[INFO] fetching crate emballoc 0.3.0...
[INFO] checking emballoc-0.3.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate emballoc 0.3.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate emballoc 0.3.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate emballoc 0.3.0
[INFO] tweaked toml for crates.io crate emballoc 0.3.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate emballoc 0.3.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] [stderr]       Adding spin v0.9.8 (available: v0.10.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8dd9cf01b0fcacaab7a67cd500998f9bb84fcf84ac6aa37ac83a22d723ce59d
[INFO] running `Command { std: "docker" "start" "-a" "a8dd9cf01b0fcacaab7a67cd500998f9bb84fcf84ac6aa37ac83a22d723ce59d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8dd9cf01b0fcacaab7a67cd500998f9bb84fcf84ac6aa37ac83a22d723ce59d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8dd9cf01b0fcacaab7a67cd500998f9bb84fcf84ac6aa37ac83a22d723ce59d", kill_on_drop: false }`
[INFO] [stdout] a8dd9cf01b0fcacaab7a67cd500998f9bb84fcf84ac6aa37ac83a22d723ce59d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f6d6e7d43f1b1b4b262ef3c96c6a1164c40120c537023dbe61455c6663e667f
[INFO] running `Command { std: "docker" "start" "-a" "7f6d6e7d43f1b1b4b262ef3c96c6a1164c40120c537023dbe61455c6663e667f", kill_on_drop: false }`
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking emballoc v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/raw_allocator/buffer.rs:143:26
[INFO] [stdout]     |
[INFO] [stdout] 143 |     pub const fn entries(&self) -> EntryIter<N> {
[INFO] [stdout]     |                          ^^^^^     ------------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 143 |     pub const fn entries(&self) -> EntryIter<'_, N> {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/raw_allocator/buffer.rs:143:26
[INFO] [stdout]     |
[INFO] [stdout] 143 |     pub const fn entries(&self) -> EntryIter<N> {
[INFO] [stdout]     |                          ^^^^^     ------------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 143 |     pub const fn entries(&self) -> EntryIter<'_, N> {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> tests/sections.rs:64:23
[INFO] [stdout]    |
[INFO] [stdout] 64 |             data_end: unsafe { ptr::addr_of!(__bss_start) } as usize,
[INFO] [stdout]    |                       ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> tests/sections.rs:65:24
[INFO] [stdout]    |
[INFO] [stdout] 65 |             bss_start: unsafe { ptr::addr_of!(_edata) } as usize,
[INFO] [stdout]    |                        ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.11s
[INFO] running `Command { std: "docker" "inspect" "7f6d6e7d43f1b1b4b262ef3c96c6a1164c40120c537023dbe61455c6663e667f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f6d6e7d43f1b1b4b262ef3c96c6a1164c40120c537023dbe61455c6663e667f", kill_on_drop: false }`
[INFO] [stdout] 7f6d6e7d43f1b1b4b262ef3c96c6a1164c40120c537023dbe61455c6663e667f