[INFO] cloning repository https://github.com/spacebox-org/spacebox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/spacebox-org/spacebox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspacebox-org%2Fspacebox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspacebox-org%2Fspacebox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 91d9a2edf4d2ce491b6a6e8f061cb2ab167751b7
[INFO] checking spacebox-org/spacebox against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspacebox-org%2Fspacebox" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/spacebox-org/spacebox on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/spacebox-org/spacebox
[INFO] finished tweaking git repo https://github.com/spacebox-org/spacebox
[INFO] tweaked toml for git repo https://github.com/spacebox-org/spacebox written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/spacebox-org/spacebox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--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 serde_derive v1.0.76
[INFO] [stderr]   Downloaded globset v0.4.1
[INFO] [stderr]   Downloaded serde v1.0.76
[INFO] [stderr]   Downloaded sha3 v0.7.3
[INFO] [stderr]   Downloaded fern v0.5.6
[INFO] [stderr]   Downloaded ignore v0.4.3
[INFO] [stderr]   Downloaded serde_yaml v0.8.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84f66ea2e0d7b7431d2ee121e759d7ed87c1369a402951b68f59b0439851ea19
[INFO] running `Command { std: "docker" "start" "-a" "84f66ea2e0d7b7431d2ee121e759d7ed87c1369a402951b68f59b0439851ea19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84f66ea2e0d7b7431d2ee121e759d7ed87c1369a402951b68f59b0439851ea19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84f66ea2e0d7b7431d2ee121e759d7ed87c1369a402951b68f59b0439851ea19", kill_on_drop: false }`
[INFO] [stdout] 84f66ea2e0d7b7431d2ee121e759d7ed87c1369a402951b68f59b0439851ea19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d184a4670de6d46893851bdeef0d6e49357d40594adf064919107e405f67f80b
[INFO] running `Command { std: "docker" "start" "-a" "d184a4670de6d46893851bdeef0d6e49357d40594adf064919107e405f67f80b", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]    Compiling proc-macro2 v0.4.17
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking lazycell v0.6.0
[INFO] [stderr]    Compiling serde v1.0.76
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling regex v1.0.4
[INFO] [stderr]     Checking crossbeam-utils v0.5.0
[INFO] [stderr]     Checking same-file v1.0.3
[INFO] [stderr]     Checking utf8-ranges v1.0.1
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]     Checking arrayref v0.3.4
[INFO] [stderr]     Checking crossbeam v0.3.2
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stderr]     Checking tokio-executor v0.1.4
[INFO] [stderr]     Checking smallvec v0.6.5
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking digest v0.7.2
[INFO] [stderr]     Checking log v0.4.5
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking walkdir v2.2.5
[INFO] [stderr]     Checking lock_api v0.1.3
[INFO] [stderr]     Checking sha3 v0.7.3
[INFO] [stderr]     Checking yaml-rust v0.4.2
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking memchr v2.0.2
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking filetime v0.2.1
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking aho-corasick v0.6.8
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]     Checking bytes v0.4.10
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking colored v1.6.1
[INFO] [stderr]     Checking mio v0.6.15
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking fern v0.5.6
[INFO] [stderr]     Checking tokio-io v0.1.8
[INFO] [stderr]     Checking parking_lot_core v0.3.0
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking tokio-reactor v0.1.5
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]     Checking notify v4.0.6
[INFO] [stderr]     Checking serde_json v1.0.26
[INFO] [stderr]     Checking serde_yaml v0.8.5
[INFO] [stderr]     Checking globset v0.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.76
[INFO] [stderr]     Checking ignore v0.4.3
[INFO] [stderr]     Checking spacebox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:24:32
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/error.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |             _ => write!(f, "")
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `app_config`
[INFO] [stdout]   --> src/main.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let app_config: config::ApplicationConfig =
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_app_config`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:24:32
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/error.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |             _ => write!(f, "")
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `app_config`
[INFO] [stdout]   --> src/main.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let app_config: config::ApplicationConfig =
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_app_config`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.32s
[INFO] running `Command { std: "docker" "inspect" "d184a4670de6d46893851bdeef0d6e49357d40594adf064919107e405f67f80b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d184a4670de6d46893851bdeef0d6e49357d40594adf064919107e405f67f80b", kill_on_drop: false }`
[INFO] [stdout] d184a4670de6d46893851bdeef0d6e49357d40594adf064919107e405f67f80b