[INFO] fetching crate qr-maker 0.1.1...
[INFO] checking qr-maker-0.1.1 against master#d902752866cbbdb331e3cf28ff6bba86ab0f6c62 for pr-77271
[INFO] extracting crate qr-maker 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate qr-maker 0.1.1 on toolchain d902752866cbbdb331e3cf28ff6bba86ab0f6c62
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate qr-maker 0.1.1
[INFO] finished tweaking crates.io crate qr-maker 0.1.1
[INFO] tweaked toml for crates.io crate qr-maker 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded inflate v0.2.0
[INFO] [stderr]   Downloaded argparse v0.2.2
[INFO] [stderr]   Downloaded png v0.7.0
[INFO] [stderr]   Downloaded image v0.13.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "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] b85255b29887ff9c59faa9f4c0b70f15be2467dad2f68fa0d2b9f462cf5aa0f0
[INFO] running `Command { std: "docker" "start" "-a" "b85255b29887ff9c59faa9f4c0b70f15be2467dad2f68fa0d2b9f462cf5aa0f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b85255b29887ff9c59faa9f4c0b70f15be2467dad2f68fa0d2b9f462cf5aa0f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b85255b29887ff9c59faa9f4c0b70f15be2467dad2f68fa0d2b9f462cf5aa0f0", kill_on_drop: false }`
[INFO] [stdout] b85255b29887ff9c59faa9f4c0b70f15be2467dad2f68fa0d2b9f462cf5aa0f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 174e497f5035dd573c892b13941c45f7447a0b34f824508510ce24ddd5eeac09
[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" "174e497f5035dd573c892b13941c45f7447a0b34f824508510ce24ddd5eeac09", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]     Checking inflate v0.2.0
[INFO] [stderr]     Checking argparse v0.2.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rayon-core v1.8.1
[INFO] [stderr]     Checking png v0.7.0
[INFO] [stderr]     Checking rayon v1.4.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]     Checking image v0.13.0
[INFO] [stderr]     Checking qrcode v0.4.0
[INFO] [stderr]     Checking qr-maker v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.30s
[INFO] running `Command { std: "docker" "inspect" "174e497f5035dd573c892b13941c45f7447a0b34f824508510ce24ddd5eeac09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "174e497f5035dd573c892b13941c45f7447a0b34f824508510ce24ddd5eeac09", kill_on_drop: false }`
[INFO] [stdout] 174e497f5035dd573c892b13941c45f7447a0b34f824508510ce24ddd5eeac09