[INFO] fetching crate ctftools 0.1.2...
[INFO] checking ctftools-0.1.2 against beta for pr-78714
[INFO] extracting crate ctftools 0.1.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ctftools 0.1.2 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ctftools 0.1.2
[INFO] finished tweaking crates.io crate ctftools 0.1.2
[INFO] tweaked toml for crates.io crate ctftools 0.1.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] abcdf067dbd21d77ebfc49be1a13d3c1afdbaa4825facdc010a958f8d91a14f5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "abcdf067dbd21d77ebfc49be1a13d3c1afdbaa4825facdc010a958f8d91a14f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abcdf067dbd21d77ebfc49be1a13d3c1afdbaa4825facdc010a958f8d91a14f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abcdf067dbd21d77ebfc49be1a13d3c1afdbaa4825facdc010a958f8d91a14f5", kill_on_drop: false }`
[INFO] [stdout] abcdf067dbd21d77ebfc49be1a13d3c1afdbaa4825facdc010a958f8d91a14f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8930f6987fca0a6187180dff17d874b1fb8c038d05d6002f3280b9b9b8b99c01
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8930f6987fca0a6187180dff17d874b1fb8c038d05d6002f3280b9b9b8b99c01", kill_on_drop: false }`
[INFO] [stderr]     Checking sysexit v0.2.0
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]    Compiling scroll_derive v0.10.4
[INFO] [stderr]     Checking globset v0.4.6
[INFO] [stderr]     Checking ignore v0.4.16
[INFO] [stderr]     Checking scroll v0.10.2
[INFO] [stderr]     Checking goblin v0.2.3
[INFO] [stderr]     Checking checksec v0.0.4
[INFO] [stderr]     Checking ctftools v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `is_remote`
[INFO] [stdout]    --> src/comms/process.rs:308:9
[INFO] [stdout]     |
[INFO] [stdout] 308 |     pub fn is_remote(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_remote`
[INFO] [stdout]    --> src/comms/process.rs:308:9
[INFO] [stdout]     |
[INFO] [stdout] 308 |     pub fn is_remote(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` 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 12.10s
[INFO] running `Command { std: "docker" "inspect" "8930f6987fca0a6187180dff17d874b1fb8c038d05d6002f3280b9b9b8b99c01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8930f6987fca0a6187180dff17d874b1fb8c038d05d6002f3280b9b9b8b99c01", kill_on_drop: false }`
[INFO] [stdout] 8930f6987fca0a6187180dff17d874b1fb8c038d05d6002f3280b9b9b8b99c01