[INFO] cloning repository https://github.com/nicolas-albert/gmail_forwarder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nicolas-albert/gmail_forwarder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicolas-albert%2Fgmail_forwarder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicolas-albert%2Fgmail_forwarder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0658cc160e45bf28ef606126037e837011ff0d21
[INFO] checking nicolas-albert/gmail_forwarder against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicolas-albert%2Fgmail_forwarder" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/nicolas-albert/gmail_forwarder
[INFO] finished tweaking git repo https://github.com/nicolas-albert/gmail_forwarder
[INFO] tweaked toml for git repo https://github.com/nicolas-albert/gmail_forwarder written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nicolas-albert/gmail_forwarder on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nicolas-albert/gmail_forwarder 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 127aa5f14c86e67624fc7a31225139069e2484be15db35c41e4e028ae205dee5
[INFO] running `Command { std: "docker" "start" "-a" "127aa5f14c86e67624fc7a31225139069e2484be15db35c41e4e028ae205dee5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "127aa5f14c86e67624fc7a31225139069e2484be15db35c41e4e028ae205dee5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "127aa5f14c86e67624fc7a31225139069e2484be15db35c41e4e028ae205dee5", kill_on_drop: false }`
[INFO] [stdout] 127aa5f14c86e67624fc7a31225139069e2484be15db35c41e4e028ae205dee5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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 -Dunmustuse_in_always_ok" "-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d03b31b1b3dbd8e8c698ff842a62b1534eda77729b91335d277e0c8f5b284846
[INFO] running `Command { std: "docker" "start" "-a" "d03b31b1b3dbd8e8c698ff842a62b1534eda77729b91335d277e0c8f5b284846", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.99
[INFO] [stderr]    Compiling proc-macro2 v1.0.85
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]     Checking rustls-pki-types v1.7.0
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling rustls v0.20.6
[INFO] [stderr]    Compiling rustls v0.22.4
[INFO] [stderr]    Compiling either v1.12.0
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]     Checking rustls-pemfile v2.1.2
[INFO] [stderr]     Checking rustls-pemfile v1.0.0
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling indexmap v1.9.0
[INFO] [stderr]     Checking rustls-native-certs v0.7.0
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking aliasable v0.1.3
[INFO] [stderr]     Checking hashbrown v0.12.1
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking os_str_bytes v6.1.0
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]     Checking imap-proto v0.16.1
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking time v0.3.9
[INFO] [stderr]     Checking clap_lex v0.2.2
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking rustls-native-certs v0.6.2
[INFO] [stderr]     Checking email-encoding v0.1.2
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking quoted_printable v0.4.5
[INFO] [stderr]     Checking email_address v0.2.1
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking simple_logger v2.1.0
[INFO] [stderr]     Checking retry v1.3.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.2.5
[INFO] [stderr]    Compiling ouroboros_macro v0.18.4
[INFO] [stderr]     Checking webpki v0.22.0
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking rustls-webpki v0.102.4
[INFO] [stderr]     Checking webpki-roots v0.22.3
[INFO] [stderr]     Checking ouroboros v0.18.4
[INFO] [stderr]     Checking clap v3.2.5
[INFO] [stderr]     Checking lettre v0.10.0-rc.7
[INFO] [stderr]     Checking rustls-connector v0.16.1
[INFO] [stderr]     Checking rustls-connector v0.19.2
[INFO] [stderr]     Checking imap v3.0.0-alpha.14
[INFO] [stderr]     Checking gmail_forwarder v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]  --> src/cli.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub username: String,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cli.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub password: String,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cli.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub to: String,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cli.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub folder: String,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cli.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub sender: String,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cli.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub subject: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gmail_forwarder` (lib) due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]  --> src/cli.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub username: String,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cli.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub password: String,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cli.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub to: String,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cli.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub folder: String,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cli.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub sender: String,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cli.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub subject: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gmail_forwarder` (lib test) due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "d03b31b1b3dbd8e8c698ff842a62b1534eda77729b91335d277e0c8f5b284846", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d03b31b1b3dbd8e8c698ff842a62b1534eda77729b91335d277e0c8f5b284846", kill_on_drop: false }`
[INFO] [stdout] d03b31b1b3dbd8e8c698ff842a62b1534eda77729b91335d277e0c8f5b284846