[INFO] fetching crate read_line 0.0.1...
[INFO] checking read_line-0.0.1 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate read_line 0.0.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate read_line 0.0.1 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate read_line 0.0.1
[INFO] finished tweaking crates.io crate read_line 0.0.1
[INFO] tweaked toml for crates.io crate read_line 0.0.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 02ae974604b2ca83c11d4ad6587d081ee4ff8732be7b170801afbf9d5a3411ad
[INFO] running `Command { std: "docker" "start" "-a" "02ae974604b2ca83c11d4ad6587d081ee4ff8732be7b170801afbf9d5a3411ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02ae974604b2ca83c11d4ad6587d081ee4ff8732be7b170801afbf9d5a3411ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02ae974604b2ca83c11d4ad6587d081ee4ff8732be7b170801afbf9d5a3411ad", kill_on_drop: false }`
[INFO] [stdout] 02ae974604b2ca83c11d4ad6587d081ee4ff8732be7b170801afbf9d5a3411ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dbe9148409e3c5b192cece09b460f4fbff66cb0ad87a365862bdb2811f391866
[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" "dbe9148409e3c5b192cece09b460f4fbff66cb0ad87a365862bdb2811f391866", kill_on_drop: false }`
[INFO] [stderr]     Checking read_line v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "dbe9148409e3c5b192cece09b460f4fbff66cb0ad87a365862bdb2811f391866", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbe9148409e3c5b192cece09b460f4fbff66cb0ad87a365862bdb2811f391866", kill_on_drop: false }`
[INFO] [stdout] dbe9148409e3c5b192cece09b460f4fbff66cb0ad87a365862bdb2811f391866
