[INFO] cloning repository https://github.com/lorenzolgz/concurrentes-tp1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lorenzolgz/concurrentes-tp1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Florenzolgz%2Fconcurrentes-tp1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Florenzolgz%2Fconcurrentes-tp1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7bb7a0b53ae60aa9650e6f8255926e0ade06addb
[INFO] checking lorenzolgz/concurrentes-tp1 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Florenzolgz%2Fconcurrentes-tp1" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lorenzolgz/concurrentes-tp1 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lorenzolgz/concurrentes-tp1
[INFO] finished tweaking git repo https://github.com/lorenzolgz/concurrentes-tp1
[INFO] tweaked toml for git repo https://github.com/lorenzolgz/concurrentes-tp1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/lorenzolgz/concurrentes-tp1 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-sink v0.3.17
[INFO] [stderr]   Downloaded actix v0.11.1
[INFO] [stderr]   Downloaded std-semaphore v0.1.0
[INFO] [stderr]   Downloaded actix-rt v2.3.0
[INFO] [stderr]   Downloaded futures-core v0.3.17
[INFO] [stderr]   Downloaded tokio-util v0.6.8
[INFO] [stderr]   Downloaded futures-task v0.3.17
[INFO] [stderr]   Downloaded futures-util v0.3.17
[INFO] [stderr]   Downloaded tokio v1.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dbe9b6db6091766f5de194a76e60da9c27b42405aac826eb5d0497a3af7688c0
[INFO] running `Command { std: "docker" "start" "-a" "dbe9b6db6091766f5de194a76e60da9c27b42405aac826eb5d0497a3af7688c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbe9b6db6091766f5de194a76e60da9c27b42405aac826eb5d0497a3af7688c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbe9b6db6091766f5de194a76e60da9c27b42405aac826eb5d0497a3af7688c0", kill_on_drop: false }`
[INFO] [stdout] dbe9b6db6091766f5de194a76e60da9c27b42405aac826eb5d0497a3af7688c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9827ff781ff661cd979f2522934a9c660533fe0c72baca4c0e6b542b3df0a41f
[INFO] running `Command { std: "docker" "start" "-a" "9827ff781ff661cd979f2522934a9c660533fe0c72baca4c0e6b542b3df0a41f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.77
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking std-semaphore v0.1.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling actix-macros v0.2.3
[INFO] [stderr]    Compiling actix_derive v0.6.0
[INFO] [stderr]     Checking tokio-util v0.6.8
[INFO] [stderr]     Checking actix-rt v2.3.0
[INFO] [stderr]     Checking actix v0.11.1
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking rustproject v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/common/helper.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |         Err(..) => {
[INFO] [stdout]    |         ^^^^^^^ matches no values because `Result<std::string::String, Infallible>` is uninhabited
[INFO] [stdout]    |
[INFO] [stdout]    = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/common/helper.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |         Err(..) => {
[INFO] [stdout]    |         ^^^^^^^ matches no values because `Result<std::string::String, Infallible>` is uninhabited
[INFO] [stdout]    |
[INFO] [stdout]    = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/common/helper.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |         Err(..) => {
[INFO] [stdout]     |         ^^^^^^^ matches no values because `Result<std::string::String, Infallible>` is uninhabited
[INFO] [stdout]     |
[INFO] [stdout]     = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/common/helper.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |         Err(..) => {
[INFO] [stdout]     |         ^^^^^^^ matches no values because `Result<std::string::String, Infallible>` is uninhabited
[INFO] [stdout]     |
[INFO] [stdout]     = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::map_or` that must be used
[INFO] [stdout]   --> src/parte_b/actors/benchmark.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 | /         msg.time_elapsed.map_or((), |duration| {
[INFO] [stdout] 42 | |             self.update_average_time(duration);
[INFO] [stdout] 43 | |         });
[INFO] [stdout]    | |__________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the returned value, use `if let` instead
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let _ = msg.time_elapsed.map_or((), |duration| {
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::map_or` that must be used
[INFO] [stdout]   --> src/parte_b/actors/benchmark.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 | /         msg.time_elapsed.map_or((), |duration| {
[INFO] [stdout] 42 | |             self.update_average_time(duration);
[INFO] [stdout] 43 | |         });
[INFO] [stdout]    | |__________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the returned value, use `if let` instead
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let _ = msg.time_elapsed.map_or((), |duration| {
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.40s
[INFO] running `Command { std: "docker" "inspect" "9827ff781ff661cd979f2522934a9c660533fe0c72baca4c0e6b542b3df0a41f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9827ff781ff661cd979f2522934a9c660533fe0c72baca4c0e6b542b3df0a41f", kill_on_drop: false }`
[INFO] [stdout] 9827ff781ff661cd979f2522934a9c660533fe0c72baca4c0e6b542b3df0a41f