[INFO] fetching crate displaydoc 0.1.7...
[INFO] checking displaydoc-0.1.7 against master#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073
[INFO] extracting crate displaydoc 0.1.7 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate displaydoc 0.1.7 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 displaydoc 0.1.7
[INFO] finished tweaking crates.io crate displaydoc 0.1.7
[INFO] tweaked toml for crates.io crate displaydoc 0.1.7 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate displaydoc 0.1.7 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 20b7e69f0aa3d8b61bb31c2706c2f39e2514e724dce10e44cc0a5bed8cf819f9
[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" "20b7e69f0aa3d8b61bb31c2706c2f39e2514e724dce10e44cc0a5bed8cf819f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20b7e69f0aa3d8b61bb31c2706c2f39e2514e724dce10e44cc0a5bed8cf819f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20b7e69f0aa3d8b61bb31c2706c2f39e2514e724dce10e44cc0a5bed8cf819f9", kill_on_drop: false }`
[INFO] [stdout] 20b7e69f0aa3d8b61bb31c2706c2f39e2514e724dce10e44cc0a5bed8cf819f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] a4be63e8e0f669ca0d5b37bdc655dbc9f93d61be1c341686bba607ca67c0c7b2
[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" "a4be63e8e0f669ca0d5b37bdc655dbc9f93d61be1c341686bba607ca67c0c7b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]    Compiling syn v1.0.27
[INFO] [stderr]     Checking unicode-xid v0.2.0
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking displaydoc v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]     Checking serde v1.0.110
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking trybuild v1.0.27
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.74s
[INFO] running `Command { std: "docker" "inspect" "a4be63e8e0f669ca0d5b37bdc655dbc9f93d61be1c341686bba607ca67c0c7b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4be63e8e0f669ca0d5b37bdc655dbc9f93d61be1c341686bba607ca67c0c7b2", kill_on_drop: false }`
[INFO] [stdout] a4be63e8e0f669ca0d5b37bdc655dbc9f93d61be1c341686bba607ca67c0c7b2