[INFO] fetching crate nest-cli 0.3.0...
[INFO] checking nest-cli-0.3.0 against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] extracting crate nest-cli 0.3.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate nest-cli 0.3.0 on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nest-cli 0.3.0
[INFO] finished tweaking crates.io crate nest-cli 0.3.0
[INFO] tweaked toml for crates.io crate nest-cli 0.3.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9dd22ab2e8f65d6a4e17e80a5da2b5d278c11c39856d642c1fcf32a4de1ed70f
[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" "9dd22ab2e8f65d6a4e17e80a5da2b5d278c11c39856d642c1fcf32a4de1ed70f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9dd22ab2e8f65d6a4e17e80a5da2b5d278c11c39856d642c1fcf32a4de1ed70f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dd22ab2e8f65d6a4e17e80a5da2b5d278c11c39856d642c1fcf32a4de1ed70f", kill_on_drop: false }`
[INFO] [stdout] 9dd22ab2e8f65d6a4e17e80a5da2b5d278c11c39856d642c1fcf32a4de1ed70f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17a903c34a077d3555b1ed82067c79eb0be41da61c78e65691b29fe662ede7d1
[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" "17a903c34a077d3555b1ed82067c79eb0be41da61c78e65691b29fe662ede7d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking mkdirp v0.1.0
[INFO] [stderr]     Checking objekt v0.1.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking backtrace v0.3.55
[INFO] [stderr]     Checking serde_yaml v0.8.14
[INFO] [stderr]     Checking serde_test v0.8.23
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking pretty_env_logger v0.2.5
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking serde-hjson v0.9.1
[INFO] [stderr]     Checking atomicwrites v0.2.5
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling snafu-derive v0.2.3
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking snafu v0.2.3
[INFO] [stderr]     Checking clap-log-flag v0.2.1
[INFO] [stderr]     Checking clap-verbosity-flag v0.2.0
[INFO] [stderr]     Checking nest v1.0.0
[INFO] [stderr]     Checking nest-cli v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.17s
[INFO] running `Command { std: "docker" "inspect" "17a903c34a077d3555b1ed82067c79eb0be41da61c78e65691b29fe662ede7d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17a903c34a077d3555b1ed82067c79eb0be41da61c78e65691b29fe662ede7d1", kill_on_drop: false }`
[INFO] [stdout] 17a903c34a077d3555b1ed82067c79eb0be41da61c78e65691b29fe662ede7d1