[INFO] fetching crate crdts 6.3.3...
[INFO] checking crdts-6.3.3 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate crdts 6.3.3 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate crdts 6.3.3 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate crdts 6.3.3
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate crdts 6.3.3
[INFO] tweaked toml for crates.io crate crdts 6.3.3 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate crdts 6.3.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded log v0.4.11
[INFO] [stderr]   Downloaded autocfg v1.0.0
[INFO] [stderr]   Downloaded num-bigint v0.3.1
[INFO] [stderr]   Downloaded serde_derive v1.0.114
[INFO] [stderr]   Downloaded quote v1.0.7
[INFO] [stderr]   Downloaded syn v1.0.64
[INFO] [stderr]   Downloaded num-iter v0.1.42
[INFO] [stderr]   Downloaded derive_more v0.99.9
[INFO] [stderr]   Downloaded memchr v2.3.3
[INFO] [stderr]   Downloaded thread_local v1.0.1
[INFO] [stderr]   Downloaded cfg-if v0.1.10
[INFO] [stderr]   Downloaded quickcheck_macros v0.9.1
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.8
[INFO] [stderr]   Downloaded getrandom v0.1.14
[INFO] [stderr]   Downloaded num-complex v0.3.1
[INFO] [stderr]   Downloaded num-rational v0.3.2
[INFO] [stderr]   Downloaded num v0.3.1
[INFO] [stderr]   Downloaded regex v1.3.9
[INFO] [stderr]   Downloaded serde v1.0.114
[INFO] [stderr]   Downloaded regex-syntax v0.6.18
[INFO] [stderr]   Downloaded libc v0.2.74
[INFO] [stderr]   Downloaded aho-corasick v0.7.13
[INFO] [stderr]   Downloaded crunchy v0.2.2
[INFO] [stderr]   Downloaded tiny-keccak v2.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2fa80fe3e5ee2a867caa2de2c05a6b3bff178f24bc260b1b7e94ef3557faf9b
[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" "c2fa80fe3e5ee2a867caa2de2c05a6b3bff178f24bc260b1b7e94ef3557faf9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2fa80fe3e5ee2a867caa2de2c05a6b3bff178f24bc260b1b7e94ef3557faf9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2fa80fe3e5ee2a867caa2de2c05a6b3bff178f24bc260b1b7e94ef3557faf9b", kill_on_drop: false }`
[INFO] [stdout] c2fa80fe3e5ee2a867caa2de2c05a6b3bff178f24bc260b1b7e94ef3557faf9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "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] 1780445f360667432cb26fdbc2a6acd7a45717f384bede3e063aa25f34072eac
[INFO] running `Command { std: "docker" "start" "-a" "1780445f360667432cb26fdbc2a6acd7a45717f384bede3e063aa25f34072eac", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking tiny-keccak v2.0.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]    Compiling derive_more v0.99.9
[INFO] [stderr]    Compiling quickcheck_macros v0.9.1
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking crdts v6.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.89s
[INFO] running `Command { std: "docker" "inspect" "1780445f360667432cb26fdbc2a6acd7a45717f384bede3e063aa25f34072eac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1780445f360667432cb26fdbc2a6acd7a45717f384bede3e063aa25f34072eac", kill_on_drop: false }`
[INFO] [stdout] 1780445f360667432cb26fdbc2a6acd7a45717f384bede3e063aa25f34072eac