[INFO] fetching crate sparsemat 0.2.0...
[INFO] building sparsemat-0.2.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate sparsemat 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate sparsemat 0.2.0
[INFO] finished tweaking crates.io crate sparsemat 0.2.0
[INFO] tweaked toml for crates.io crate sparsemat 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sparsemat 0.2.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5f662b3ad85b9ead7ef22006c0d2efaa524aa533d8a7d4af8d25388bcd4cc88
[INFO] running `Command { std: "docker" "start" "-a" "a5f662b3ad85b9ead7ef22006c0d2efaa524aa533d8a7d4af8d25388bcd4cc88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5f662b3ad85b9ead7ef22006c0d2efaa524aa533d8a7d4af8d25388bcd4cc88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5f662b3ad85b9ead7ef22006c0d2efaa524aa533d8a7d4af8d25388bcd4cc88", kill_on_drop: false }`
[INFO] [stdout] a5f662b3ad85b9ead7ef22006c0d2efaa524aa533d8a7d4af8d25388bcd4cc88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3fa7937a7951446e2c9232b7fb6e2f5a3b0c393bf79729a4ab0238e92600181
[INFO] running `Command { std: "docker" "start" "-a" "e3fa7937a7951446e2c9232b7fb6e2f5a3b0c393bf79729a4ab0238e92600181", kill_on_drop: false }`
[INFO] [stderr]    Compiling sparsemat v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/lib.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub use self::sparsemat_indexlist::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the name `IterCol` in the type namespace is first re-exported here
[INFO] [stdout] 17 | pub use self::sparsemat_crs::*;
[INFO] [stdout]    |         ---------------------- but the name `IterCol` in the type namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/indexlist.rs:85:28
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub(crate) fn iter_row(&self, row: usize) -> IterRow<I> {
[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] 85 |     pub(crate) fn iter_row(&self, row: usize) -> IterRow<'_, I> {
[INFO] [stdout]    |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/sparsematrix.rs:74:26
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn iter(&'a self) -> Iter<Self> {
[INFO] [stdout]    |              --          ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |              |
[INFO] [stdout]    |              the lifetime is named 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] 74 |     fn iter(&'a self) -> Iter<'a, Self> {
[INFO] [stdout]    |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/sparsemat_indexlist.rs:119:17
[INFO] [stdout]     |
[INFO] [stdout] 119 |     fn iter_row(&self, row: usize) -> IterRow<T, I> {
[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] 119 |     fn iter_row(&self, row: usize) -> IterRow<'_, T, I> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "e3fa7937a7951446e2c9232b7fb6e2f5a3b0c393bf79729a4ab0238e92600181", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3fa7937a7951446e2c9232b7fb6e2f5a3b0c393bf79729a4ab0238e92600181", kill_on_drop: false }`
[INFO] [stdout] e3fa7937a7951446e2c9232b7fb6e2f5a3b0c393bf79729a4ab0238e92600181
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bbdc06f4e247302115986f413619b760838ff8e5336df547a8c8ecc9cac39b33
[INFO] running `Command { std: "docker" "start" "-a" "bbdc06f4e247302115986f413619b760838ff8e5336df547a8c8ecc9cac39b33", kill_on_drop: false }`
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/lib.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub use self::sparsemat_indexlist::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the name `IterCol` in the type namespace is first re-exported here
[INFO] [stdout] 17 | pub use self::sparsemat_crs::*;
[INFO] [stdout]    |         ---------------------- but the name `IterCol` in the type namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/indexlist.rs:85:28
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub(crate) fn iter_row(&self, row: usize) -> IterRow<I> {
[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] 85 |     pub(crate) fn iter_row(&self, row: usize) -> IterRow<'_, I> {
[INFO] [stdout]    |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling sparsemat v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/sparsematrix.rs:74:26
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn iter(&'a self) -> Iter<Self> {
[INFO] [stdout]    |              --          ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |              |
[INFO] [stdout]    |              the lifetime is named 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] 74 |     fn iter(&'a self) -> Iter<'a, Self> {
[INFO] [stdout]    |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/sparsemat_indexlist.rs:119:17
[INFO] [stdout]     |
[INFO] [stdout] 119 |     fn iter_row(&self, row: usize) -> IterRow<T, I> {
[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] 119 |     fn iter_row(&self, row: usize) -> IterRow<'_, T, I> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/lib.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub use self::sparsemat_indexlist::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the name `IterCol` in the type namespace is first re-exported here
[INFO] [stdout] 17 | pub use self::sparsemat_crs::*;
[INFO] [stdout]    |         ---------------------- but the name `IterCol` in the type namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/indexlist.rs:85:28
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub(crate) fn iter_row(&self, row: usize) -> IterRow<I> {
[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] 85 |     pub(crate) fn iter_row(&self, row: usize) -> IterRow<'_, I> {
[INFO] [stdout]    |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/sparsematrix.rs:74:26
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn iter(&'a self) -> Iter<Self> {
[INFO] [stdout]    |              --          ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |              |
[INFO] [stdout]    |              the lifetime is named 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] 74 |     fn iter(&'a self) -> Iter<'a, Self> {
[INFO] [stdout]    |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/sparsemat_indexlist.rs:119:17
[INFO] [stdout]     |
[INFO] [stdout] 119 |     fn iter_row(&self, row: usize) -> IterRow<T, I> {
[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] 119 |     fn iter_row(&self, row: usize) -> IterRow<'_, T, I> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "bbdc06f4e247302115986f413619b760838ff8e5336df547a8c8ecc9cac39b33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbdc06f4e247302115986f413619b760838ff8e5336df547a8c8ecc9cac39b33", kill_on_drop: false }`
[INFO] [stdout] bbdc06f4e247302115986f413619b760838ff8e5336df547a8c8ecc9cac39b33