr]   Downloaded signal-hook v0.1.17
[INFO] [stderr]   Downloaded wasi v0.9.0+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded lazy_static v1.4.0
[INFO] [stderr]   Downloaded proto-vulcan-macros v0.1.6
[INFO] [stderr]   Downloaded parking_lot_core v0.8.3
[INFO] [stderr]   Downloaded rand_chacha v0.2.2
[INFO] [stderr]   Downloaded itoa v0.4.8
[INFO] [stderr]   Downloaded miow v0.3.7
[INFO] [stderr]   Downloaded scopeguard v1.1.0
[INFO] [stderr]   Downloaded rand_hc v0.2.0
[INFO] [stderr]   Downloaded chrono v0.4.19
[INFO] [stderr]   Downloaded ntapi v0.3.6
[INFO] [stderr]   Downloaded libc v0.2.100
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 0d92c9716c7a31457a619c08697a1652b8b7f31c49b13e0e66e54d9900ab3861
[INFO] running `Command { std: "docker" "start" "0d92c9716c7a31457a619c08697a1652b8b7f31c49b13e0e66e54d9900ab3861", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d92c9716c7a31457a619c08697a1652b8b7f31c49b13e0e66e54d9900ab3861", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0d92c9716c7a31457a619c08697a1652b8b7f31c49b13e0e66e54d9900ab3861" "/opt/rustwide/cargo-home/bin/cargo" "+28b6e691688c15cef4c60d9044274e7b84397870" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d92c9716c7a31457a619c08697a1652b8b7f31c49b13e0e66e54d9900ab3861", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0d92c9716c7a31457a619c08697a1652b8b7f31c49b13e0e66e54d9900ab3861" "/opt/rustwide/cargo-home/bin/cargo" "+28b6e691688c15cef4c60d9044274e7b84397870" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling proto-vulcan-macros v0.1.6
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking proto-vulcan v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/relation/clpfd/distinctfd.rs:187:13
[INFO] [stdout]     |
[INFO] [stdout] 187 |         let mut mself = Rc::make_mut(&mut self);
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/state/fd.rs:211:17
[INFO] [stdout]     |
[INFO] [stdout] 211 |     pub fn iter(&self) -> FiniteDomainIter {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 211 |     pub fn iter(&self) -> FiniteDomainIter<'_> {
[INFO] [stdout]     |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/relation/clpfd/distinctfd.rs:187:13
[INFO] [stdout]     |
[INFO] [stdout] 187 |         let mut mself = Rc::make_mut(&mut self);
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/state/fd.rs:211:17
[INFO] [stdout]     |
[INFO] [stdout] 211 |     pub fn iter(&self) -> FiniteDomainIter {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 211 |     pub fn iter(&self) -> FiniteDomainIter<'_> {
[INFO] [stdout]     |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.76s
[INFO] running `Command { std: "docker" "inspect" "0d92c9716c7a31457a619c08697a1652b8b7f31c49b13e0e66e54d9900ab3861", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d92c9716c7a31457a619c08697a1652b8b7f31c49b13e0e66e54d9900ab3861", kill_on_drop: false }`
[INFO] [stdout] 0d92c9716c7a31457a619c08697a1652b8b7f31c49b13e0e66e54d9900ab3861
