[INFO] fetching crate twyg 0.1.7...
[INFO] checking twyg-0.1.7 against master#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073
[INFO] extracting crate twyg 0.1.7 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate twyg 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 twyg 0.1.7
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate twyg 0.1.7
[INFO] tweaked toml for crates.io crate twyg 0.1.7 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate twyg 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 06e2b4e758f05e79e7e3ec0efc4786da1ed0d8f3ddb42124451ef47119c0521c
[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" "06e2b4e758f05e79e7e3ec0efc4786da1ed0d8f3ddb42124451ef47119c0521c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06e2b4e758f05e79e7e3ec0efc4786da1ed0d8f3ddb42124451ef47119c0521c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06e2b4e758f05e79e7e3ec0efc4786da1ed0d8f3ddb42124451ef47119c0521c", kill_on_drop: false }`
[INFO] [stdout] 06e2b4e758f05e79e7e3ec0efc4786da1ed0d8f3ddb42124451ef47119c0521c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 256c23b4527abc51a8b10403e6af2dcad656bea2116b88844e616765770d1b8d
[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" "256c23b4527abc51a8b10403e6af2dcad656bea2116b88844e616765770d1b8d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling lexical-core v0.6.7
[INFO] [stderr]     Checking aho-corasick v0.7.9
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking colored v1.9.2
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking serde_test v0.8.23
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking serde-hjson v0.9.1
[INFO] [stderr]     Checking fern v0.5.9
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking twyg v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking config v0.10.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.53s
[INFO] running `Command { std: "docker" "inspect" "256c23b4527abc51a8b10403e6af2dcad656bea2116b88844e616765770d1b8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "256c23b4527abc51a8b10403e6af2dcad656bea2116b88844e616765770d1b8d", kill_on_drop: false }`
[INFO] [stdout] 256c23b4527abc51a8b10403e6af2dcad656bea2116b88844e616765770d1b8d