[INFO] cloning repository https://github.com/dafienko/rust-sandbox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dafienko/rust-sandbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdafienko%2Frust-sandbox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdafienko%2Frust-sandbox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1b70d1cab41aebb9cdb5da7b441a94cf4bc79771
[INFO] building dafienko/rust-sandbox against try#8b8eff55bd72abbb57167bc42222a7f91d41cb0d for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdafienko%2Frust-sandbox" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dafienko/rust-sandbox on toolchain 8b8eff55bd72abbb57167bc42222a7f91d41cb0d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dafienko/rust-sandbox
[INFO] finished tweaking git repo https://github.com/dafienko/rust-sandbox
[INFO] tweaked toml for git repo https://github.com/dafienko/rust-sandbox written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/dafienko/rust-sandbox 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" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db7d991f0a30400355e3e9d23b069c86fb7623a5cbbe4129b7531fd5d69f0d07
[INFO] running `Command { std: "docker" "start" "-a" "db7d991f0a30400355e3e9d23b069c86fb7623a5cbbe4129b7531fd5d69f0d07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db7d991f0a30400355e3e9d23b069c86fb7623a5cbbe4129b7531fd5d69f0d07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db7d991f0a30400355e3e9d23b069c86fb7623a5cbbe4129b7531fd5d69f0d07", kill_on_drop: false }`
[INFO] [stdout] db7d991f0a30400355e3e9d23b069c86fb7623a5cbbe4129b7531fd5d69f0d07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 457cc048895d91d1baf54c72fc8af9dc3bffa818ac3744756b27169ce974e6ce
[INFO] running `Command { std: "docker" "start" "-a" "457cc048895d91d1baf54c72fc8af9dc3bffa818ac3744756b27169ce974e6ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::animal::Animal`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::animal::Animal;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vector_fun` is never used
[INFO] [stdout]  --> src/main.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn vector_fun() {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `dot` is never used
[INFO] [stdout]   --> src/vec2.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 53 | impl<T: Mul<Output = T> + Add<Output = T>> Vec2<T> {
[INFO] [stdout]    | -------------------------------------------------- method in this implementation
[INFO] [stdout] 54 |     pub fn dot(self, other: Self) -> T {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `magnitude` is never used
[INFO] [stdout]   --> src/vec2.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 59 | impl Vec2<f32> {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] 60 |     pub fn magnitude(self) -> f32 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AnimalInstance` is never constructed
[INFO] [stdout]  --> src/animal.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct AnimalInstance {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `AnimalInstance` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `getName` is never used
[INFO] [stdout]  --> src/animal.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl AnimalInstance {
[INFO] [stdout]   | ------------------- method in this implementation
[INFO] [stdout] 9 |     pub fn getName(&self) -> &str {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Animal` is never used
[INFO] [stdout]   --> src/animal.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub trait Animal {
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cow` is never constructed
[INFO] [stdout]   --> src/animal.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct Cow {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Dog` is never constructed
[INFO] [stdout]   --> src/animal.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct Dog {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `getName` should have a snake case name
[INFO] [stdout]  --> src/animal.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn getName(&self) -> &str {
[INFO] [stdout]   |            ^^^^^^^ help: convert the identifier to snake case: `get_name`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait method `getAnimalInstance` should have a snake case name
[INFO] [stdout]   --> src/animal.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn getAnimalInstance() -> AnimalInstance;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `get_animal_instance`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "457cc048895d91d1baf54c72fc8af9dc3bffa818ac3744756b27169ce974e6ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "457cc048895d91d1baf54c72fc8af9dc3bffa818ac3744756b27169ce974e6ce", kill_on_drop: false }`
[INFO] [stdout] 457cc048895d91d1baf54c72fc8af9dc3bffa818ac3744756b27169ce974e6ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb52ff44e9ddb9084be479cbcdb02f11158846078d2ffbee356a613e6414ec79
[INFO] running `Command { std: "docker" "start" "-a" "bb52ff44e9ddb9084be479cbcdb02f11158846078d2ffbee356a613e6414ec79", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::animal::Animal`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::animal::Animal;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vector_fun` is never used
[INFO] [stdout]  --> src/main.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn vector_fun() {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `dot` is never used
[INFO] [stdout]   --> src/vec2.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 53 | impl<T: Mul<Output = T> + Add<Output = T>> Vec2<T> {
[INFO] [stdout]    | -------------------------------------------------- method in this implementation
[INFO] [stdout] 54 |     pub fn dot(self, other: Self) -> T {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `magnitude` is never used
[INFO] [stdout]   --> src/vec2.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 59 | impl Vec2<f32> {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] 60 |     pub fn magnitude(self) -> f32 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AnimalInstance` is never constructed
[INFO] [stdout]  --> src/animal.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct AnimalInstance {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `AnimalInstance` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `getName` is never used
[INFO] [stdout]  --> src/animal.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl AnimalInstance {
[INFO] [stdout]   | ------------------- method in this implementation
[INFO] [stdout] 9 |     pub fn getName(&self) -> &str {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Animal` is never used
[INFO] [stdout]   --> src/animal.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub trait Animal {
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cow` is never constructed
[INFO] [stdout]   --> src/animal.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct Cow {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Dog` is never constructed
[INFO] [stdout]   --> src/animal.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct Dog {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `getName` should have a snake case name
[INFO] [stdout]  --> src/animal.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn getName(&self) -> &str {
[INFO] [stdout]   |            ^^^^^^^ help: convert the identifier to snake case: `get_name`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait method `getAnimalInstance` should have a snake case name
[INFO] [stdout]   --> src/animal.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn getAnimalInstance() -> AnimalInstance;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `get_animal_instance`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "bb52ff44e9ddb9084be479cbcdb02f11158846078d2ffbee356a613e6414ec79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb52ff44e9ddb9084be479cbcdb02f11158846078d2ffbee356a613e6414ec79", kill_on_drop: false }`
[INFO] [stdout] bb52ff44e9ddb9084be479cbcdb02f11158846078d2ffbee356a613e6414ec79