[INFO] fetching crate os_info 2.0.8...
[INFO] checking os_info-2.0.8 against try#ffa4a0215752773248fb0f0a8092f1c3e7907e9e for pr-75585
[INFO] extracting crate os_info 2.0.8 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate os_info 2.0.8 on toolchain ffa4a0215752773248fb0f0a8092f1c3e7907e9e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate os_info 2.0.8
[INFO] finished tweaking crates.io crate os_info 2.0.8
[INFO] tweaked toml for crates.io crate os_info 2.0.8 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate os_info 2.0.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bfbac2ba16ce53e6542444c27c73e191a170e39dd7e69984ee57530320e512d5
[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" "bfbac2ba16ce53e6542444c27c73e191a170e39dd7e69984ee57530320e512d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfbac2ba16ce53e6542444c27c73e191a170e39dd7e69984ee57530320e512d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfbac2ba16ce53e6542444c27c73e191a170e39dd7e69984ee57530320e512d5", kill_on_drop: false }`
[INFO] [stdout] bfbac2ba16ce53e6542444c27c73e191a170e39dd7e69984ee57530320e512d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe6e30d6bae1daa6b8545d010f886f9b99f58c5e6b2eddbe281e6a6d9d38ff85
[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" "fe6e30d6bae1daa6b8545d010f886f9b99f58c5e6b2eddbe281e6a6d9d38ff85", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking os_info v2.0.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.35s
[INFO] running `Command { std: "docker" "inspect" "fe6e30d6bae1daa6b8545d010f886f9b99f58c5e6b2eddbe281e6a6d9d38ff85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe6e30d6bae1daa6b8545d010f886f9b99f58c5e6b2eddbe281e6a6d9d38ff85", kill_on_drop: false }`
[INFO] [stdout] fe6e30d6bae1daa6b8545d010f886f9b99f58c5e6b2eddbe281e6a6d9d38ff85