[INFO] cloning repository https://github.com/ametisf/snapshot_repeat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ametisf/snapshot_repeat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fametisf%2Fsnapshot_repeat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fametisf%2Fsnapshot_repeat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] de4294bd29df1df4da16b70d04be1fe3b50c41f1
[INFO] testing ametisf/snapshot_repeat against master#77d155973c6c22a0e1af49a4a9bac024f697851d for pr-85530-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fametisf%2Fsnapshot_repeat" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ametisf/snapshot_repeat on toolchain 77d155973c6c22a0e1af49a4a9bac024f697851d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+77d155973c6c22a0e1af49a4a9bac024f697851d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ametisf/snapshot_repeat
[INFO] finished tweaking git repo https://github.com/ametisf/snapshot_repeat
[INFO] tweaked toml for git repo https://github.com/ametisf/snapshot_repeat written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/ametisf/snapshot_repeat already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+77d155973c6c22a0e1af49a4a9bac024f697851d" "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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+77d155973c6c22a0e1af49a4a9bac024f697851d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ec8fd5b102400e00b77603ee7a572d3921de4af33ba591de55b6108014246ec
[INFO] running `Command { std: "docker" "start" "-a" "1ec8fd5b102400e00b77603ee7a572d3921de4af33ba591de55b6108014246ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ec8fd5b102400e00b77603ee7a572d3921de4af33ba591de55b6108014246ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ec8fd5b102400e00b77603ee7a572d3921de4af33ba591de55b6108014246ec", kill_on_drop: false }`
[INFO] [stdout] 1ec8fd5b102400e00b77603ee7a572d3921de4af33ba591de55b6108014246ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+77d155973c6c22a0e1af49a4a9bac024f697851d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7692c69421c6ee7f88e9dafe6eff4673a4a112d8b7d559818da1fc6f84829c6c
[INFO] running `Command { std: "docker" "start" "-a" "7692c69421c6ee7f88e9dafe6eff4673a4a112d8b7d559818da1fc6f84829c6c", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling vst v0.2.1 (https://github.com/RustAudio/vst-rs?rev=02847c7#02847c73)
[INFO] [stderr]    Compiling snapshot_repeat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `slice_fill` has been stable since 1.50.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(slice_fill)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.45s
[INFO] running `Command { std: "docker" "inspect" "7692c69421c6ee7f88e9dafe6eff4673a4a112d8b7d559818da1fc6f84829c6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7692c69421c6ee7f88e9dafe6eff4673a4a112d8b7d559818da1fc6f84829c6c", kill_on_drop: false }`
[INFO] [stdout] 7692c69421c6ee7f88e9dafe6eff4673a4a112d8b7d559818da1fc6f84829c6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+77d155973c6c22a0e1af49a4a9bac024f697851d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27c9c7b4888283220f22b71d96b588e8d9f4de7539b3ed5b6e534fa99fa665d4
[INFO] running `Command { std: "docker" "start" "-a" "27c9c7b4888283220f22b71d96b588e8d9f4de7539b3ed5b6e534fa99fa665d4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling snapshot_repeat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `slice_fill` has been stable since 1.50.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(slice_fill)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.27s
[INFO] running `Command { std: "docker" "inspect" "27c9c7b4888283220f22b71d96b588e8d9f4de7539b3ed5b6e534fa99fa665d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27c9c7b4888283220f22b71d96b588e8d9f4de7539b3ed5b6e534fa99fa665d4", kill_on_drop: false }`
[INFO] [stdout] 27c9c7b4888283220f22b71d96b588e8d9f4de7539b3ed5b6e534fa99fa665d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+77d155973c6c22a0e1af49a4a9bac024f697851d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 76fc80ee37260cb853db3e4a4904d48e25bd8368271128c76808fd36ac1aca87
[INFO] running `Command { std: "docker" "start" "-a" "76fc80ee37260cb853db3e4a4904d48e25bd8368271128c76808fd36ac1aca87", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: the feature `slice_fill` has been stable since 1.50.0 and no longer requires an attribute to enable
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/lib.rs:4:12
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 4 | #![feature(slice_fill)]
[INFO] [stdout] 
[INFO] [stderr]   |            ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/snapshot_repeat-f2ac72a1cbe49a85)
[INFO] running `Command { std: "docker" "inspect" "76fc80ee37260cb853db3e4a4904d48e25bd8368271128c76808fd36ac1aca87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76fc80ee37260cb853db3e4a4904d48e25bd8368271128c76808fd36ac1aca87", kill_on_drop: false }`
[INFO] [stdout] 76fc80ee37260cb853db3e4a4904d48e25bd8368271128c76808fd36ac1aca87