[INFO] fetching crate panorama 0.0.1...
[INFO] checking panorama-0.0.1 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate panorama 0.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate panorama 0.0.1 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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-4/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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
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[INFO] [stderr]   Downloaded hostname v0.1.5
[INFO] [stderr]   Downloaded filetime v0.2.14
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 704f46e39d9b0b613f47237d7aa0104d58a5d0ea7a225ae8496952c8fb5af4bc
[INFO] running `Command { std: "docker" "start" "-a" "704f46e39d9b0b613f47237d7aa0104d58a5d0ea7a225ae8496952c8fb5af4bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "704f46e39d9b0b613f47237d7aa0104d58a5d0ea7a225ae8496952c8fb5af4bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "704f46e39d9b0b613f47237d7aa0104d58a5d0ea7a225ae8496952c8fb5af4bc", kill_on_drop: false }`
[INFO] [stdout] 704f46e39d9b0b613f47237d7aa0104d58a5d0ea7a225ae8496952c8fb5af4bc
[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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0e71757639de48a49f03ccf5e6a3a9cac8202bfe9873be8136538b02ada7ed49
[INFO] running `Command { std: "docker" "start" "-a" "0e71757639de48a49f03ccf5e6a3a9cac8202bfe9873be8136538b02ada7ed49", kill_on_drop: false }`
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[INFO] [stderr]     Checking futures-io v0.3.12
[INFO] [stderr]     Checking bytes v1.0.1
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[INFO] [stderr]    Compiling version_check v0.1.5
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[INFO] [stderr]     Checking byteorder v1.4.2
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[INFO] [stderr]    Compiling ring v0.16.20
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[INFO] [stderr]    Compiling nom v4.2.3
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[INFO] [stderr]    Compiling syn v1.0.60
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[INFO] [stderr]    Compiling native-tls v0.2.7
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[INFO] [stderr]     Checking sct v0.6.0
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[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking panorama-imap v0.0.1
[INFO] [stderr]     Checking rustls-native-certs v0.5.0
[INFO] [stderr]     Checking rustls-connector v0.13.1
[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 futures-util v0.3.12
[INFO] [stderr]     Checking pin-project v1.0.5
[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
[INFO] [stderr]     Checking tokio-util v0.6.3
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[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:43:13
[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:43:13
[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: field is never read: `config_path`
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     config_path: Option<PathBuf>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 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: field is never read: `config_path`
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     config_path: Option<PathBuf>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 47s
[INFO] running `Command { std: "docker" "inspect" "0e71757639de48a49f03ccf5e6a3a9cac8202bfe9873be8136538b02ada7ed49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e71757639de48a49f03ccf5e6a3a9cac8202bfe9873be8136538b02ada7ed49", kill_on_drop: false }`
[INFO] [stdout] 0e71757639de48a49f03ccf5e6a3a9cac8202bfe9873be8136538b02ada7ed49