[INFO] fetching crate mail_extractor 0.1.3...
[INFO] checking mail_extractor-0.1.3 against master#cced03bfd61a304243a34504618ecec86c17063f for pr-157082
[INFO] extracting crate mail_extractor 0.1.3 into /workspace/builds/worker-4-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-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mail_extractor 0.1.3 on toolchain cced03bfd61a304243a34504618ecec86c17063f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "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" "+cced03bfd61a304243a34504618ecec86c17063f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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: v3.0.0)
[INFO] [stderr]       Adding mailparse v0.10.4 (available: v0.16.1)
[INFO] [stderr]       Adding uuid v0.8.2 (available: v1.23.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded regex v1.12.4
[INFO] [stderr]   Downloaded quoted_printable v0.4.8
[INFO] [stderr]   Downloaded uuid v0.8.2
[INFO] [stderr]   Downloaded rand_core v0.3.1
[INFO] [stderr]   Downloaded rand_pcg v0.1.2
[INFO] [stderr]   Downloaded autocfg v0.1.8
[INFO] [stderr]   Downloaded fuchsia-cprng v0.1.1
[INFO] [stderr]   Downloaded thin-slice v0.1.1
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[INFO] [stderr]   Downloaded matches v0.1.10
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[INFO] [stderr]   Downloaded rand_isaac v0.1.1
[INFO] [stderr]   Downloaded nodrop v0.1.14
[INFO] [stderr]   Downloaded phf_shared v0.7.24
[INFO] [stderr]   Downloaded phf_generator v0.7.24
[INFO] [stderr]   Downloaded rand_xorshift v0.1.1
[INFO] [stderr]   Downloaded cssparser-macros v0.3.6
[INFO] [stderr]   Downloaded siphasher v0.2.3
[INFO] [stderr]   Downloaded phf v0.7.24
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[INFO] [stderr]   Downloaded maybe-uninit v2.0.0
[INFO] [stderr]   Downloaded dtoa-short v0.3.5
[INFO] [stderr]   Downloaded cfg-if v0.1.10
[INFO] [stderr]   Downloaded charset v0.1.5
[INFO] [stderr]   Downloaded rand_hc v0.1.0
[INFO] [stderr]   Downloaded safemem v0.3.3
[INFO] [stderr]   Downloaded rand_core v0.4.2
[INFO] [stderr]   Downloaded autocfg v1.5.1
[INFO] [stderr]   Downloaded rand_jitter v0.1.4
[INFO] [stderr]   Downloaded dtoa v1.0.11
[INFO] [stderr]   Downloaded smallvec v0.6.14
[INFO] [stderr]   Downloaded cloudabi v0.0.3
[INFO] [stderr]   Downloaded bitflags v1.3.2
[INFO] [stderr]   Downloaded selectors v0.21.0
[INFO] [stderr]   Downloaded servo_arc v0.1.1
[INFO] [stderr]   Downloaded rand_os v0.1.3
[INFO] [stderr]   Downloaded base64 v0.10.1
[INFO] [stderr]   Downloaded base64 v0.11.0
[INFO] [stderr]   Downloaded cssparser v0.25.9
[INFO] [stderr]   Downloaded htmlescape v0.3.1
[INFO] [stderr]   Downloaded rand v0.6.5
[INFO] [stderr]   Downloaded syn v1.0.109
[INFO] [stderr]   Downloaded regex-syntax v0.8.11
[INFO] [stderr]   Downloaded lol_html v0.1.0
[INFO] [stderr]   Downloaded mailparse v0.10.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] d8d9938071749ed99ee51ec9132ea5cccb196e768c3e94422ddb991de67abb44
[INFO] running `Command { std: "docker" "start" "d8d9938071749ed99ee51ec9132ea5cccb196e768c3e94422ddb991de67abb44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d8d9938071749ed99ee51ec9132ea5cccb196e768c3e94422ddb991de67abb44" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8d9938071749ed99ee51ec9132ea5cccb196e768c3e94422ddb991de67abb44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d8d9938071749ed99ee51ec9132ea5cccb196e768c3e94422ddb991de67abb44" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.1
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking cfg-if v1.0.4
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking dtoa v1.0.11
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking memchr v2.8.2
[INFO] [stderr]    Compiling procedural-masquerade v0.1.7
[INFO] [stderr]     Checking encoding_rs v0.8.35
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]     Checking dtoa-short v0.3.5
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling thiserror v1.0.69
[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]     Checking phf v0.7.24
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]     Checking stable_deref_trait v1.2.1
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking servo_arc v0.1.1
[INFO] [stderr]     Checking base64 v0.22.1
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking regex-syntax v0.8.11
[INFO] [stderr]     Checking log v0.4.32
[INFO] [stderr]     Checking thin-slice v0.1.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking quoted_printable v0.4.8
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking htmlescape v0.3.1
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]    Compiling syn v2.0.118
[INFO] [stderr]     Checking charset v0.1.5
[INFO] [stderr]     Checking mailparse v0.10.4
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling selectors v0.21.0
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking regex v1.12.4
[INFO] [stderr]    Compiling cssparser v0.25.9
[INFO] [stderr]    Compiling cssparser-macros v0.3.6
[INFO] [stderr]     Checking lol_html v0.1.0
[INFO] [stderr]     Checking 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] [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 21.69s
[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" "d8d9938071749ed99ee51ec9132ea5cccb196e768c3e94422ddb991de67abb44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8d9938071749ed99ee51ec9132ea5cccb196e768c3e94422ddb991de67abb44", kill_on_drop: false }`
[INFO] [stdout] d8d9938071749ed99ee51ec9132ea5cccb196e768c3e94422ddb991de67abb44
