[INFO] fetching crate hfs 1.0.0...
[INFO] checking hfs-1.0.0 against try#39605810efb1a0d52f955bfba9e4eec7a01d5deb for pr-153692
[INFO] extracting crate hfs 1.0.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate hfs 1.0.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate hfs 1.0.0
[INFO] tweaked toml for crates.io crate hfs 1.0.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate hfs 1.0.0 on toolchain 39605810efb1a0d52f955bfba9e4eec7a01d5deb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39605810efb1a0d52f955bfba9e4eec7a01d5deb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate hfs 1.0.0 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" "+39605810efb1a0d52f955bfba9e4eec7a01d5deb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+39605810efb1a0d52f955bfba9e4eec7a01d5deb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 841548b48d3d8c0711c2bcf41ab2a27e8b0bd9a9a6b129859a232d49069d9b2f
[INFO] running `Command { std: "docker" "start" "-a" "841548b48d3d8c0711c2bcf41ab2a27e8b0bd9a9a6b129859a232d49069d9b2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "841548b48d3d8c0711c2bcf41ab2a27e8b0bd9a9a6b129859a232d49069d9b2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "841548b48d3d8c0711c2bcf41ab2a27e8b0bd9a9a6b129859a232d49069d9b2f", kill_on_drop: false }`
[INFO] [stdout] 841548b48d3d8c0711c2bcf41ab2a27e8b0bd9a9a6b129859a232d49069d9b2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+39605810efb1a0d52f955bfba9e4eec7a01d5deb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92d00342af8b2b461a318541e6a1bc882461e1010d65e43d54aff410a0a06d6c
[INFO] running `Command { std: "docker" "start" "-a" "92d00342af8b2b461a318541e6a1bc882461e1010d65e43d54aff410a0a06d6c", kill_on_drop: false }`
[INFO] [stderr]     Checking gcd v2.3.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]    Compiling concat-idents v1.1.5
[INFO] [stderr]    Compiling derive_more v0.99.18
[INFO] [stderr]     Checking hfs v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: `self` parameter type does not contain `Self`
[INFO] [stdout]    --> src/levels.rs:458:15
[INFO] [stdout]     |
[INFO] [stdout] 458 |         self: &'a Mset,
[INFO] [stdout]     |               ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `&self`, `&mut self`, or `self: &Self` for correct lifetime elision
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #140611 <https://github.com/rust-lang/rust/issues/140611>
[INFO] [stdout]     = note: `#[deny(self_lifetime_elision_not_applicable)]` (part of `#[deny(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `self` parameter type does not contain `Self`
[INFO] [stdout]    --> src/levels.rs:468:15
[INFO] [stdout]     |
[INFO] [stdout] 468 |         self: &'a Mset,
[INFO] [stdout]     |               ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `&self`, `&mut self`, or `self: &Self` for correct lifetime elision
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #140611 <https://github.com/rust-lang/rust/issues/140611>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `self` parameter type does not contain `Self`
[INFO] [stdout]    --> src/levels.rs:458:15
[INFO] [stdout]     |
[INFO] [stdout] 458 |         self: &'a Mset,
[INFO] [stdout]     |               ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `&self`, `&mut self`, or `self: &Self` for correct lifetime elision
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #140611 <https://github.com/rust-lang/rust/issues/140611>
[INFO] [stdout]     = note: `#[deny(self_lifetime_elision_not_applicable)]` (part of `#[deny(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `self` parameter type does not contain `Self`
[INFO] [stdout]    --> src/levels.rs:468:15
[INFO] [stdout]     |
[INFO] [stdout] 468 |         self: &'a Mset,
[INFO] [stdout]     |               ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `&self`, `&mut self`, or `self: &Self` for correct lifetime elision
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #140611 <https://github.com/rust-lang/rust/issues/140611>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:140:13
[INFO] [stdout]     |
[INFO] [stdout] 140 |     fn iter(&self) -> slice::Iter<Self> {
[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] 140 |     fn iter(&self) -> slice::Iter<'_, Self> {
[INFO] [stdout]     |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/levels.rs:220:77
[INFO] [stdout]     |
[INFO] [stdout] 220 |     ($t: ty) => { impl DoubleEndedIterator<Item = $t> + ExactSizeIterator + '_ };
[INFO] [stdout]     |                                                                             ^^ the same lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 502 |         &'a self,
[INFO] [stdout]     |          -- the lifetime is named here
[INFO] [stdout] 503 |         level: usize,
[INFO] [stdout] 504 |         slice: &'a [U],
[INFO] [stdout]     |                 -- the lifetime is named here
[INFO] [stdout] 505 |     ) -> traits!(&'a [U]) {
[INFO] [stdout]     |          ----------------
[INFO] [stdout]     |          |        |
[INFO] [stdout]     |          |        the same lifetime is named here
[INFO] [stdout]     |          in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: this warning originates in the macro `traits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 220 -     ($t: ty) => { impl DoubleEndedIterator<Item = $t> + ExactSizeIterator + '_ };
[INFO] [stdout] 220 +     ($t: ty) => { impl DoubleEndedIterator<Item = $t> + ExactSizeIterator + 'a };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/levels.rs:220:77
