[INFO] fetching crate lettre_email 0.9.4...
[INFO] building lettre_email-0.9.4 against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] extracting crate lettre_email 0.9.4 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate lettre_email 0.9.4 on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lettre_email 0.9.4
[INFO] finished tweaking crates.io crate lettre_email 0.9.4
[INFO] tweaked toml for crates.io crate lettre_email 0.9.4 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate crates.io crate lettre_email 0.9.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca05baec3c91bac99bb83b58e1ea9b3c299d70eb20e4966837994aac2eaf4630
[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" "ca05baec3c91bac99bb83b58e1ea9b3c299d70eb20e4966837994aac2eaf4630", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca05baec3c91bac99bb83b58e1ea9b3c299d70eb20e4966837994aac2eaf4630", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca05baec3c91bac99bb83b58e1ea9b3c299d70eb20e4966837994aac2eaf4630", kill_on_drop: false }`
[INFO] [stdout] ca05baec3c91bac99bb83b58e1ea9b3c299d70eb20e4966837994aac2eaf4630
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1d0be1fe5d47ed79f06c6ac65c7e8ee531ac034747a67e74e676228411a80c5
[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" "c1d0be1fe5d47ed79f06c6ac65c7e8ee531ac034747a67e74e676228411a80c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling ascii_utils v0.9.3
[INFO] [stderr]    Compiling bufstream v0.1.4
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling openssl-sys v0.9.55
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-japanese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-korean v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]    Compiling fast_chemail v0.9.6
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling email v0.0.20
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling encoding v0.2.33
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling serde_json v1.0.51
[INFO] [stderr]    Compiling lettre v0.9.3
[INFO] [stderr]    Compiling lettre_email v0.9.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.39s
[INFO] running `Command { std: "docker" "inspect" "c1d0be1fe5d47ed79f06c6ac65c7e8ee531ac034747a67e74e676228411a80c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1d0be1fe5d47ed79f06c6ac65c7e8ee531ac034747a67e74e676228411a80c5", kill_on_drop: false }`
[INFO] [stdout] c1d0be1fe5d47ed79f06c6ac65c7e8ee531ac034747a67e74e676228411a80c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+ff34b919075f35a1787659e9c448a34b06bab8de" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6bb671666d7ffaaba569f2a30155bd3eabe3b6626de168e2077e0a630d667301
[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" "6bb671666d7ffaaba569f2a30155bd3eabe3b6626de168e2077e0a630d667301", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling lettre_email v0.9.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/skeptic.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         format!("Failed to run rustdoc tests on {:?}!", path)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 47 |         "Failed to run rustdoc tests on {:?}!", path
[INFO] [stdout]    |        --                                          --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.03s
[INFO] running `Command { std: "docker" "inspect" "6bb671666d7ffaaba569f2a30155bd3eabe3b6626de168e2077e0a630d667301", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bb671666d7ffaaba569f2a30155bd3eabe3b6626de168e2077e0a630d667301", kill_on_drop: false }`
[INFO] [stdout] 6bb671666d7ffaaba569f2a30155bd3eabe3b6626de168e2077e0a630d667301
