[INFO] fetching crate soundchip 0.4.61...
[INFO] building soundchip-0.4.61 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate soundchip 0.4.61 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate soundchip 0.4.61
[INFO] finished tweaking crates.io crate soundchip 0.4.61
[INFO] tweaked toml for crates.io crate soundchip 0.4.61 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate soundchip 0.4.61 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate soundchip 0.4.61 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7b7ececc7d585a84c5f4f6dee93f7623233abac65f515c657eaac9bf7f6a3d8
[INFO] running `Command { std: "docker" "start" "-a" "b7b7ececc7d585a84c5f4f6dee93f7623233abac65f515c657eaac9bf7f6a3d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7b7ececc7d585a84c5f4f6dee93f7623233abac65f515c657eaac9bf7f6a3d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7b7ececc7d585a84c5f4f6dee93f7623233abac65f515c657eaac9bf7f6a3d8", kill_on_drop: false }`
[INFO] [stdout] b7b7ececc7d585a84c5f4f6dee93f7623233abac65f515c657eaac9bf7f6a3d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc1f100aedad7e66e47168d86b2fed9d6d568e0923cee263bb55de6e7790c903
[INFO] running `Command { std: "docker" "start" "-a" "dc1f100aedad7e66e47168d86b2fed9d6d568e0923cee263bb55de6e7790c903", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.11
[INFO] [stderr]    Compiling soundchip v0.4.61 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/prelude/sound_chip.rs:127:17
[INFO] [stdout]     |
[INFO] [stdout] 127 |     pub fn iter(&mut self, sample_count: usize) -> SoundChipIter {
[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] 127 |     pub fn iter(&mut self, sample_count: usize) -> SoundChipIter<'_> {
[INFO] [stdout]     |                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `Command { std: "docker" "inspect" "dc1f100aedad7e66e47168d86b2fed9d6d568e0923cee263bb55de6e7790c903", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc1f100aedad7e66e47168d86b2fed9d6d568e0923cee263bb55de6e7790c903", kill_on_drop: false }`
[INFO] [stdout] dc1f100aedad7e66e47168d86b2fed9d6d568e0923cee263bb55de6e7790c903
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f45121e30cdbd08fced21b6a4ce347e7f533fcfa75ffc46cee04ca78bab59e4f
[INFO] running `Command { std: "docker" "start" "-a" "f45121e30cdbd08fced21b6a4ce347e7f533fcfa75ffc46cee04ca78bab59e4f", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/prelude/sound_chip.rs:127:17
[INFO] [stdout]     |
[INFO] [stdout] 127 |     pub fn iter(&mut self, sample_count: usize) -> SoundChipIter {
[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] 127 |     pub fn iter(&mut self, sample_count: usize) -> SoundChipIter<'_> {
[INFO] [stdout]     |                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling soundchip v0.4.61 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/prelude/sound_chip.rs:127:17
[INFO] [stdout]     |
[INFO] [stdout] 127 |     pub fn iter(&mut self, sample_count: usize) -> SoundChipIter {
[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] 127 |     pub fn iter(&mut self, sample_count: usize) -> SoundChipIter<'_> {
[INFO] [stdout]     |                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "f45121e30cdbd08fced21b6a4ce347e7f533fcfa75ffc46cee04ca78bab59e4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f45121e30cdbd08fced21b6a4ce347e7f533fcfa75ffc46cee04ca78bab59e4f", kill_on_drop: false }`
[INFO] [stdout] f45121e30cdbd08fced21b6a4ce347e7f533fcfa75ffc46cee04ca78bab59e4f