[INFO] fetching crate mail_extractor 0.1.3...
[INFO] testing mail_extractor-0.1.3 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate mail_extractor 0.1.3 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate mail_extractor 0.1.3
[INFO] finished tweaking crates.io crate mail_extractor 0.1.3
[INFO] tweaked toml for crates.io crate mail_extractor 0.1.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mail_extractor 0.1.3 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 75 packages to latest compatible versions
[INFO] [stderr]       Adding base64 v0.11.0 (available: v0.22.1)
[INFO] [stderr]       Adding lol_html v0.1.0 (available: v2.7.0)
[INFO] [stderr]       Adding mailparse v0.10.4 (available: v0.16.1)
[INFO] [stderr]       Adding uuid v0.8.2 (available: v1.18.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded maybe-uninit v2.0.0
[INFO] [stderr]   Downloaded charset v0.1.5
[INFO] [stderr]   Downloaded selectors v0.21.0
[INFO] [stderr]   Downloaded quoted_printable v0.4.8
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[INFO] [stderr]   Downloaded rand_chacha v0.1.1
[INFO] [stderr]   Downloaded lol_html v0.1.0
[INFO] [stderr]   Downloaded rand_hc v0.1.0
[INFO] [stderr]   Downloaded rand_jitter v0.1.4
[INFO] [stderr]   Downloaded cssparser v0.25.9
[INFO] [stderr]   Downloaded cloudabi v0.0.3
[INFO] [stderr]   Downloaded fuchsia-cprng v0.1.1
[INFO] [stderr]   Downloaded rand_core v0.3.1
[INFO] [stderr]   Downloaded phf_codegen v0.7.24
[INFO] [stderr]   Downloaded rdrand v0.4.0
[INFO] [stderr]   Downloaded autocfg v0.1.8
[INFO] [stderr]   Downloaded rand_pcg v0.1.2
[INFO] [stderr]   Downloaded phf_generator v0.7.24
[INFO] [stderr]   Downloaded phf_shared v0.7.24
[INFO] [stderr]   Downloaded nodrop v0.1.14
[INFO] [stderr]   Downloaded rand_xorshift v0.1.1
[INFO] [stderr]   Downloaded mailparse v0.10.4
[INFO] [stderr]   Downloaded precomputed-hash v0.1.1
[INFO] [stderr]   Downloaded smallvec v0.6.14
[INFO] [stderr]   Downloaded thin-slice v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88f3a75acf41477a90a299a7e20951b68887cd1f9346a17f6d1b31e5a1e99699
[INFO] running `Command { std: "docker" "start" "-a" "88f3a75acf41477a90a299a7e20951b68887cd1f9346a17f6d1b31e5a1e99699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88f3a75acf41477a90a299a7e20951b68887cd1f9346a17f6d1b31e5a1e99699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88f3a75acf41477a90a299a7e20951b68887cd1f9346a17f6d1b31e5a1e99699", kill_on_drop: false }`
[INFO] [stdout] 88f3a75acf41477a90a299a7e20951b68887cd1f9346a17f6d1b31e5a1e99699
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee68dceb75676d4a1918c15cf331eec8997722c6b05903437a4f1da47983a4ca
[INFO] running `Command { std: "docker" "start" "-a" "ee68dceb75676d4a1918c15cf331eec8997722c6b05903437a4f1da47983a4ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling dtoa v1.0.10
[INFO] [stderr]    Compiling procedural-masquerade v0.1.7
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling dtoa-short v0.3.5
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling matches v0.1.10
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling servo_arc v0.1.1
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling thin-slice v0.1.1
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling quoted_printable v0.4.8
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling htmlescape v0.3.1
[INFO] [stderr]    Compiling base64 v0.11.0
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[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 charset v0.1.5
[INFO] [stderr]    Compiling mailparse v0.10.4
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling selectors v0.21.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling cssparser v0.25.9
[INFO] [stderr]    Compiling cssparser-macros v0.3.6
[INFO] [stderr]    Compiling lol_html v0.1.0
[INFO] [stderr]    Compiling mail_extractor v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/lib.rs:145:3
[INFO] [stdout]     |
[INFO] [stdout] 145 |         &first_context.insert(key.clone(), value.clone());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 145 |         let _ = &first_context.insert(key.clone(), value.clone());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.01s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lol_html v0.1.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "ee68dceb75676d4a1918c15cf331eec8997722c6b05903437a4f1da47983a4ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee68dceb75676d4a1918c15cf331eec8997722c6b05903437a4f1da47983a4ca", kill_on_drop: false }`
[INFO] [stdout] ee68dceb75676d4a1918c15cf331eec8997722c6b05903437a4f1da47983a4ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bec744a8de319882eb8edb067818ca211f58cd2792c69e540c9ce1536972ae2
[INFO] running `Command { std: "docker" "start" "-a" "4bec744a8de319882eb8edb067818ca211f58cd2792c69e540c9ce1536972ae2", kill_on_drop: false }`
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/lib.rs:145:3
[INFO] [stdout]     |
[INFO] [stdout] 145 |         &first_context.insert(key.clone(), value.clone());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 145 |         let _ = &first_context.insert(key.clone(), value.clone());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mail_extractor v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/lib.rs:145:3
[INFO] [stdout]     |
[INFO] [stdout] 145 |         &first_context.insert(key.clone(), value.clone());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 145 |         let _ = &first_context.insert(key.clone(), value.clone());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lol_html v0.1.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "4bec744a8de319882eb8edb067818ca211f58cd2792c69e540c9ce1536972ae2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bec744a8de319882eb8edb067818ca211f58cd2792c69e540c9ce1536972ae2", kill_on_drop: false }`
[INFO] [stdout] 4bec744a8de319882eb8edb067818ca211f58cd2792c69e540c9ce1536972ae2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f175c93e883ef38c33e43b4620e9ab2913e424f29b415f2eba341a60387525f5
[INFO] running `Command { std: "docker" "start" "-a" "f175c93e883ef38c33e43b4620e9ab2913e424f29b415f2eba341a60387525f5", kill_on_drop: false }`
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/lib.rs:145:3
[INFO] [stderr]     |
[INFO] [stderr] 145 |         &first_context.insert(key.clone(), value.clone());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 145 |         let _ = &first_context.insert(key.clone(), value.clone());
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `mail_extractor` (lib) generated 1 warning
[INFO] [stderr] warning: `mail_extractor` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lol_html v0.1.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mail_extractor-9d662a0359fcf6ae)
[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 mail_extractor
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.20s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f175c93e883ef38c33e43b4620e9ab2913e424f29b415f2eba341a60387525f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f175c93e883ef38c33e43b4620e9ab2913e424f29b415f2eba341a60387525f5", kill_on_drop: false }`
[INFO] [stdout] f175c93e883ef38c33e43b4620e9ab2913e424f29b415f2eba341a60387525f5