[INFO] fetching crate jaegercat 0.1.1...
[INFO] checking jaegercat-0.1.1 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate jaegercat 0.1.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate jaegercat 0.1.1 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jaegercat 0.1.1
[INFO] finished tweaking crates.io crate jaegercat 0.1.1
[INFO] tweaked toml for crates.io crate jaegercat 0.1.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serdeconv v0.3.0
[INFO] [stderr]   Downloaded slog-kvfilter v0.6.1
[INFO] [stderr]   Downloaded sloggers v0.2.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f54c43a1e40b4a33e3537cff279befa229150e89037bc88bb7eb8791ad0ed99
[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" "3f54c43a1e40b4a33e3537cff279befa229150e89037bc88bb7eb8791ad0ed99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f54c43a1e40b4a33e3537cff279befa229150e89037bc88bb7eb8791ad0ed99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f54c43a1e40b4a33e3537cff279befa229150e89037bc88bb7eb8791ad0ed99", kill_on_drop: false }`
[INFO] [stdout] 3f54c43a1e40b4a33e3537cff279befa229150e89037bc88bb7eb8791ad0ed99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "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] 9625a3a8bd54b86992c7a9edced6cf7a5f0b82decd05e2d4f08ecf30d79613be
[INFO] running `Command { std: "docker" "start" "-a" "9625a3a8bd54b86992c7a9edced6cf7a5f0b82decd05e2d4f08ecf30d79613be", kill_on_drop: false }`
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]     Checking libc v0.2.94
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]    Compiling trackable_derive v1.0.0
[INFO] [stderr]     Checking libflate v0.1.27
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking slog-scope v4.4.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking slog-stdlog v3.0.5
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking trackable v1.2.0
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking rmp v0.8.10
[INFO] [stderr]     Checking trackable v0.2.24
[INFO] [stderr]     Checking slog-async v2.6.0
[INFO] [stderr]     Checking thrift_codec v0.1.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking slog-term v2.8.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking slog-kvfilter v0.6.1
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking rmp-serde v0.13.7
[INFO] [stderr]     Checking sloggers v0.2.9
[INFO] [stderr]     Checking serdeconv v0.3.0
[INFO] [stderr]     Checking jaegercat v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.63s
[INFO] running `Command { std: "docker" "inspect" "9625a3a8bd54b86992c7a9edced6cf7a5f0b82decd05e2d4f08ecf30d79613be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9625a3a8bd54b86992c7a9edced6cf7a5f0b82decd05e2d4f08ecf30d79613be", kill_on_drop: false }`
[INFO] [stdout] 9625a3a8bd54b86992c7a9edced6cf7a5f0b82decd05e2d4f08ecf30d79613be