[INFO] fetching crate virtual-buffer 1.0.3...
[INFO] testing virtual-buffer-1.0.3 against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate virtual-buffer 1.0.3 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate virtual-buffer 1.0.3
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate virtual-buffer 1.0.3
[INFO] tweaked toml for crates.io crate virtual-buffer 1.0.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate virtual-buffer 1.0.3 on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate virtual-buffer 1.0.3 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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c558d1540b452a9802712787df4cd3b2eac3dbb056432b8605084f11dc53832
[INFO] running `Command { std: "docker" "start" "-a" "2c558d1540b452a9802712787df4cd3b2eac3dbb056432b8605084f11dc53832", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c558d1540b452a9802712787df4cd3b2eac3dbb056432b8605084f11dc53832", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c558d1540b452a9802712787df4cd3b2eac3dbb056432b8605084f11dc53832", kill_on_drop: false }`
[INFO] [stdout] 2c558d1540b452a9802712787df4cd3b2eac3dbb056432b8605084f11dc53832
[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 -Copt-level=3" "-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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf2ffc31fbf647123e7bfd4228c665ac3ea516218bcf4cf38cfb1ac3268bdbe2
[INFO] running `Command { std: "docker" "start" "-a" "bf2ffc31fbf647123e7bfd4228c665ac3ea516218bcf4cf38cfb1ac3268bdbe2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling virtual-buffer v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.25s
[INFO] running `Command { std: "docker" "inspect" "bf2ffc31fbf647123e7bfd4228c665ac3ea516218bcf4cf38cfb1ac3268bdbe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf2ffc31fbf647123e7bfd4228c665ac3ea516218bcf4cf38cfb1ac3268bdbe2", kill_on_drop: false }`
[INFO] [stdout] bf2ffc31fbf647123e7bfd4228c665ac3ea516218bcf4cf38cfb1ac3268bdbe2
[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 -Copt-level=3" "-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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46818849cb150be1d2e1d6c79636afd6ea3737081e40d7a4e9f2a3d7be7d6623
[INFO] running `Command { std: "docker" "start" "-a" "46818849cb150be1d2e1d6c79636afd6ea3737081e40d7a4e9f2a3d7be7d6623", kill_on_drop: false }`
[INFO] [stderr]    Compiling virtual-buffer v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.73s
[INFO] running `Command { std: "docker" "inspect" "46818849cb150be1d2e1d6c79636afd6ea3737081e40d7a4e9f2a3d7be7d6623", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46818849cb150be1d2e1d6c79636afd6ea3737081e40d7a4e9f2a3d7be7d6623", kill_on_drop: false }`
[INFO] [stdout] 46818849cb150be1d2e1d6c79636afd6ea3737081e40d7a4e9f2a3d7be7d6623
[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 -Copt-level=3" "-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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6cffb6c5de12a92ca9137b9a2137405cbded53bb7268bc6c12c4ad761f3aa992
[INFO] running `Command { std: "docker" "start" "-a" "6cffb6c5de12a92ca9137b9a2137405cbded53bb7268bc6c12c4ad761f3aa992", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/virtual_buffer-82c90f07ae6a25fa)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/vec.rs (/opt/rustwide/target/debug/deps/vec-15f44c7de99155ac)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test push_mut_immut ... ok
[INFO] [stdout] test push_stress has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "6cffb6c5de12a92ca9137b9a2137405cbded53bb7268bc6c12c4ad761f3aa992", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cffb6c5de12a92ca9137b9a2137405cbded53bb7268bc6c12c4ad761f3aa992", kill_on_drop: false }`
[INFO] [stdout] 6cffb6c5de12a92ca9137b9a2137405cbded53bb7268bc6c12c4ad761f3aa992
