[INFO] cloning repository https://github.com/CrispinStichart/email-liberator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CrispinStichart/email-liberator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCrispinStichart%2Femail-liberator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCrispinStichart%2Femail-liberator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2c32d6e238e03a11242436100265f5258f7c9e8e
[INFO] building CrispinStichart/email-liberator against try#434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275 for pr-101591
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCrispinStichart%2Femail-liberator" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CrispinStichart/email-liberator on toolchain 434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/CrispinStichart/email-liberator
[INFO] finished tweaking git repo https://github.com/CrispinStichart/email-liberator
[INFO] tweaked toml for git repo https://github.com/CrispinStichart/email-liberator written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/CrispinStichart/email-liberator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96705138c35dbff3826d300979fd5d59ab93dbb1654a020996f12c9043aedeca
[INFO] running `Command { std: "docker" "start" "-a" "96705138c35dbff3826d300979fd5d59ab93dbb1654a020996f12c9043aedeca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96705138c35dbff3826d300979fd5d59ab93dbb1654a020996f12c9043aedeca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96705138c35dbff3826d300979fd5d59ab93dbb1654a020996f12c9043aedeca", kill_on_drop: false }`
[INFO] [stdout] 96705138c35dbff3826d300979fd5d59ab93dbb1654a020996f12c9043aedeca
[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" "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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dbc066cb8ce4dc1fda53d673c803a162f981922e271363b4596e1159d94e640c
[INFO] running `Command { std: "docker" "start" "-a" "dbc066cb8ce4dc1fda53d673c803a162f981922e271363b4596e1159d94e640c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling once_cell v1.10.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling encoding_rs v0.8.30
[INFO] [stderr]    Compiling bufstream v0.1.4
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling ascii_utils v0.9.3
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling aliasable v0.1.3
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]    Compiling data-encoding v2.3.2
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling quoted_printable v0.4.5
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling termcolor v1.1.3
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[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling rand_core v0.3.1
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[INFO] [stderr]    Compiling encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-korean v1.20141219.5
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[INFO] [stderr]    Compiling encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling email v0.0.20
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling fast_chemail v0.9.6
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[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 encoding v0.2.33
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling os_str_bytes v6.0.0
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v4.2.4
[INFO] [stderr]    Compiling nix v0.23.1
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling charset v0.1.3
[INFO] [stderr]    Compiling imap-proto v0.15.0
[INFO] [stderr]    Compiling mailparse v0.13.8
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling ctrlc v3.2.1
[INFO] [stderr]    Compiling ouroboros_macro v0.14.2
[INFO] [stderr]    Compiling clap_derive v3.1.4
[INFO] [stderr]    Compiling ouroboros v0.14.2
[INFO] [stderr]    Compiling imap v3.0.0-alpha.6
[INFO] [stderr]    Compiling clap v3.1.6
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling lettre v0.9.6
[INFO] [stderr]    Compiling lettre_email v0.9.4
[INFO] [stderr]    Compiling mail_client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `anyhow::Result`
[INFO] [stdout]  --> src/action.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use anyhow::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sections` is never read
[INFO] [stdout]   --> src/config.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct ImapOptions {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 40 |     sections: Vec<Sections>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: `ImapOptions` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.00s
[INFO] running `Command { std: "docker" "inspect" "dbc066cb8ce4dc1fda53d673c803a162f981922e271363b4596e1159d94e640c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbc066cb8ce4dc1fda53d673c803a162f981922e271363b4596e1159d94e640c", kill_on_drop: false }`
[INFO] [stdout] dbc066cb8ce4dc1fda53d673c803a162f981922e271363b4596e1159d94e640c
[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" "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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9d44033fd9a3dd74ca7a478b999b6c4e4e3939b6bd6760f357040f773216399
[INFO] running `Command { std: "docker" "start" "-a" "a9d44033fd9a3dd74ca7a478b999b6c4e4e3939b6bd6760f357040f773216399", kill_on_drop: false }`
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling predicates-core v1.0.3
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling termtree v0.2.4
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling os_pipe v0.9.2
[INFO] [stderr]    Compiling shared_child v0.3.5
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling predicates-tree v1.0.5
[INFO] [stderr]    Compiling duct v0.13.5
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stdout] warning: unused import: `anyhow::Result`
[INFO] [stdout]  --> src/action.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use anyhow::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sections` is never read
[INFO] [stdout]   --> src/config.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct ImapOptions {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 40 |     sections: Vec<Sections>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: `ImapOptions` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling predicates v2.1.1
[INFO] [stderr]    Compiling assert_cmd v2.0.4
[INFO] [stderr]    Compiling mail_client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `utils::*`
[INFO] [stdout]  --> tests/pipeline_test.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use utils::*;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread::sleep`
[INFO] [stdout]  --> tests/test_execute.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::thread::sleep;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> tests/test_execute.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sections` is never read
[INFO] [stdout]   --> src/config.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct ImapOptions {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 40 |     sections: Vec<Sections>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: `ImapOptions` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 19.96s
[INFO] running `Command { std: "docker" "inspect" "a9d44033fd9a3dd74ca7a478b999b6c4e4e3939b6bd6760f357040f773216399", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9d44033fd9a3dd74ca7a478b999b6c4e4e3939b6bd6760f357040f773216399", kill_on_drop: false }`
[INFO] [stdout] a9d44033fd9a3dd74ca7a478b999b6c4e4e3939b6bd6760f357040f773216399