[INFO] fetching crate dep-obj 0.8.0...
[INFO] checking dep-obj-0.8.0 against master#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073
[INFO] extracting crate dep-obj 0.8.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate dep-obj 0.8.0 on toolchain c919f490bbcd2b29b74016101f7ec71aaa24bdbb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dep-obj 0.8.0
[INFO] finished tweaking crates.io crate dep-obj 0.8.0
[INFO] tweaked toml for crates.io crate dep-obj 0.8.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate dep-obj 0.8.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "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-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa0f09a3e0e5e39ba3538032a84b7991e26c85c950630f78056e4a3b012b0006
[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" "fa0f09a3e0e5e39ba3538032a84b7991e26c85c950630f78056e4a3b012b0006", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa0f09a3e0e5e39ba3538032a84b7991e26c85c950630f78056e4a3b012b0006", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa0f09a3e0e5e39ba3538032a84b7991e26c85c950630f78056e4a3b012b0006", kill_on_drop: false }`
[INFO] [stdout] fa0f09a3e0e5e39ba3538032a84b7991e26c85c950630f78056e4a3b012b0006
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7342c42bbaca0e34c64805640992ae5ef9a03fb39e53563bc25e19cf7ea4b734
[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" "7342c42bbaca0e34c64805640992ae5ef9a03fb39e53563bc25e19cf7ea4b734", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking generics v0.1.3
[INFO] [stderr]     Checking generics v0.2.5
[INFO] [stderr]    Compiling paste v1.0.1
[INFO] [stderr]     Checking dyn-clone v1.0.2
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking macro-attr-2018 v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking dyn-context v0.3.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling enum-ordinalize v3.1.8
[INFO] [stderr]    Compiling educe v0.4.13
[INFO] [stderr]     Checking phantom-type v0.3.0
[INFO] [stderr]     Checking components-arena v1.1.1
[INFO] [stderr]     Checking dep-obj v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.75s
[INFO] running `Command { std: "docker" "inspect" "7342c42bbaca0e34c64805640992ae5ef9a03fb39e53563bc25e19cf7ea4b734", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7342c42bbaca0e34c64805640992ae5ef9a03fb39e53563bc25e19cf7ea4b734", kill_on_drop: false }`
[INFO] [stdout] 7342c42bbaca0e34c64805640992ae5ef9a03fb39e53563bc25e19cf7ea4b734