[INFO] fetching crate stack-db 0.3.5...
[INFO] building stack-db-0.3.5 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate stack-db 0.3.5 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate stack-db 0.3.5
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate stack-db 0.3.5
[INFO] tweaked toml for crates.io crate stack-db 0.3.5 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate stack-db 0.3.5 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 stack-db 0.3.5 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 26e9b14318621382d8999330f077bc431aad5f7022bf266a0beb395f18298d71
[INFO] running `Command { std: "docker" "start" "-a" "26e9b14318621382d8999330f077bc431aad5f7022bf266a0beb395f18298d71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26e9b14318621382d8999330f077bc431aad5f7022bf266a0beb395f18298d71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26e9b14318621382d8999330f077bc431aad5f7022bf266a0beb395f18298d71", kill_on_drop: false }`
[INFO] [stdout] 26e9b14318621382d8999330f077bc431aad5f7022bf266a0beb395f18298d71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 28d15999e064b8d5ed47d2d260afcbf4b33a2e6a2bd6afadfb039644a5f6d97f
[INFO] running `Command { std: "docker" "start" "-a" "28d15999e064b8d5ed47d2d260afcbf4b33a2e6a2bd6afadfb039644a5f6d97f", kill_on_drop: false }`
[INFO] [stderr]    Compiling stack-db v0.3.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/base/layer.rs:123:27
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub fn read_unchecked(&mut self, addr: &Range<u64>) -> Result<(Range<usize>, Cow<[u8]>), Error> {
[INFO] [stdout]     |                           ^^^^^^^^^ the lifetime is elided here                  ^^^^^^^^^ the same lifetime is hidden 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] 123 |     pub fn read_unchecked(&mut self, addr: &Range<u64>) -> Result<(Range<usize>, Cow<'_, [u8]>), Error> {
[INFO] [stdout]     |                                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "28d15999e064b8d5ed47d2d260afcbf4b33a2e6a2bd6afadfb039644a5f6d97f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28d15999e064b8d5ed47d2d260afcbf4b33a2e6a2bd6afadfb039644a5f6d97f", kill_on_drop: false }`
[INFO] [stdout] 28d15999e064b8d5ed47d2d260afcbf4b33a2e6a2bd6afadfb039644a5f6d97f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 48ab7b3a0bf5c89476ce65cc680fd8f50639c4ebb4a6c9eb8ee2d39d27985844
[INFO] running `Command { std: "docker" "start" "-a" "48ab7b3a0bf5c89476ce65cc680fd8f50639c4ebb4a6c9eb8ee2d39d27985844", kill_on_drop: false }`
[INFO] [stderr]    Compiling stack-db v0.3.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/base/layer.rs:123:27
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub fn read_unchecked(&mut self, addr: &Range<u64>) -> Result<(Range<usize>, Cow<[u8]>), Error> {
[INFO] [stdout]     |                           ^^^^^^^^^ the lifetime is elided here                  ^^^^^^^^^ the same lifetime is hidden 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] 123 |     pub fn read_unchecked(&mut self, addr: &Range<u64>) -> Result<(Range<usize>, Cow<'_, [u8]>), Error> {
[INFO] [stdout]     |                                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/base/layer.rs:123:27
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub fn read_unchecked(&mut self, addr: &Range<u64>) -> Result<(Range<usize>, Cow<[u8]>), Error> {
[INFO] [stdout]     |                           ^^^^^^^^^ the lifetime is elided here                  ^^^^^^^^^ the same lifetime is hidden 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] 123 |     pub fn read_unchecked(&mut self, addr: &Range<u64>) -> Result<(Range<usize>, Cow<'_, [u8]>), Error> {
[INFO] [stdout]     |                                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "48ab7b3a0bf5c89476ce65cc680fd8f50639c4ebb4a6c9eb8ee2d39d27985844", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48ab7b3a0bf5c89476ce65cc680fd8f50639c4ebb4a6c9eb8ee2d39d27985844", kill_on_drop: false }`
[INFO] [stdout] 48ab7b3a0bf5c89476ce65cc680fd8f50639c4ebb4a6c9eb8ee2d39d27985844
