[INFO] fetching crate sliding_window_alt 0.1.2...
[INFO] building sliding_window_alt-0.1.2 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate sliding_window_alt 0.1.2 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate sliding_window_alt 0.1.2
[INFO] finished tweaking crates.io crate sliding_window_alt 0.1.2
[INFO] tweaked toml for crates.io crate sliding_window_alt 0.1.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sliding_window_alt 0.1.2 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sliding_window_alt 0.1.2 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7b63e82dbdf147dd0eb70fe00a8041ec502b2baf92ca7ff907dc432e1f8274bf
[INFO] running `Command { std: "docker" "start" "-a" "7b63e82dbdf147dd0eb70fe00a8041ec502b2baf92ca7ff907dc432e1f8274bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b63e82dbdf147dd0eb70fe00a8041ec502b2baf92ca7ff907dc432e1f8274bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b63e82dbdf147dd0eb70fe00a8041ec502b2baf92ca7ff907dc432e1f8274bf", kill_on_drop: false }`
[INFO] [stdout] 7b63e82dbdf147dd0eb70fe00a8041ec502b2baf92ca7ff907dc432e1f8274bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b2027d14fc3f2ee3401b2cc86a3ce9e3eda128f0c9d85f0f59eb675266debfc
[INFO] running `Command { std: "docker" "start" "-a" "1b2027d14fc3f2ee3401b2cc86a3ce9e3eda128f0c9d85f0f59eb675266debfc", kill_on_drop: false }`
[INFO] [stderr]    Compiling sliding_window_alt v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:246:17
[INFO] [stdout]     |
[INFO] [stdout] 246 |     pub fn iter(&self) -> Chain<Iter<T>, Iter<T>> {
[INFO] [stdout]     |                 ^^^^^           ^^^^^^^  ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |               |
[INFO] [stdout]     |                 |               the same lifetime is hidden here
[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] 246 |     pub fn iter(&self) -> Chain<Iter<'_, T>, Iter<'_, T>> {
[INFO] [stdout]     |                                      +++          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:252:21
[INFO] [stdout]     |
[INFO] [stdout] 252 |     pub fn iter_mut(&mut self) -> Chain<IterMut<T>, IterMut<T>> {
[INFO] [stdout]     |                     ^^^^^^^^^           ^^^^^^^^^^  ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |                   |
[INFO] [stdout]     |                     |                   the same lifetime is hidden here
[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] 252 |     pub fn iter_mut(&mut self) -> Chain<IterMut<'_, T>, IterMut<'_, T>> {
[INFO] [stdout]     |                                                 +++             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "1b2027d14fc3f2ee3401b2cc86a3ce9e3eda128f0c9d85f0f59eb675266debfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b2027d14fc3f2ee3401b2cc86a3ce9e3eda128f0c9d85f0f59eb675266debfc", kill_on_drop: false }`
[INFO] [stdout] 1b2027d14fc3f2ee3401b2cc86a3ce9e3eda128f0c9d85f0f59eb675266debfc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9eaa61fcd224479cf8b3ef941237b72301295af1fdf947b4c7c3639c1286765
[INFO] running `Command { std: "docker" "start" "-a" "b9eaa61fcd224479cf8b3ef941237b72301295af1fdf947b4c7c3639c1286765", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.7
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling libc v0.2.122
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling circular-queue v0.2.6
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling queues v1.1.0
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:246:17
[INFO] [stdout]     |
[INFO] [stdout] 246 |     pub fn iter(&self) -> Chain<Iter<T>, Iter<T>> {
[INFO] [stdout]     |                 ^^^^^           ^^^^^^^  ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |               |
[INFO] [stdout]     |                 |               the same lifetime is hidden here
[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] 246 |     pub fn iter(&self) -> Chain<Iter<'_, T>, Iter<'_, T>> {
[INFO] [stdout]     |                                      +++          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:252:21
[INFO] [stdout]     |
[INFO] [stdout] 252 |     pub fn iter_mut(&mut self) -> Chain<IterMut<T>, IterMut<T>> {
[INFO] [stdout]     |                     ^^^^^^^^^           ^^^^^^^^^^  ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |                   |
[INFO] [stdout]     |                     |                   the same lifetime is hidden here
[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] 252 |     pub fn iter_mut(&mut self) -> Chain<IterMut<'_, T>, IterMut<'_, T>> {
[INFO] [stdout]     |                                                 +++             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling sliding_window v0.1.2
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.3.6
[INFO] [stderr]    Compiling sliding_window_alt v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:246:17
[INFO] [stdout]     |
[INFO] [stdout] 246 |     pub fn iter(&self) -> Chain<Iter<T>, Iter<T>> {
[INFO] [stdout]     |                 ^^^^^           ^^^^^^^  ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |               |
[INFO] [stdout]     |                 |               the same lifetime is hidden here
[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] 246 |     pub fn iter(&self) -> Chain<Iter<'_, T>, Iter<'_, T>> {
[INFO] [stdout]     |                                      +++          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:252:21
[INFO] [stdout]     |
[INFO] [stdout] 252 |     pub fn iter_mut(&mut self) -> Chain<IterMut<T>, IterMut<T>> {
[INFO] [stdout]     |                     ^^^^^^^^^           ^^^^^^^^^^  ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |                   |
[INFO] [stdout]     |                     |                   the same lifetime is hidden here
[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] 252 |     pub fn iter_mut(&mut self) -> Chain<IterMut<'_, T>, IterMut<'_, T>> {
[INFO] [stdout]     |                                                 +++             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 22.60s
[INFO] running `Command { std: "docker" "inspect" "b9eaa61fcd224479cf8b3ef941237b72301295af1fdf947b4c7c3639c1286765", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9eaa61fcd224479cf8b3ef941237b72301295af1fdf947b4c7c3639c1286765", kill_on_drop: false }`
[INFO] [stdout] b9eaa61fcd224479cf8b3ef941237b72301295af1fdf947b4c7c3639c1286765
