[INFO] fetching crate cb2util 0.0.1...
[INFO] checking cb2util-0.0.1 against try#b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f for pr-76104
[INFO] extracting crate cb2util 0.0.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate cb2util 0.0.1 on toolchain b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cb2util 0.0.1
[INFO] finished tweaking crates.io crate cb2util 0.0.1
[INFO] tweaked toml for crates.io crate cb2util 0.0.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate cb2util 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded codebreaker v0.1.4
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "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] 7dc7a2cb4d9a9f685084f118826cd91307c31bcbff735799fda71ba328f203c6
[INFO] running `Command { std: "docker" "start" "-a" "7dc7a2cb4d9a9f685084f118826cd91307c31bcbff735799fda71ba328f203c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7dc7a2cb4d9a9f685084f118826cd91307c31bcbff735799fda71ba328f203c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dc7a2cb4d9a9f685084f118826cd91307c31bcbff735799fda71ba328f203c6", kill_on_drop: false }`
[INFO] [stdout] 7dc7a2cb4d9a9f685084f118826cd91307c31bcbff735799fda71ba328f203c6
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 3a28ad77ffe3a876a29be4dc92f6c9acac2e4a0bb826480ec0257181ce05f6b0
[INFO] running `Command { std: "docker" "start" "-a" "3a28ad77ffe3a876a29be4dc92f6c9acac2e4a0bb826480ec0257181ce05f6b0", kill_on_drop: false }`
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking flate2 v0.2.20
[INFO] [stderr]     Checking codebreaker v0.1.4
[INFO] [stderr]     Checking cb2util v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.16s
[INFO] running `Command { std: "docker" "inspect" "3a28ad77ffe3a876a29be4dc92f6c9acac2e4a0bb826480ec0257181ce05f6b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a28ad77ffe3a876a29be4dc92f6c9acac2e4a0bb826480ec0257181ce05f6b0", kill_on_drop: false }`
[INFO] [stdout] 3a28ad77ffe3a876a29be4dc92f6c9acac2e4a0bb826480ec0257181ce05f6b0