[INFO] fetching crate mataho 0.1.0...
[INFO] testing mataho-0.1.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate mataho 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate mataho 0.1.0
[INFO] finished tweaking crates.io crate mataho 0.1.0
[INFO] tweaked toml for crates.io crate mataho 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mataho 0.1.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mataho 0.1.0 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0bbdb76113d209f20976016f023369c83bbfae5dfd775438854f752f38753033
[INFO] running `Command { std: "docker" "start" "-a" "0bbdb76113d209f20976016f023369c83bbfae5dfd775438854f752f38753033", kill_on_drop: false }`
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[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: methods `params_count` and `params_signature` are never used
[INFO] [stdout]    --> src/device.rs:101:12
[INFO] [stdout]     |
[INFO] [stdout] 100 | impl DeviceAction {
[INFO] [stdout]     | ----------------- methods in this implementation
[INFO] [stdout] 101 |     pub fn params_count(&self) -> i32 {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |     pub fn params_signature(&self) -> Option<&str> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DeviceGroup` is never constructed
[INFO] [stdout]  --> src/device_group.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct DeviceGroup {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/device_group.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl DeviceGroup {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] 14 |     pub fn new(name: &str) -> DeviceGroup {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn id(&self) -> &str {
[INFO] [stdout]    |            ^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn name(&self) -> &str {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn devices(&self) -> &Vec<String> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn has_device(&self, device_id: &str) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn add_device(&mut self, device_id: &str) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn remove_device(&mut self, device_id: &str) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `id` is never used
[INFO] [stdout]   --> src/model.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl DeviceGroup {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn id(&self) -> &str {
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 55.47s
[INFO] running `Command { std: "docker" "inspect" "cbe3b5b2b9a4c20770bc23dcd684c5e1aead05c7b1ee056ef8165e92c0cc3d4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbe3b5b2b9a4c20770bc23dcd684c5e1aead05c7b1ee056ef8165e92c0cc3d4b", kill_on_drop: false }`
[INFO] [stdout] cbe3b5b2b9a4c20770bc23dcd684c5e1aead05c7b1ee056ef8165e92c0cc3d4b
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34c03cf74a6d58d75060d26f7a91a96a6b9aa52f5d800ace668be9e718ea010d
[INFO] running `Command { std: "docker" "start" "-a" "34c03cf74a6d58d75060d26f7a91a96a6b9aa52f5d800ace668be9e718ea010d", kill_on_drop: false }`
[INFO] [stderr]    Compiling mataho v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `params_count` and `params_signature` are never used
[INFO] [stdout]    --> src/device.rs:101:12
[INFO] [stdout]     |
[INFO] [stdout] 100 | impl DeviceAction {
[INFO] [stdout]     | ----------------- methods in this implementation
[INFO] [stdout] 101 |     pub fn params_count(&self) -> i32 {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |     pub fn params_signature(&self) -> Option<&str> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DeviceGroup` is never constructed
[INFO] [stdout]  --> src/device_group.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct DeviceGroup {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/device_group.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl DeviceGroup {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] 14 |     pub fn new(name: &str) -> DeviceGroup {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn id(&self) -> &str {
[INFO] [stdout]    |            ^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn name(&self) -> &str {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn devices(&self) -> &Vec<String> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn has_device(&self, device_id: &str) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn add_device(&mut self, device_id: &str) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn remove_device(&mut self, device_id: &str) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `id` is never used
[INFO] [stdout]   --> src/model.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl DeviceGroup {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn id(&self) -> &str {
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "34c03cf74a6d58d75060d26f7a91a96a6b9aa52f5d800ace668be9e718ea010d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34c03cf74a6d58d75060d26f7a91a96a6b9aa52f5d800ace668be9e718ea010d", kill_on_drop: false }`
[INFO] [stdout] 34c03cf74a6d58d75060d26f7a91a96a6b9aa52f5d800ace668be9e718ea010d
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 178813c1c6ce0cd4f857a177645cb22d15cf6fc6a037190a65ab9ba55be8f037
[INFO] running `Command { std: "docker" "start" "-a" "178813c1c6ce0cd4f857a177645cb22d15cf6fc6a037190a65ab9ba55be8f037", kill_on_drop: false }`
[INFO] [stderr] warning: methods `params_count` and `params_signature` are never used
[INFO] [stderr]    --> src/device.rs:101:12
[INFO] [stderr]     |
[INFO] [stderr] 100 | impl DeviceAction {
[INFO] [stderr]     | ----------------- methods in this implementation
[INFO] [stderr] 101 |     pub fn params_count(&self) -> i32 {
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 109 |     pub fn params_signature(&self) -> Option<&str> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `DeviceGroup` is never constructed
[INFO] [stderr]  --> src/device_group.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct DeviceGroup {
[INFO] [stderr]   |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple associated items are never used
[INFO] [stderr]   --> src/device_group.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 13 | impl DeviceGroup {
[INFO] [stderr]    | ---------------- associated items in this implementation
[INFO] [stderr] 14 |     pub fn new(name: &str) -> DeviceGroup {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 |     pub fn id(&self) -> &str {
[INFO] [stderr]    |            ^^
[INFO] [stderr] ...
[INFO] [stderr] 26 |     pub fn name(&self) -> &str {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 30 |     pub fn devices(&self) -> &Vec<String> {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 34 |     pub fn has_device(&self, device_id: &str) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 38 |     pub fn add_device(&mut self, device_id: &str) -> Result<()> {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 47 |     pub fn remove_device(&mut self, device_id: &str) -> Result<()> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `id` is never used
[INFO] [stderr]   --> src/model.rs:42:12
[INFO] [stderr]    |
[INFO] [stderr] 33 | impl DeviceGroup {
[INFO] [stderr]    | ---------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 42 |     pub fn id(&self) -> &str {
[INFO] [stderr]    |            ^^
[INFO] [stderr] 
[INFO] [stderr] warning: `mataho` (bin "mataho" test) generated 4 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mataho-acf01c50db151754)
[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" "178813c1c6ce0cd4f857a177645cb22d15cf6fc6a037190a65ab9ba55be8f037", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "178813c1c6ce0cd4f857a177645cb22d15cf6fc6a037190a65ab9ba55be8f037", kill_on_drop: false }`
[INFO] [stdout] 178813c1c6ce0cd4f857a177645cb22d15cf6fc6a037190a65ab9ba55be8f037