[INFO] fetching crate email-rs 0.1.1...
[INFO] checking email-rs-0.1.1 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate email-rs 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate email-rs 0.1.1 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate email-rs 0.1.1
[INFO] finished tweaking crates.io crate email-rs 0.1.1
[INFO] tweaked toml for crates.io crate email-rs 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a962dd031eaf017a8638e06653a05e4df4bb07386252c6b696f86334a795d176
[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" "a962dd031eaf017a8638e06653a05e4df4bb07386252c6b696f86334a795d176", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a962dd031eaf017a8638e06653a05e4df4bb07386252c6b696f86334a795d176", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a962dd031eaf017a8638e06653a05e4df4bb07386252c6b696f86334a795d176", kill_on_drop: false }`
[INFO] [stdout] a962dd031eaf017a8638e06653a05e4df4bb07386252c6b696f86334a795d176
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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] 0c787598695cb5104840b43e3467f74261f12cca75c21e60d607fce79202d60c
[INFO] running `Command { std: "docker" "start" "-a" "0c787598695cb5104840b43e3467f74261f12cca75c21e60d607fce79202d60c", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]     Checking email-rs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::email::Email`
[INFO] [stdout]  --> src/tests/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::email::Email;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::header_value_parser::EmailHeader`
[INFO] [stdout]  --> src/tests/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::header_value_parser::EmailHeader;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `subtype`
[INFO] [stdout]   --> src/email.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |             subtype,
[INFO] [stdout]    |             ^^^^^^^ help: try ignoring the field: `subtype: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/email.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |             value,
[INFO] [stdout]    |             ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mime_params`
[INFO] [stdout]   --> src/header_value_parser.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let mime_params: &str;
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mime_params`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_bytes`
[INFO] [stdout]   --> src/email.rs:91:8
[INFO] [stdout]    |
[INFO] [stdout] 91 |     fn from_bytes() -> Email {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_file`
[INFO] [stdout]   --> src/email.rs:96:8
[INFO] [stdout]    |
[INFO] [stdout] 96 |     fn from_file() -> Email {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/email.rs:101:8
[INFO] [stdout]     |
[INFO] [stdout] 101 |     fn new() -> Email {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `subtype`
[INFO] [stdout]   --> src/email.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |             subtype,
[INFO] [stdout]    |             ^^^^^^^ help: try ignoring the field: `subtype: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/email.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |             value,
[INFO] [stdout]    |             ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mime_params`
[INFO] [stdout]   --> src/header_value_parser.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let mime_params: &str;
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mime_params`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/tests/mod.rs:104:13
[INFO] [stdout]     |
[INFO] [stdout] 104 |             value,
[INFO] [stdout]     |             ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_bytes`
[INFO] [stdout]   --> src/email.rs:91:8
[INFO] [stdout]    |
[INFO] [stdout] 91 |     fn from_bytes() -> Email {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_file`
[INFO] [stdout]   --> src/email.rs:96:8
[INFO] [stdout]    |
[INFO] [stdout] 96 |     fn from_file() -> Email {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/email.rs:101:8
[INFO] [stdout]     |
[INFO] [stdout] 101 |     fn new() -> Email {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0c787598695cb5104840b43e3467f74261f12cca75c21e60d607fce79202d60c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c787598695cb5104840b43e3467f74261f12cca75c21e60d607fce79202d60c", kill_on_drop: false }`
[INFO] [stdout] 0c787598695cb5104840b43e3467f74261f12cca75c21e60d607fce79202d60c