[INFO] fetching crate interact_prompt 0.3.6...
[INFO] checking interact_prompt-0.3.6 against beta for pr-78714
[INFO] extracting crate interact_prompt 0.3.6 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate interact_prompt 0.3.6 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 interact_prompt 0.3.6
[INFO] finished tweaking crates.io crate interact_prompt 0.3.6
[INFO] tweaked toml for crates.io crate interact_prompt 0.3.6 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate interact_prompt 0.3.6 already has a lockfile, it will not be regenerated
[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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ed9250af651c1ea668bcd37473b443b8ce67c099a53bf1b38ec787114749fca
[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" "2ed9250af651c1ea668bcd37473b443b8ce67c099a53bf1b38ec787114749fca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ed9250af651c1ea668bcd37473b443b8ce67c099a53bf1b38ec787114749fca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ed9250af651c1ea668bcd37473b443b8ce67c099a53bf1b38ec787114749fca", kill_on_drop: false }`
[INFO] [stdout] 2ed9250af651c1ea668bcd37473b443b8ce67c099a53bf1b38ec787114749fca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f95a8e40aea99521ae85662487c7f6aba0cc887f7a13d46e3a68186fa9282577
[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" "f95a8e40aea99521ae85662487c7f6aba0cc887f7a13d46e3a68186fa9282577", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling proc-macro2 v1.0.13
[INFO] [stderr]    Compiling syn v1.0.22
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]    Compiling interact_derive v0.3.6
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking rustyline v6.1.2
[INFO] [stderr]     Checking ron v0.4.2
[INFO] [stderr]     Checking interact v0.3.6
[INFO] [stderr]     Checking interact_prompt v0.3.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.63s
[INFO] running `Command { std: "docker" "inspect" "f95a8e40aea99521ae85662487c7f6aba0cc887f7a13d46e3a68186fa9282577", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f95a8e40aea99521ae85662487c7f6aba0cc887f7a13d46e3a68186fa9282577", kill_on_drop: false }`
[INFO] [stdout] f95a8e40aea99521ae85662487c7f6aba0cc887f7a13d46e3a68186fa9282577