[INFO] fetching crate df-email 0.1.6...
[INFO] testing df-email-0.1.6 against 1.90.0 for beta-1.91-3
[INFO] extracting crate df-email 0.1.6 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate df-email 0.1.6
[INFO] finished tweaking crates.io crate df-email 0.1.6
[INFO] tweaked toml for crates.io crate df-email 0.1.6 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate df-email 0.1.6 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate df-email 0.1.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded openssl-sys v0.9.82
[INFO] [stderr]   Downloaded sha256 v1.1.2
[INFO] [stderr]   Downloaded df-crypto v0.1.5
[INFO] [stderr]   Downloaded wild v2.1.0
[INFO] [stderr]   Downloaded futures-core v0.3.26
[INFO] [stderr]   Downloaded futures-task v0.3.26
[INFO] [stderr]   Downloaded libdeflater v0.11.0
[INFO] [stderr]   Downloaded rgb v0.8.36
[INFO] [stderr]   Downloaded zopfli v0.7.2
[INFO] [stderr]   Downloaded oxipng v8.0.0
[INFO] [stderr]   Downloaded unicode-bidi v0.3.11
[INFO] [stderr]   Downloaded stderrlog v0.5.4
[INFO] [stderr]   Downloaded simd-adler32 v0.3.4
[INFO] [stderr]   Downloaded futures-util v0.3.26
[INFO] [stderr]   Downloaded lettre v0.10.3
[INFO] [stderr]   Downloaded email-encoding v0.2.0
[INFO] [stderr]   Downloaded libdeflate-sys v0.11.0
[INFO] [stderr]   Downloaded email_address v0.2.4
[INFO] [stderr]   Downloaded futures-io v0.3.26
[INFO] [stderr]   Downloaded openssl v0.10.47
[INFO] [stderr]   Downloaded df-file v0.1.3
[INFO] [stderr]   Downloaded quoted_printable v0.4.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eef4d6c5c9c29b71785ef77b8b1ec3cbe0369f7e3fc0aaef8527d12afadc7d7a
[INFO] running `Command { std: "docker" "start" "-a" "eef4d6c5c9c29b71785ef77b8b1ec3cbe0369f7e3fc0aaef8527d12afadc7d7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eef4d6c5c9c29b71785ef77b8b1ec3cbe0369f7e3fc0aaef8527d12afadc7d7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eef4d6c5c9c29b71785ef77b8b1ec3cbe0369f7e3fc0aaef8527d12afadc7d7a", kill_on_drop: false }`
[INFO] [stdout] eef4d6c5c9c29b71785ef77b8b1ec3cbe0369f7e3fc0aaef8527d12afadc7d7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec2d1264f4fd049162ba8b044f6db28bb5067edff213e90fd95ed878247c1848
[INFO] running `Command { std: "docker" "start" "-a" "ec2d1264f4fd049162ba8b044f6db28bb5067edff213e90fd95ed878247c1848", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling futures-task v0.3.26
[INFO] [stderr]    Compiling openssl v0.10.47
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling futures-util v0.3.26
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling iana-time-zone v0.1.53
[INFO] [stderr]    Compiling unicode-bidi v0.3.11
[INFO] [stderr]    Compiling futures-io v0.3.26
[INFO] [stderr]    Compiling sha256 v1.1.2
[INFO] [stderr]    Compiling digest v0.10.6
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling email-encoding v0.2.0
[INFO] [stderr]    Compiling md5 v0.7.0
[INFO] [stderr]    Compiling quoted_printable v0.4.7
[INFO] [stderr]    Compiling email_address v0.2.4
[INFO] [stderr]    Compiling openssl-sys v0.9.82
[INFO] [stderr]    Compiling idna v0.3.0
[INFO] [stderr]    Compiling sha2 v0.10.6
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling socket2 v0.4.9
[INFO] [stderr]    Compiling uuid v1.3.0
[INFO] [stderr]    Compiling chrono v0.4.23
[INFO] [stderr]    Compiling df-crypto v0.1.5
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling lettre v0.10.3
[INFO] [stderr]    Compiling df-email v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/smtp.rs:84:47
[INFO] [stdout]    |
[INFO] [stdout] 84 |         let connection = self.connections[name.clone()].clone();
[INFO] [stdout]    |                                               ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/smtp.rs:137:68
[INFO] [stdout]     |
[INFO] [stdout] 137 |         return Attachment::new(name.to_string()).body(fs::read(path.clone()).unwrap(), content_type);
[INFO] [stdout]     |                                                                    ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.08s
[INFO] running `Command { std: "docker" "inspect" "ec2d1264f4fd049162ba8b044f6db28bb5067edff213e90fd95ed878247c1848", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec2d1264f4fd049162ba8b044f6db28bb5067edff213e90fd95ed878247c1848", kill_on_drop: false }`
[INFO] [stdout] ec2d1264f4fd049162ba8b044f6db28bb5067edff213e90fd95ed878247c1848
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a69ee65e3eab695b8d19c2c2fc8d002307b5e443e2e793961682552e3b431181
[INFO] running `Command { std: "docker" "start" "-a" "a69ee65e3eab695b8d19c2c2fc8d002307b5e443e2e793961682552e3b431181", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.7
