[INFO] fetching crate qcow2-fuse 0.1.1...
[INFO] checking qcow2-fuse-0.1.1 against master#893fadd11a52aa26fc19c67ee1b79f03d6a1bed3 for pr-77153
[INFO] extracting crate qcow2-fuse 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate qcow2-fuse 0.1.1 on toolchain 893fadd11a52aa26fc19c67ee1b79f03d6a1bed3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate qcow2-fuse 0.1.1
[INFO] finished tweaking crates.io crate qcow2-fuse 0.1.1
[INFO] tweaked toml for crates.io crate qcow2-fuse 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate qcow2-fuse 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ebb8b7bfb61c90c59fe107bd2fab95a7e71e7a878437c8eacf2d998ebeb932d
[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" "7ebb8b7bfb61c90c59fe107bd2fab95a7e71e7a878437c8eacf2d998ebeb932d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ebb8b7bfb61c90c59fe107bd2fab95a7e71e7a878437c8eacf2d998ebeb932d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ebb8b7bfb61c90c59fe107bd2fab95a7e71e7a878437c8eacf2d998ebeb932d", kill_on_drop: false }`
[INFO] [stdout] 7ebb8b7bfb61c90c59fe107bd2fab95a7e71e7a878437c8eacf2d998ebeb932d
[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" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "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] 811aa181a30cb4b53a4b771db9c5ba73799421fd5a88b80147ae9d4d675d8b9a
[INFO] running `Command { std: "docker" "start" "-a" "811aa181a30cb4b53a4b771db9c5ba73799421fd5a88b80147ae9d4d675d8b9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking linked-hash-map v0.0.9
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking libc v0.1.12
[INFO] [stderr]     Checking thread-scoped v1.0.2
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking lru-cache v0.0.7
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling fuse v0.2.8
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking positioned-io v0.2.2
[INFO] [stderr]     Checking daemonize v0.2.3
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking qcow2 v0.1.2
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking qcow2-fuse v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.67s
[INFO] running `Command { std: "docker" "inspect" "811aa181a30cb4b53a4b771db9c5ba73799421fd5a88b80147ae9d4d675d8b9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "811aa181a30cb4b53a4b771db9c5ba73799421fd5a88b80147ae9d4d675d8b9a", kill_on_drop: false }`
[INFO] [stdout] 811aa181a30cb4b53a4b771db9c5ba73799421fd5a88b80147ae9d4d675d8b9a