[INFO] fetching crate jpeg-decoder 0.1.20...
[INFO] checking jpeg-decoder-0.1.20 against beta for pr-78714
[INFO] extracting crate jpeg-decoder 0.1.20 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate jpeg-decoder 0.1.20 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 jpeg-decoder 0.1.20
[INFO] finished tweaking crates.io crate jpeg-decoder 0.1.20
[INFO] tweaked toml for crates.io crate jpeg-decoder 0.1.20 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate jpeg-decoder 0.1.20 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 5be890f1ecf42f3d417d2acb76e5bbcad9a22f4d26c9abdb9c3ef9a564045727
[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" "5be890f1ecf42f3d417d2acb76e5bbcad9a22f4d26c9abdb9c3ef9a564045727", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5be890f1ecf42f3d417d2acb76e5bbcad9a22f4d26c9abdb9c3ef9a564045727", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5be890f1ecf42f3d417d2acb76e5bbcad9a22f4d26c9abdb9c3ef9a564045727", kill_on_drop: false }`
[INFO] [stdout] 5be890f1ecf42f3d417d2acb76e5bbcad9a22f4d26c9abdb9c3ef9a564045727
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] baf135014f3011622a16602016dac7811fe5bf0f8ee84d96626f752db0692a99
[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" "baf135014f3011622a16602016dac7811fe5bf0f8ee84d96626f752db0692a99", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.112
[INFO] [stderr]     Checking same-file v1.0.5
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]     Checking deflate v0.8.4
[INFO] [stderr]     Checking crossbeam-queue v0.2.0
[INFO] [stderr]     Checking criterion-plot v0.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.112
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking png v0.16.5
[INFO] [stderr]     Checking jpeg-decoder v0.1.20 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_json v1.0.55
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]     Checking criterion v0.3.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.53s
[INFO] running `Command { std: "docker" "inspect" "baf135014f3011622a16602016dac7811fe5bf0f8ee84d96626f752db0692a99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baf135014f3011622a16602016dac7811fe5bf0f8ee84d96626f752db0692a99", kill_on_drop: false }`
[INFO] [stdout] baf135014f3011622a16602016dac7811fe5bf0f8ee84d96626f752db0692a99