[INFO] [stderr]    Compiling miniz_oxide v0.6.2
[INFO] [stderr]    Compiling libdeflate-sys v0.11.0
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling io-lifetimes v1.0.6
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling bytemuck v1.13.1
[INFO] [stderr]    Compiling rustix v0.36.9
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling thread_local v1.1.7
[INFO] [stderr]    Compiling simd-adler32 v0.3.4
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]    Compiling filetime v0.2.20
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling wyz v0.5.1
[INFO] [stderr]    Compiling wild v2.1.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling rgb v0.8.36
[INFO] [stderr]    Compiling stderrlog v0.5.4
[INFO] [stderr]    Compiling zopfli v0.7.2
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/smtp.rs:84:47
[INFO] [stdout]    |
[INFO] [stdout] 84 |         let connection = self.connections[name.clone()].clone();
[INFO] [stdout]    |                                               ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/smtp.rs:137:68
[INFO] [stdout]     |
[INFO] [stdout] 137 |         return Attachment::new(name.to_string()).body(fs::read(path.clone()).unwrap(), content_type);
[INFO] [stdout]     |                                                                    ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling flate2 v1.0.25
[INFO] [stderr]    Compiling bitvec v1.0.1
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling png v0.17.7
[INFO] [stderr]    Compiling regex v1.7.1
[INFO] [stderr]    Compiling rayon v1.7.0
[INFO] [stderr]    Compiling image v0.24.5
[INFO] [stderr]    Compiling is-terminal v0.4.4
[INFO] [stderr]    Compiling env_logger v0.10.0
[INFO] [stderr]    Compiling libdeflater v0.11.0
[INFO] [stderr]    Compiling clap v3.2.23
[INFO] [stderr]    Compiling oxipng v8.0.0
[INFO] [stderr]    Compiling df-file v0.1.3
[INFO] [stderr]    Compiling df-email v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/smtp.rs:84:47
[INFO] [stdout]    |
[INFO] [stdout] 84 |         let connection = self.connections[name.clone()].clone();
[INFO] [stdout]    |                                               ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/smtp.rs:137:68
[INFO] [stdout]     |
[INFO] [stdout] 137 |         return Attachment::new(name.to_string()).body(fs::read(path.clone()).unwrap(), content_type);
[INFO] [stdout]     |                                                                    ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 15.94s
[INFO] running `Command { std: "docker" "inspect" "a69ee65e3eab695b8d19c2c2fc8d002307b5e443e2e793961682552e3b431181", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a69ee65e3eab695b8d19c2c2fc8d002307b5e443e2e793961682552e3b431181", kill_on_drop: false }`
[INFO] [stdout] a69ee65e3eab695b8d19c2c2fc8d002307b5e443e2e793961682552e3b431181
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4cededcb55a6104e87e6975a434dd9a0bd821eb5005a2da19cdfad91cdfc48df
[INFO] running `Command { std: "docker" "start" "-a" "4cededcb55a6104e87e6975a434dd9a0bd821eb5005a2da19cdfad91cdfc48df", kill_on_drop: false }`
[INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stderr]   --> src/smtp.rs:84:47
[INFO] [stderr]    |
[INFO] [stderr] 84 |         let connection = self.connections[name.clone()].clone();
[INFO] [stderr]    |                                               ^^^^^^^^ help: remove this redundant call
[INFO] [stderr]    |
[INFO] [stderr]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stderr]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stderr]    --> src/smtp.rs:137:68
[INFO] [stderr]     |
[INFO] [stderr] 137 |         return Attachment::new(name.to_string()).body(fs::read(path.clone()).unwrap(), content_type);
[INFO] [stderr]     |                                                                    ^^^^^^^^ help: remove this redundant call
[INFO] [stderr]     |
[INFO] [stderr]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stderr] 
[INFO] [stderr] warning: `df-email` (lib) generated 2 warnings (run `cargo fix --lib -p df-email` to apply 2 suggestions)
[INFO] [stderr] warning: `df-email` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/df_email-c9a01e1ee91e82ca)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests df_email
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4cededcb55a6104e87e6975a434dd9a0bd821eb5005a2da19cdfad91cdfc48df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cededcb55a6104e87e6975a434dd9a0bd821eb5005a2da19cdfad91cdfc48df", kill_on_drop: false }`
[INFO] [stdout] 4cededcb55a6104e87e6975a434dd9a0bd821eb5005a2da19cdfad91cdfc48df