[INFO] cloning repository https://github.com/Vlad-Shcherbina/rusty_sand
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Vlad-Shcherbina/rusty_sand" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVlad-Shcherbina%2Frusty_sand", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVlad-Shcherbina%2Frusty_sand'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3c5e79ad098f6e8bcfed0b4946e3369a5d91679d
[INFO] checking Vlad-Shcherbina/rusty_sand against master#96df4943409564a187894018f15f795426dc2e1f for pr-118968
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVlad-Shcherbina%2Frusty_sand" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Vlad-Shcherbina/rusty_sand on toolchain 96df4943409564a187894018f15f795426dc2e1f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+96df4943409564a187894018f15f795426dc2e1f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Vlad-Shcherbina/rusty_sand
[INFO] finished tweaking git repo https://github.com/Vlad-Shcherbina/rusty_sand
[INFO] tweaked toml for git repo https://github.com/Vlad-Shcherbina/rusty_sand written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Vlad-Shcherbina/rusty_sand 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" "+96df4943409564a187894018f15f795426dc2e1f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking Vlad-Shcherbina/rusty_sand against try#7e4f74fb8736fea8f455bb6e094122965ae8f4cd for pr-118968
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVlad-Shcherbina%2Frusty_sand" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Vlad-Shcherbina/rusty_sand on toolchain 7e4f74fb8736fea8f455bb6e094122965ae8f4cd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7e4f74fb8736fea8f455bb6e094122965ae8f4cd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Vlad-Shcherbina/rusty_sand
[INFO] finished tweaking git repo https://github.com/Vlad-Shcherbina/rusty_sand
[INFO] tweaked toml for git repo https://github.com/Vlad-Shcherbina/rusty_sand written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Vlad-Shcherbina/rusty_sand 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" "+7e4f74fb8736fea8f455bb6e094122965ae8f4cd" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mimalloc v0.1.29
[INFO] [stderr]   Downloaded libmimalloc-sys v0.1.25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+7e4f74fb8736fea8f455bb6e094122965ae8f4cd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 143df0e2119fd9b3fe8e3bdfa4a92deec4ab94d9f38b36f38dd28acec05de93c
[INFO] running `Command { std: "docker" "start" "-a" "143df0e2119fd9b3fe8e3bdfa4a92deec4ab94d9f38b36f38dd28acec05de93c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "143df0e2119fd9b3fe8e3bdfa4a92deec4ab94d9f38b36f38dd28acec05de93c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "143df0e2119fd9b3fe8e3bdfa4a92deec4ab94d9f38b36f38dd28acec05de93c", kill_on_drop: false }`
[INFO] [stdout] 143df0e2119fd9b3fe8e3bdfa4a92deec4ab94d9f38b36f38dd28acec05de93c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+7e4f74fb8736fea8f455bb6e094122965ae8f4cd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 735185a7785ee27d3aa0ffa2dc79cc1f38e31fcdaf7fa5303b8da4b3b6efcb4b
[INFO] running `Command { std: "docker" "start" "-a" "735185a7785ee27d3aa0ffa2dc79cc1f38e31fcdaf7fa5303b8da4b3b6efcb4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.131
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking amd64_gen v0.1.0 (/opt/rustwide/workdir/amd64_gen)
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking exe_buf v0.1.0 (/opt/rustwide/workdir/exe_buf)
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking rusty_sand v0.1.0 (/opt/rustwide/workdir/rusty_sand)
[INFO] [stdout] warning: the feature `asm_sym` has been stable since 1.66.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> rusty_sand/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(asm_sym)]
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `asm_sym` has been stable since 1.66.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> rusty_sand/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(asm_sym)]
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking binutils v0.1.0 (/opt/rustwide/workdir/binutils)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.43s
[INFO] running `Command { std: "docker" "inspect" "735185a7785ee27d3aa0ffa2dc79cc1f38e31fcdaf7fa5303b8da4b3b6efcb4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "735185a7785ee27d3aa0ffa2dc79cc1f38e31fcdaf7fa5303b8da4b3b6efcb4b", kill_on_drop: false }`
[INFO] [stdout] 735185a7785ee27d3aa0ffa2dc79cc1f38e31fcdaf7fa5303b8da4b3b6efcb4b