[INFO] fetching crate bstr 0.2.13...
[INFO] checking bstr-0.2.13 against try#ffa4a0215752773248fb0f0a8092f1c3e7907e9e for pr-75585
[INFO] extracting crate bstr 0.2.13 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate bstr 0.2.13 on toolchain ffa4a0215752773248fb0f0a8092f1c3e7907e9e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bstr 0.2.13
[INFO] finished tweaking crates.io crate bstr 0.2.13
[INFO] tweaked toml for crates.io crate bstr 0.2.13 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate bstr 0.2.13 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ucd-parse v0.1.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a99facba8963e46a5d56c89ac1fa2f0a89f219312fa2647147cd707b44d51136
[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" "a99facba8963e46a5d56c89ac1fa2f0a89f219312fa2647147cd707b44d51136", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a99facba8963e46a5d56c89ac1fa2f0a89f219312fa2647147cd707b44d51136", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a99facba8963e46a5d56c89ac1fa2f0a89f219312fa2647147cd707b44d51136", kill_on_drop: false }`
[INFO] [stdout] a99facba8963e46a5d56c89ac1fa2f0a89f219312fa2647147cd707b44d51136
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6a298a7a55e5cb4a4259b597359e46e042eabc0e83fa6f91d55bae6b074e9fd
[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" "b6a298a7a55e5cb4a4259b597359e46e042eabc0e83fa6f91d55bae6b074e9fd", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking bstr v0.2.13 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking quickcheck v0.8.5
[INFO] [stderr]     Checking regex v1.3.5
[INFO] [stderr]     Checking ucd-parse v0.1.8
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.63s
[INFO] running `Command { std: "docker" "inspect" "b6a298a7a55e5cb4a4259b597359e46e042eabc0e83fa6f91d55bae6b074e9fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6a298a7a55e5cb4a4259b597359e46e042eabc0e83fa6f91d55bae6b074e9fd", kill_on_drop: false }`
[INFO] [stdout] b6a298a7a55e5cb4a4259b597359e46e042eabc0e83fa6f91d55bae6b074e9fd