[INFO] fetching crate dfrs 0.0.7...
[INFO] checking dfrs-0.0.7 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate dfrs 0.0.7 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate dfrs 0.0.7 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 dfrs 0.0.7
[INFO] finished tweaking crates.io crate dfrs 0.0.7
[INFO] tweaked toml for crates.io crate dfrs 0.0.7 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate dfrs 0.0.7 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 61017713e7165c84c834cf20a2a54c056e47d85cbbb81990233b0dba54502d85
[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" "61017713e7165c84c834cf20a2a54c056e47d85cbbb81990233b0dba54502d85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61017713e7165c84c834cf20a2a54c056e47d85cbbb81990233b0dba54502d85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61017713e7165c84c834cf20a2a54c056e47d85cbbb81990233b0dba54502d85", kill_on_drop: false }`
[INFO] [stdout] 61017713e7165c84c834cf20a2a54c056e47d85cbbb81990233b0dba54502d85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 35dbb190b4a48ca0d1127fa06d31ec51d976d980c91f168f714453411087299d
[INFO] running `Command { std: "docker" "start" "-a" "35dbb190b4a48ca0d1127fa06d31ec51d976d980c91f168f714453411087299d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.83
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking strum v0.20.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking thread_local v1.1.2
[INFO] [stderr]    Compiling strum_macros v0.20.1
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking env_logger v0.8.2
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking dfrs v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.11s
[INFO] running `Command { std: "docker" "inspect" "35dbb190b4a48ca0d1127fa06d31ec51d976d980c91f168f714453411087299d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35dbb190b4a48ca0d1127fa06d31ec51d976d980c91f168f714453411087299d", kill_on_drop: false }`
[INFO] [stdout] 35dbb190b4a48ca0d1127fa06d31ec51d976d980c91f168f714453411087299d