[INFO] fetching crate immo 0.1.2...
[INFO] testing immo-0.1.2 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate immo 0.1.2 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate immo 0.1.2
[INFO] finished tweaking crates.io crate immo 0.1.2
[INFO] tweaked toml for crates.io crate immo 0.1.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate immo 0.1.2 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate immo 0.1.2 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3916c6427f66ef321894c083a996abe5190ebf204fa1cb586f085207ef5856ae
[INFO] running `Command { std: "docker" "start" "-a" "3916c6427f66ef321894c083a996abe5190ebf204fa1cb586f085207ef5856ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3916c6427f66ef321894c083a996abe5190ebf204fa1cb586f085207ef5856ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3916c6427f66ef321894c083a996abe5190ebf204fa1cb586f085207ef5856ae", kill_on_drop: false }`
[INFO] [stdout] 3916c6427f66ef321894c083a996abe5190ebf204fa1cb586f085207ef5856ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 150eca9fb4eb6fd3d79c93827d08e14d58b7cc8801567f3df9fd0e4daea40bab
[INFO] running `Command { std: "docker" "start" "-a" "150eca9fb4eb6fd3d79c93827d08e14d58b7cc8801567f3df9fd0e4daea40bab", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling immo v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/error.rs:40:19
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl ImageError {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 40 |     pub(crate) fn new<E>(kind: ErrorKind, error: E) -> Self
[INFO] [stdout]    |                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Custom` is never constructed
[INFO] [stdout]   --> src/error.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 63 | enum _ImageError {
[INFO] [stdout]    |      ----------- variant in this enum
[INFO] [stdout] 64 |     Simple(ErrorKind),
[INFO] [stdout] 65 |     Custom((ErrorKind, Box<dyn error::Error + Send + Sync>)),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "150eca9fb4eb6fd3d79c93827d08e14d58b7cc8801567f3df9fd0e4daea40bab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "150eca9fb4eb6fd3d79c93827d08e14d58b7cc8801567f3df9fd0e4daea40bab", kill_on_drop: false }`
[INFO] [stdout] 150eca9fb4eb6fd3d79c93827d08e14d58b7cc8801567f3df9fd0e4daea40bab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9c0c8a7931816e09341ff5aceae93b0675e1391608d050c92895b5505e7e2d5
[INFO] running `Command { std: "docker" "start" "-a" "b9c0c8a7931816e09341ff5aceae93b0675e1391608d050c92895b5505e7e2d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/error.rs:40:19
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl ImageError {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 40 |     pub(crate) fn new<E>(kind: ErrorKind, error: E) -> Self
[INFO] [stdout]    |                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Custom` is never constructed
[INFO] [stdout]   --> src/error.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 63 | enum _ImageError {
[INFO] [stdout]    |      ----------- variant in this enum
[INFO] [stdout] 64 |     Simple(ErrorKind),
[INFO] [stdout] 65 |     Custom((ErrorKind, Box<dyn error::Error + Send + Sync>)),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling miniz_oxide v0.6.2
[INFO] [stderr]    Compiling flate2 v1.0.25
[INFO] [stderr]    Compiling png v0.17.7
[INFO] [stderr]    Compiling immo v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LIGHT_AQUA` is never used
[INFO] [stdout]   --> examples/line.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const LIGHT_AQUA: (u8, u8, u8, u8) = (170, 222, 240, 255);
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DARK_AQUA` is never used
[INFO] [stdout]   --> examples/line.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const DARK_AQUA: (u8, u8, u8, u8) = (0, 140, 180, 255);
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `AQUA` is never used
[INFO] [stdout]   --> examples/line.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const AQUA: (u8, u8, u8, u8) = (0, 222, 255, 255);
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/error.rs:40:19
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl ImageError {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 40 |     pub(crate) fn new<E>(kind: ErrorKind, error: E) -> Self
[INFO] [stdout]    |                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Custom` is never constructed
[INFO] [stdout]   --> src/error.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 63 | enum _ImageError {
[INFO] [stdout]    |      ----------- variant in this enum
[INFO] [stdout] 64 |     Simple(ErrorKind),
[INFO] [stdout] 65 |     Custom((ErrorKind, Box<dyn error::Error + Send + Sync>)),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.38s
[INFO] running `Command { std: "docker" "inspect" "b9c0c8a7931816e09341ff5aceae93b0675e1391608d050c92895b5505e7e2d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9c0c8a7931816e09341ff5aceae93b0675e1391608d050c92895b5505e7e2d5", kill_on_drop: false }`
[INFO] [stdout] b9c0c8a7931816e09341ff5aceae93b0675e1391608d050c92895b5505e7e2d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 130c702841fb78f116ef2e024225e848499473ce395a896e3e8f212b25695f18
[INFO] running `Command { std: "docker" "start" "-a" "130c702841fb78f116ef2e024225e848499473ce395a896e3e8f212b25695f18", kill_on_drop: false }`
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/error.rs:40:19
[INFO] [stderr]    |
[INFO] [stderr] 39 | impl ImageError {
[INFO] [stderr]    | --------------- associated function in this implementation
[INFO] [stderr] 40 |     pub(crate) fn new<E>(kind: ErrorKind, error: E) -> Self
[INFO] [stderr]    |                   ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Custom` is never constructed
[INFO] [stderr]   --> src/error.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 63 | enum _ImageError {
[INFO] [stderr]    |      ----------- variant in this enum
[INFO] [stderr] 64 |     Simple(ErrorKind),
[INFO] [stderr] 65 |     Custom((ErrorKind, Box<dyn error::Error + Send + Sync>)),
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `immo` (lib) generated 3 warnings
[INFO] [stderr] warning: constant `LIGHT_AQUA` is never used
[INFO] [stderr]   --> examples/line.rs:10:7
[INFO] [stderr]    |
[INFO] [stderr] 10 | const LIGHT_AQUA: (u8, u8, u8, u8) = (170, 222, 240, 255);
[INFO] [stderr]    |       ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `DARK_AQUA` is never used
[INFO] [stderr]   --> examples/line.rs:11:7
[INFO] [stderr]    |
[INFO] [stderr] 11 | const DARK_AQUA: (u8, u8, u8, u8) = (0, 140, 180, 255);
[INFO] [stderr]    |       ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `AQUA` is never used
[INFO] [stderr]   --> examples/line.rs:12:7
[INFO] [stderr]    |
[INFO] [stderr] 12 | const AQUA: (u8, u8, u8, u8) = (0, 222, 255, 255);
[INFO] [stderr]    |       ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `immo` (example "line") generated 3 warnings
[INFO] [stderr] warning: `immo` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/immo-5e8b7de1e3382b2b)
[INFO] [stderr]    Doc-tests immo
[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] [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" "130c702841fb78f116ef2e024225e848499473ce395a896e3e8f212b25695f18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "130c702841fb78f116ef2e024225e848499473ce395a896e3e8f212b25695f18", kill_on_drop: false }`
[INFO] [stdout] 130c702841fb78f116ef2e024225e848499473ce395a896e3e8f212b25695f18