[INFO] fetching crate mintmark 0.2.0...
[INFO] checking mintmark-0.2.0 against beta for pr-78714
[INFO] extracting crate mintmark 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate mintmark 0.2.0 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 mintmark 0.2.0
[INFO] finished tweaking crates.io crate mintmark 0.2.0
[INFO] tweaked toml for crates.io crate mintmark 0.2.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate mintmark 0.2.0 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]  Downloading crates ...
[INFO] [stderr]   Downloaded qrcode v0.12.0
[INFO] [stderr]   Downloaded image v0.23.2
[INFO] [stderr]   Downloaded pulldown-cmark v0.7.0
[INFO] [stderr]   Downloaded barcoders v1.0.1
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] 1064394683c4f7cfb499e134c517378542fad284c8bdb87c1a27e6533f994510
[INFO] running `Command { std: "docker" "start" "-a" "1064394683c4f7cfb499e134c517378542fad284c8bdb87c1a27e6533f994510", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1064394683c4f7cfb499e134c517378542fad284c8bdb87c1a27e6533f994510", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1064394683c4f7cfb499e134c517378542fad284c8bdb87c1a27e6533f994510", kill_on_drop: false }`
[INFO] [stdout] 1064394683c4f7cfb499e134c517378542fad284c8bdb87c1a27e6533f994510
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] f01b32021d34aebac322147b98d67faefc38690475e4f44220f9042fbad19e23
[INFO] running `Command { std: "docker" "start" "-a" "f01b32021d34aebac322147b98d67faefc38690475e4f44220f9042fbad19e23", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling pulldown-cmark v0.7.0
[INFO] [stderr]     Checking bytemuck v1.2.0
[INFO] [stderr]     Checking checked_int_cast v1.0.0
[INFO] [stderr]     Checking barcoders v1.0.1
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking num-integer v0.1.42
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking qrcode v0.12.0
[INFO] [stderr]     Checking image v0.23.2
[INFO] [stderr]     Checking mintmark v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.01s
[INFO] running `Command { std: "docker" "inspect" "f01b32021d34aebac322147b98d67faefc38690475e4f44220f9042fbad19e23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f01b32021d34aebac322147b98d67faefc38690475e4f44220f9042fbad19e23", kill_on_drop: false }`
[INFO] [stdout] f01b32021d34aebac322147b98d67faefc38690475e4f44220f9042fbad19e23