[INFO] [stdout]     |
[INFO] [stdout] 220 |     ($t: ty) => { impl DoubleEndedIterator<Item = $t> + ExactSizeIterator + '_ };
[INFO] [stdout]     |                                                                             ^^ the same lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 519 |         &'a self,
[INFO] [stdout]     |          -- the lifetime is named here
[INFO] [stdout] 520 |         level: usize,
[INFO] [stdout] 521 |         slice: &'a mut [U],
[INFO] [stdout]     |                 -- the lifetime is named here
[INFO] [stdout] 522 |     ) -> traits!(&'a mut [U]) {
[INFO] [stdout]     |          --------------------
[INFO] [stdout]     |          |        |
[INFO] [stdout]     |          |        the same lifetime is named here
[INFO] [stdout]     |          in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: this warning originates in the macro `traits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 220 -     ($t: ty) => { impl DoubleEndedIterator<Item = $t> + ExactSizeIterator + '_ };
[INFO] [stdout] 220 +     ($t: ty) => { impl DoubleEndedIterator<Item = $t> + ExactSizeIterator + 'a };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/mset.rs:580:21
[INFO] [stdout]     |
[INFO] [stdout] 580 |     pub fn iter_mut(&mut self) -> slice::IterMut<Self> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 580 |     pub fn iter_mut(&mut self) -> slice::IterMut<'_, Self> {
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/set.rs:570:28
[INFO] [stdout]     |
[INFO] [stdout] 570 |     pub unsafe fn iter_mut(&mut self) -> slice::IterMut<Self> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 570 |     pub unsafe fn iter_mut(&mut self) -> slice::IterMut<'_, Self> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hfs` (lib) due to 2 previous errors; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:140:13
[INFO] [stdout]     |
[INFO] [stdout] 140 |     fn iter(&self) -> slice::Iter<Self> {
[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] 140 |     fn iter(&self) -> slice::Iter<'_, Self> {
[INFO] [stdout]     |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/levels.rs:220:77
[INFO] [stdout]     |
[INFO] [stdout] 220 |     ($t: ty) => { impl DoubleEndedIterator<Item = $t> + ExactSizeIterator + '_ };
[INFO] [stdout]     |                                                                             ^^ the same lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 502 |         &'a self,
[INFO] [stdout]     |          -- the lifetime is named here
[INFO] [stdout] 503 |         level: usize,
[INFO] [stdout] 504 |         slice: &'a [U],
[INFO] [stdout]     |                 -- the lifetime is named here
[INFO] [stdout] 505 |     ) -> traits!(&'a [U]) {
[INFO] [stdout]     |          ----------------
[INFO] [stdout]     |          |        |
[INFO] [stdout]     |          |        the same lifetime is named here
[INFO] [stdout]     |          in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: this warning originates in the macro `traits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 220 -     ($t: ty) => { impl DoubleEndedIterator<Item = $t> + ExactSizeIterator + '_ };
[INFO] [stdout] 220 +     ($t: ty) => { impl DoubleEndedIterator<Item = $t> + ExactSizeIterator + 'a };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/levels.rs:220:77
[INFO] [stdout]     |
[INFO] [stdout] 220 |     ($t: ty) => { impl DoubleEndedIterator<Item = $t> + ExactSizeIterator + '_ };
[INFO] [stdout]     |                                                                             ^^ the same lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 519 |         &'a self,
[INFO] [stdout]     |          -- the lifetime is named here
[INFO] [stdout] 520 |         level: usize,
[INFO] [stdout] 521 |         slice: &'a mut [U],
[INFO] [stdout]     |                 -- the lifetime is named here
[INFO] [stdout] 522 |     ) -> traits!(&'a mut [U]) {
[INFO] [stdout]     |          --------------------
[INFO] [stdout]     |          |        |
[INFO] [stdout]     |          |        the same lifetime is named here
[INFO] [stdout]     |          in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: this warning originates in the macro `traits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 220 -     ($t: ty) => { impl DoubleEndedIterator<Item = $t> + ExactSizeIterator + '_ };
[INFO] [stdout] 220 +     ($t: ty) => { impl DoubleEndedIterator<Item = $t> + ExactSizeIterator + 'a };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/mset.rs:580:21
[INFO] [stdout]     |
[INFO] [stdout] 580 |     pub fn iter_mut(&mut self) -> slice::IterMut<Self> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 580 |     pub fn iter_mut(&mut self) -> slice::IterMut<'_, Self> {
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/set.rs:570:28
[INFO] [stdout]     |
[INFO] [stdout] 570 |     pub unsafe fn iter_mut(&mut self) -> slice::IterMut<Self> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 570 |     pub unsafe fn iter_mut(&mut self) -> slice::IterMut<'_, Self> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hfs` (lib test) due to 2 previous errors; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "92d00342af8b2b461a318541e6a1bc882461e1010d65e43d54aff410a0a06d6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92d00342af8b2b461a318541e6a1bc882461e1010d65e43d54aff410a0a06d6c", kill_on_drop: false }`
[INFO] [stdout] 92d00342af8b2b461a318541e6a1bc882461e1010d65e43d54aff410a0a06d6c