[INFO] fetching crate mailgang 0.2.2...
[INFO] checking mailgang-0.2.2 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] extracting crate mailgang 0.2.2 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate mailgang 0.2.2 on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mailgang 0.2.2
[INFO] finished tweaking crates.io crate mailgang 0.2.2
[INFO] tweaked toml for crates.io crate mailgang 0.2.2 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad071c484cb7f6efa10061fc13429619c4cf7f4e45f0fe1205f1502c7b54e2ab
[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" "ad071c484cb7f6efa10061fc13429619c4cf7f4e45f0fe1205f1502c7b54e2ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad071c484cb7f6efa10061fc13429619c4cf7f4e45f0fe1205f1502c7b54e2ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad071c484cb7f6efa10061fc13429619c4cf7f4e45f0fe1205f1502c7b54e2ab", kill_on_drop: false }`
[INFO] [stdout] ad071c484cb7f6efa10061fc13429619c4cf7f4e45f0fe1205f1502c7b54e2ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0389b8515a158b4cb7dbabe002dfa8c83b80a62b93f452819988acfda19a79bb
[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" "0389b8515a158b4cb7dbabe002dfa8c83b80a62b93f452819988acfda19a79bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]     Checking pin-project-lite v0.2.0
[INFO] [stderr]     Checking futures-sink v0.3.8
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]    Compiling encoding_rs v0.8.26
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking memchr v2.3.4
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking socket2 v0.3.17
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking serde_json v1.0.60
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking native-tls v0.2.6
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking tokio v0.2.24
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]     Checking pin-project v1.0.2
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking hyper v0.13.9
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.9
[INFO] [stderr]     Checking sparkpost v0.5.4
[INFO] [stderr]     Checking mailgang v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 27s
[INFO] running `Command { std: "docker" "inspect" "0389b8515a158b4cb7dbabe002dfa8c83b80a62b93f452819988acfda19a79bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0389b8515a158b4cb7dbabe002dfa8c83b80a62b93f452819988acfda19a79bb", kill_on_drop: false }`
[INFO] [stdout] 0389b8515a158b4cb7dbabe002dfa8c83b80a62b93f452819988acfda19a79bb