[INFO] fetching crate flo_rope 0.2.0...
[INFO] checking flo_rope-0.2.0 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate flo_rope 0.2.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate flo_rope 0.2.0
[INFO] finished tweaking crates.io crate flo_rope 0.2.0
[INFO] tweaked toml for crates.io crate flo_rope 0.2.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate flo_rope 0.2.0 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] 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] 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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54af8dc0e831ef0df081b2c1e20ce2dc841bd7eedb7873c59c11c918d462b1ff
[INFO] running `Command { std: "docker" "start" "-a" "54af8dc0e831ef0df081b2c1e20ce2dc841bd7eedb7873c59c11c918d462b1ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54af8dc0e831ef0df081b2c1e20ce2dc841bd7eedb7873c59c11c918d462b1ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54af8dc0e831ef0df081b2c1e20ce2dc841bd7eedb7873c59c11c918d462b1ff", kill_on_drop: false }`
[INFO] [stdout] 54af8dc0e831ef0df081b2c1e20ce2dc841bd7eedb7873c59c11c918d462b1ff
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf631d386b26aff917b9a787a63e9ab9cbaf2b2031bc5eb13931b2a1037f6b5e
[INFO] running `Command { std: "docker" "start" "-a" "bf631d386b26aff917b9a787a63e9ab9cbaf2b2031bc5eb13931b2a1037f6b5e", kill_on_drop: false }`
[INFO] [stderr]     Checking flo_rope v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::attributed_rope::*`
[INFO] [stdout]   --> src/rope/mod.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub use self::attributed_rope::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::attributed_rope::*`
[INFO] [stdout]   --> src/rope/mod.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub use self::attributed_rope::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/api/rope_trait.rs:21:24
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn read_cells<'a>(&'a self, range: Range<usize>) -> Box<dyn 'a+Iterator<Item=&Self::Cell>>;
[INFO] [stdout]    |                        ^^ the lifetime is named here                             ----------- the same 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: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn read_cells<'a>(&'a self, range: Range<usize>) -> Box<dyn 'a+Iterator<Item=&'a Self::Cell>>;
[INFO] [stdout]    |                                                                                   ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/rope/attributed_rope.rs:582:24
[INFO] [stdout]     |
[INFO] [stdout] 582 |     fn read_cells<'a>(&'a self, range: Range<usize>) -> Box<dyn 'a+Iterator<Item=&Self::Cell>> {
[INFO] [stdout]     |                        ^^ the lifetime is named here                             ----------- the same 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: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 582 |     fn read_cells<'a>(&'a self, range: Range<usize>) -> Box<dyn 'a+Iterator<Item=&'a Self::Cell>> {
[INFO] [stdout]     |                                                                                   ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/stream_rope/push_rope.rs:47:24
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn read_cells<'a>(&'a self, range: Range<usize>) -> Box<dyn 'a+Iterator<Item=&Self::Cell>> {
[INFO] [stdout]    |                        ^^ the lifetime is named here                             ----------- the same 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: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn read_cells<'a>(&'a self, range: Range<usize>) -> Box<dyn 'a+Iterator<Item=&'a Self::Cell>> {
[INFO] [stdout]    |                                                                                   ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/stream_rope/push_rope.rs:117:24
[INFO] [stdout]     |
[INFO] [stdout] 117 |     fn read_cells<'a>(&'a self, range: Range<usize>) -> Box<dyn 'a+Iterator<Item=&Self::Cell>> {
[INFO] [stdout]     |                        ^^ the lifetime is named here                             ----------- the same 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: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 117 |     fn read_cells<'a>(&'a self, range: Range<usize>) -> Box<dyn 'a+Iterator<Item=&'a Self::Cell>> {
[INFO] [stdout]     |                                                                                   ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/stream_rope/pull_rope.rs:361:24
[INFO] [stdout]     |
[INFO] [stdout] 361 |     fn read_cells<'a>(&'a self, range: Range<usize>) -> Box<dyn 'a+Iterator<Item=&Self::Cell>> {
[INFO] [stdout]     |                        ^^ the lifetime is named here                             ----------- the same 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: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 361 |     fn read_cells<'a>(&'a self, range: Range<usize>) -> Box<dyn 'a+Iterator<Item=&'a Self::Cell>> {
[INFO] [stdout]     |                                                                                   ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/api/rope_trait.rs:21:24
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn read_cells<'a>(&'a self, range: Range<usize>) -> Box<dyn 'a+Iterator<Item=&Self::Cell>>;
[INFO] [stdout]    |                        ^^ the lifetime is named here                             ----------- the same 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: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn read_cells<'a>(&'a self, range: Range<usize>) -> Box<dyn 'a+Iterator<Item=&'a Self::Cell>>;
[INFO] [stdout]    |                                                                                   ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/rope/attributed_rope.rs:582:24
[INFO] [stdout]     |
[INFO] [stdout] 582 |     fn read_cells<'a>(&'a self, range: Range<usize>) -> Box<dyn 'a+Iterator<Item=&Self::Cell>> {
[INFO] [stdout]     |                        ^^ the lifetime is named here                             ----------- the same 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: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 582 |     fn read_cells<'a>(&'a self, range: Range<usize>) -> Box<dyn 'a+Iterator<Item=&'a Self::Cell>> {
[INFO] [stdout]     |                                                                                   ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/stream_rope/push_rope.rs:47:24
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn read_cells<'a>(&'a self, range: Range<usize>) -> Box<dyn 'a+Iterator<Item=&Self::Cell>> {
[INFO] [stdout]    |                        ^^ the lifetime is named here                             ----------- the same 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: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn read_cells<'a>(&'a self, range: Range<usize>) -> Box<dyn 'a+Iterator<Item=&'a Self::Cell>> {
[INFO] [stdout]    |                                                                                   ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/stream_rope/push_rope.rs:117:24
[INFO] [stdout]     |
[INFO] [stdout] 117 |     fn read_cells<'a>(&'a self, range: Range<usize>) -> Box<dyn 'a+Iterator<Item=&Self::Cell>> {
[INFO] [stdout]     |                        ^^ the lifetime is named here                             ----------- the same 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: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 117 |     fn read_cells<'a>(&'a self, range: Range<usize>) -> Box<dyn 'a+Iterator<Item=&'a Self::Cell>> {
[INFO] [stdout]     |                                                                                   ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/stream_rope/pull_rope.rs:361:24
[INFO] [stdout]     |
[INFO] [stdout] 361 |     fn read_cells<'a>(&'a self, range: Range<usize>) -> Box<dyn 'a+Iterator<Item=&Self::Cell>> {
[INFO] [stdout]     |                        ^^ the lifetime is named here                             ----------- the same 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: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 361 |     fn read_cells<'a>(&'a self, range: Range<usize>) -> Box<dyn 'a+Iterator<Item=&'a Self::Cell>> {
[INFO] [stdout]     |                                                                                   ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "bf631d386b26aff917b9a787a63e9ab9cbaf2b2031bc5eb13931b2a1037f6b5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf631d386b26aff917b9a787a63e9ab9cbaf2b2031bc5eb13931b2a1037f6b5e", kill_on_drop: false }`
[INFO] [stdout] bf631d386b26aff917b9a787a63e9ab9cbaf2b2031bc5eb13931b2a1037f6b5e