[INFO] fetching crate scapegoat 1.0.0...
[INFO] checking scapegoat-1.0.0 against beta for pr-78714
[INFO] extracting crate scapegoat 1.0.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate scapegoat 1.0.0 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 scapegoat 1.0.0
[INFO] finished tweaking crates.io crate scapegoat 1.0.0
[INFO] tweaked toml for crates.io crate scapegoat 1.0.0 written to /workspace/builds/worker-0/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 40a0001d5c4ffc513b357ec51d96da2243b3678c7161722bf6f101e2c55d6cbf
[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" "40a0001d5c4ffc513b357ec51d96da2243b3678c7161722bf6f101e2c55d6cbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40a0001d5c4ffc513b357ec51d96da2243b3678c7161722bf6f101e2c55d6cbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40a0001d5c4ffc513b357ec51d96da2243b3678c7161722bf6f101e2c55d6cbf", kill_on_drop: false }`
[INFO] [stdout] 40a0001d5c4ffc513b357ec51d96da2243b3678c7161722bf6f101e2c55d6cbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] f8bc03b2ede3c008a0cb653e2e9f1ef72cb921d8878af0fc2573bcfe559d6f9a
[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" "f8bc03b2ede3c008a0cb653e2e9f1ef72cb921d8878af0fc2573bcfe559d6f9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking half v1.6.0
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking oorandom v11.1.2
[INFO] [stderr]     Checking exitcode v1.1.2
[INFO] [stderr]     Checking scapegoat v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking memchr v2.3.4
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]     Checking csv v1.1.4
[INFO] [stderr]     Checking json5 v0.2.8
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stderr]     Checking ruut v0.6.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.82s
[INFO] running `Command { std: "docker" "inspect" "f8bc03b2ede3c008a0cb653e2e9f1ef72cb921d8878af0fc2573bcfe559d6f9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8bc03b2ede3c008a0cb653e2e9f1ef72cb921d8878af0fc2573bcfe559d6f9a", kill_on_drop: false }`
[INFO] [stdout] f8bc03b2ede3c008a0cb653e2e9f1ef72cb921d8878af0fc2573bcfe559d6f9a