[INFO] fetching crate panorama 0.0.1...
[INFO] checking panorama-0.0.1 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] extracting crate panorama 0.0.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate panorama 0.0.1 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate panorama 0.0.1
[INFO] finished tweaking crates.io crate panorama 0.0.1
[INFO] tweaked toml for crates.io crate panorama 0.0.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate panorama 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded panorama-imap v0.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37db0a69f0403f014d4a55c906f8bd62c4fff65f11e4d0b6f03d043b5a7eb3bd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "37db0a69f0403f014d4a55c906f8bd62c4fff65f11e4d0b6f03d043b5a7eb3bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37db0a69f0403f014d4a55c906f8bd62c4fff65f11e4d0b6f03d043b5a7eb3bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37db0a69f0403f014d4a55c906f8bd62c4fff65f11e4d0b6f03d043b5a7eb3bd", kill_on_drop: false }`
[INFO] [stdout] 37db0a69f0403f014d4a55c906f8bd62c4fff65f11e4d0b6f03d043b5a7eb3bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e17db9a076aa0a5a2bcd709344e68c4eed5427c006c768c71f69bfaee2eea6d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8e17db9a076aa0a5a2bcd709344e68c4eed5427c006c768c71f69bfaee2eea6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking spin v0.5.2
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[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking futures-io v0.3.12
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking ascii_utils v0.9.3
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking lazycell v1.3.0
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[INFO] [stderr]    Compiling openssl-sys v0.9.60
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[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]    Compiling tokio v1.2.0
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[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling nom v6.1.0
[INFO] [stderr]     Checking futures-channel v0.3.12
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking textwrap v0.11.0
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[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking inotify v0.7.1
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[INFO] [stderr]     Checking rustls v0.19.0
[INFO] [stderr]     Checking webpki-roots v0.21.0
[INFO] [stderr]     Checking panorama-imap v0.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]     Checking rustls-native-certs v0.5.0
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[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking futures-executor v0.3.12
[INFO] [stderr]     Checking futures v0.3.12
[INFO] [stderr]     Checking serde v1.0.123
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[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking lettre v0.9.5
[INFO] [stderr]     Checking panorama v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ClearType`
[INFO] [stdout]   --> src/ui/mod.rs:14:22
[INFO] [stdout]    |
[INFO] [stdout] 14 |     terminal::{self, ClearType},
[INFO] [stdout]    |                      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ClearType`
[INFO] [stdout]   --> src/ui/mod.rs:14:22
[INFO] [stdout]    |
[INFO] [stdout] 14 |     terminal::{self, ClearType},
[INFO] [stdout]    |                      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd_in`
[INFO] [stdout]   --> src/mail.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     cmd_in: UnboundedReceiver<MailCommand>,
[INFO] [stdout]    |     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cmd_in`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `curr_conn` is assigned to, but never used
[INFO] [stdout]   --> src/mail.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let mut curr_conn = None;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_curr_conn` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `curr_conn` is never read
[INFO] [stdout]   --> src/mail.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         curr_conn = Some(handle);
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `caps`
[INFO] [stdout]    --> src/mail.rs:178:48
[INFO] [stdout]     |
[INFO] [stdout] 178 |                         Response::Capabilities(caps) => {
[INFO] [stdout]     |                                                ^^^^ help: if this is intentional, prefix it with an underscore: `_caps`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd_in`
[INFO] [stdout]   --> src/mail.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     cmd_in: UnboundedReceiver<MailCommand>,
[INFO] [stdout]    |     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cmd_in`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `curr_conn` is assigned to, but never used
[INFO] [stdout]   --> src/mail.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let mut curr_conn = None;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_curr_conn` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `curr_conn` is never read
[INFO] [stdout]   --> src/mail.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         curr_conn = Some(handle);
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `caps`
[INFO] [stdout]    --> src/mail.rs:178:48
[INFO] [stdout]     |
[INFO] [stdout] 178 |                         Response::Capabilities(caps) => {
[INFO] [stdout]     |                                                ^^^^ help: if this is intentional, prefix it with an underscore: `_caps`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MailConfig`
[INFO] [stdout]   --> src/main.rs:10:47
[INFO] [stdout]    |
[INFO] [stdout] 10 | use panorama::{config::{spawn_config_watcher, MailConfig}, mail, ui};
[INFO] [stdout]    |                                               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `xdg`
[INFO] [stdout]   --> src/main.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let xdg = BaseDirectories::new()?;
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_xdg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mail_tx`
[INFO] [stdout]   --> src/main.rs:50:10
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let (mail_tx, mail_rx) = mpsc::unbounded_channel();
[INFO] [stdout]    |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mail_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MailConfig`
[INFO] [stdout]   --> src/main.rs:10:47
[INFO] [stdout]    |
[INFO] [stdout] 10 | use panorama::{config::{spawn_config_watcher, MailConfig}, mail, ui};
[INFO] [stdout]    |                                               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `xdg`
[INFO] [stdout]   --> src/main.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let xdg = BaseDirectories::new()?;
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_xdg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mail_tx`
[INFO] [stdout]   --> src/main.rs:50:10
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let (mail_tx, mail_rx) = mpsc::unbounded_channel();
[INFO] [stdout]    |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mail_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 31s
[INFO] running `Command { std: "docker" "inspect" "8e17db9a076aa0a5a2bcd709344e68c4eed5427c006c768c71f69bfaee2eea6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e17db9a076aa0a5a2bcd709344e68c4eed5427c006c768c71f69bfaee2eea6d", kill_on_drop: false }`
[INFO] [stdout] 8e17db9a076aa0a5a2bcd709344e68c4eed5427c006c768c71f69bfaee2eea6d