[INFO] cloning repository https://github.com/stefanberndtsson/diventix-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stefanberndtsson/diventix-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstefanberndtsson%2Fdiventix-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstefanberndtsson%2Fdiventix-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c579e1d09307e124736b1fb1aab3e537a9879a7a
[INFO] testing stefanberndtsson/diventix-rs against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstefanberndtsson%2Fdiventix-rs" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stefanberndtsson/diventix-rs on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stefanberndtsson/diventix-rs
[INFO] finished tweaking git repo https://github.com/stefanberndtsson/diventix-rs
[INFO] tweaked toml for git repo https://github.com/stefanberndtsson/diventix-rs written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/stefanberndtsson/diventix-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ab4cbca4b146ca433af426b7fb2101a09a7349ca012ece7420fb29581aca117
[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" "9ab4cbca4b146ca433af426b7fb2101a09a7349ca012ece7420fb29581aca117", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ab4cbca4b146ca433af426b7fb2101a09a7349ca012ece7420fb29581aca117", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ab4cbca4b146ca433af426b7fb2101a09a7349ca012ece7420fb29581aca117", kill_on_drop: false }`
[INFO] [stdout] 9ab4cbca4b146ca433af426b7fb2101a09a7349ca012ece7420fb29581aca117
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--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] 6dc1ec67b4b3bf3ac0ead68a54dd6578206f76f2a86c21afdc893992dc07aa99
[INFO] running `Command { std: "docker" "start" "-a" "6dc1ec67b4b3bf3ac0ead68a54dd6578206f76f2a86c21afdc893992dc07aa99", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling vmix v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `output`
[INFO] [stdout]   --> src/cmd.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn output(mut self, port: output::Port, action: output::Action) -> Self {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `output_format`
[INFO] [stdout]   --> src/output.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn output_format(port: Port, format: Format) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `output_rate`
[INFO] [stdout]   --> src/output.rs:57:4
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn output_rate(port: Port, format: Rate) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `output_full`
[INFO] [stdout]   --> src/output.rs:61:4
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn output_full(port: Port, format: Format, rate: Rate) -> Vec<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `output`
[INFO] [stdout]   --> src/output.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub fn output(port: Port, action: Action) -> Vec<String> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.45s
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6dc1ec67b4b3bf3ac0ead68a54dd6578206f76f2a86c21afdc893992dc07aa99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dc1ec67b4b3bf3ac0ead68a54dd6578206f76f2a86c21afdc893992dc07aa99", kill_on_drop: false }`
[INFO] [stdout] 6dc1ec67b4b3bf3ac0ead68a54dd6578206f76f2a86c21afdc893992dc07aa99
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--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] ada3ac478f8c862aa397925b041610c226bf46713d9039f89a4b4ecbb13c2c19
[INFO] running `Command { std: "docker" "start" "-a" "ada3ac478f8c862aa397925b041610c226bf46713d9039f89a4b4ecbb13c2c19", kill_on_drop: false }`
[INFO] [stderr]    Compiling vmix v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `output`
[INFO] [stdout]   --> src/cmd.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn output(mut self, port: output::Port, action: output::Action) -> Self {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `output_format`
[INFO] [stdout]   --> src/output.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn output_format(port: Port, format: Format) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `output_rate`
[INFO] [stdout]   --> src/output.rs:57:4
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn output_rate(port: Port, format: Rate) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `output_full`
[INFO] [stdout]   --> src/output.rs:61:4
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn output_full(port: Port, format: Format, rate: Rate) -> Vec<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `output`
[INFO] [stdout]   --> src/output.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub fn output(port: Port, action: Action) -> Vec<String> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "ada3ac478f8c862aa397925b041610c226bf46713d9039f89a4b4ecbb13c2c19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ada3ac478f8c862aa397925b041610c226bf46713d9039f89a4b4ecbb13c2c19", kill_on_drop: false }`
[INFO] [stdout] ada3ac478f8c862aa397925b041610c226bf46713d9039f89a4b4ecbb13c2c19
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", 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] 004454229b858e5b6e613aceade2af2c86a2bfafec2842b09056fb25f9e623fa
[INFO] running `Command { std: "docker" "start" "-a" "004454229b858e5b6e613aceade2af2c86a2bfafec2842b09056fb25f9e623fa", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::io::prelude::*`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `output`
[INFO] [stderr]   --> src/cmd.rs:52:12
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn output(mut self, port: output::Port, action: output::Action) -> Self {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `output_format`
[INFO] [stderr]   --> src/output.rs:53:4
[INFO] [stderr]    |
[INFO] [stderr] 53 | fn output_format(port: Port, format: Format) -> String {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `output_rate`
[INFO] [stderr]   --> src/output.rs:57:4
[INFO] [stderr]    |
[INFO] [stderr] 57 | fn output_rate(port: Port, format: Rate) -> String {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `output_full`
[INFO] [stderr]   --> src/output.rs:61:4
[INFO] [stderr]    |
[INFO] [stderr] 61 | fn output_full(port: Port, format: Format, rate: Rate) -> Vec<String> {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `output`
[INFO] [stderr]   --> src/output.rs:65:8
[INFO] [stderr]    |
[INFO] [stderr] 65 | pub fn output(port: Port, action: Action) -> Vec<String> {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `vmix` (bin "vmix" test) generated 7 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/vmix-cb12563577937203)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "004454229b858e5b6e613aceade2af2c86a2bfafec2842b09056fb25f9e623fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "004454229b858e5b6e613aceade2af2c86a2bfafec2842b09056fb25f9e623fa", kill_on_drop: false }`
[INFO] [stdout] 004454229b858e5b6e613aceade2af2c86a2bfafec2842b09056fb25f9e623fa