[INFO] cloning repository https://github.com/demenik/corona-ng
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/demenik/corona-ng" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdemenik%2Fcorona-ng", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdemenik%2Fcorona-ng'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4fd3f202f08e06e0fb570d307d021bdf3619b8c6
[INFO] checking demenik/corona-ng against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdemenik%2Fcorona-ng" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/demenik/corona-ng
[INFO] finished tweaking git repo https://github.com/demenik/corona-ng
[INFO] tweaked toml for git repo https://github.com/demenik/corona-ng written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/demenik/corona-ng on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/demenik/corona-ng 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking demenik/corona-ng against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdemenik%2Fcorona-ng" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/demenik/corona-ng
[INFO] finished tweaking git repo https://github.com/demenik/corona-ng
[INFO] tweaked toml for git repo https://github.com/demenik/corona-ng written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/demenik/corona-ng on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/demenik/corona-ng 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 01a39aa4336c74a77373d6841d8e090053a7bd73f093e06a2e450c05fb0af8b2
[INFO] running `Command { std: "docker" "start" "-a" "01a39aa4336c74a77373d6841d8e090053a7bd73f093e06a2e450c05fb0af8b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01a39aa4336c74a77373d6841d8e090053a7bd73f093e06a2e450c05fb0af8b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01a39aa4336c74a77373d6841d8e090053a7bd73f093e06a2e450c05fb0af8b2", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17a5b132065eab59156d90264e90d8d1237544c57b433a865e3771b325fd8d31
[INFO] running `Command { std: "docker" "start" "-a" "17a5b132065eab59156d90264e90d8d1237544c57b433a865e3771b325fd8d31", kill_on_drop: false }`
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[INFO] [stdout] warning: field `cookie_jar` is never read
[INFO] [stdout]   --> src/backend/network.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct NetworkClient {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 13 |     client: Client,
[INFO] [stdout] 14 |     cookie_jar: Arc<Jar>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NetworkClient` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `cookie_jar` is never read
[INFO] [stdout]   --> src/backend/network.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct NetworkClient {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 13 |     client: Client,
[INFO] [stdout] 14 |     cookie_jar: Arc<Jar>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NetworkClient` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `note` is never read
[INFO] [stdout]   --> src/app.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct Course {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub note: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Course` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `course_name` is never read
[INFO] [stdout]   --> src/app.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub struct CourseSignUpResult {
[INFO] [stdout]    |            ------------------ field in this struct
[INFO] [stdout] 55 |     pub course_id: Option<String>,
[INFO] [stdout] 56 |     pub course_name: String,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CourseSignUpResult` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `is_logged_in` and `login_error` are never read
[INFO] [stdout]    --> src/app.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub struct App {
[INFO] [stdout]     |            --- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 108 |     pub is_logged_in: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 109 |     pub login_error: Option<String>,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `cookie_jar` is never read
[INFO] [stdout]   --> src/backend/network.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct NetworkClient {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 13 |     client: Client,
[INFO] [stdout] 14 |     cookie_jar: Arc<Jar>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NetworkClient` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `note` is never read
[INFO] [stdout]   --> src/app.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct Course {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub note: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Course` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `course_name` is never read
[INFO] [stdout]   --> src/app.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub struct CourseSignUpResult {
[INFO] [stdout]    |            ------------------ field in this struct
[INFO] [stdout] 55 |     pub course_id: Option<String>,
[INFO] [stdout] 56 |     pub course_name: String,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CourseSignUpResult` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `is_logged_in` and `login_error` are never read
[INFO] [stdout]    --> src/app.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub struct App {
[INFO] [stdout]     |            --- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 108 |     pub is_logged_in: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 109 |     pub login_error: Option<String>,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `cookie_jar` is never read
[INFO] [stdout]   --> src/backend/network.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct NetworkClient {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 13 |     client: Client,
[INFO] [stdout] 14 |     cookie_jar: Arc<Jar>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NetworkClient` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.67s
[INFO] running `Command { std: "docker" "inspect" "17a5b132065eab59156d90264e90d8d1237544c57b433a865e3771b325fd8d31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17a5b132065eab59156d90264e90d8d1237544c57b433a865e3771b325fd8d31", kill_on_drop: false }`
[INFO] [stdout] 17a5b132065eab59156d90264e90d8d1237544c57b433a865e3771b325fd8d31
