[INFO] fetching crate qr 0.1.2...
[INFO] checking qr-0.1.2 against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] extracting crate qr 0.1.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate qr 0.1.2 on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate qr 0.1.2
[INFO] finished tweaking crates.io crate qr 0.1.2
[INFO] tweaked toml for crates.io crate qr 0.1.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate qr 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88a9884dc83d67574f616dffeef7465da12e7fb25aaa35da71ed386ee473663f
[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" "88a9884dc83d67574f616dffeef7465da12e7fb25aaa35da71ed386ee473663f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88a9884dc83d67574f616dffeef7465da12e7fb25aaa35da71ed386ee473663f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88a9884dc83d67574f616dffeef7465da12e7fb25aaa35da71ed386ee473663f", kill_on_drop: false }`
[INFO] [stdout] 88a9884dc83d67574f616dffeef7465da12e7fb25aaa35da71ed386ee473663f
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 811315c8f3d0ab3c6c6b1af80e4a60b16f4d3ae41001a2d0e516d11ac3696976
[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" "811315c8f3d0ab3c6c6b1af80e4a60b16f4d3ae41001a2d0e516d11ac3696976", kill_on_drop: false }`
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking qrcode v0.11.2
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking qr v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.28s
[INFO] running `Command { std: "docker" "inspect" "811315c8f3d0ab3c6c6b1af80e4a60b16f4d3ae41001a2d0e516d11ac3696976", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "811315c8f3d0ab3c6c6b1af80e4a60b16f4d3ae41001a2d0e516d11ac3696976", kill_on_drop: false }`
[INFO] [stdout] 811315c8f3d0ab3c6c6b1af80e4a60b16f4d3ae41001a2d0e516d11ac3696976