[INFO] fetching crate imageinfo 0.7.27...
[INFO] testing imageinfo-0.7.27 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate imageinfo 0.7.27 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate imageinfo 0.7.27
[INFO] finished tweaking crates.io crate imageinfo 0.7.27
[INFO] tweaked toml for crates.io crate imageinfo 0.7.27 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate imageinfo 0.7.27 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate imageinfo 0.7.27 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.215
[INFO] [stderr]   Downloaded serde v1.0.215
[INFO] [stderr]   Downloaded syn v2.0.90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2a3d865a937862442dd11d34a90f868e51aa45927f61d25431b81519387a70f
[INFO] running `Command { std: "docker" "start" "-a" "a2a3d865a937862442dd11d34a90f868e51aa45927f61d25431b81519387a70f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2a3d865a937862442dd11d34a90f868e51aa45927f61d25431b81519387a70f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2a3d865a937862442dd11d34a90f868e51aa45927f61d25431b81519387a70f", kill_on_drop: false }`
[INFO] [stdout] a2a3d865a937862442dd11d34a90f868e51aa45927f61d25431b81519387a70f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43b6089d4d28b726908bc2264bfe84b1fc72faa28773769d8ebacee7baa4c9d0
[INFO] running `Command { std: "docker" "start" "-a" "43b6089d4d28b726908bc2264bfe84b1fc72faa28773769d8ebacee7baa4c9d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling serde_derive v1.0.215
[INFO] [stderr]    Compiling imageinfo v0.7.27 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `offset` is never read
[INFO] [stdout]   --> src/formats/try_cur_ico.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     offset += entry_total_size;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `offset` is never read
[INFO] [stdout]   --> src/formats/try_cur_ico.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |         offset += bytes;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.04s
[INFO] running `Command { std: "docker" "inspect" "43b6089d4d28b726908bc2264bfe84b1fc72faa28773769d8ebacee7baa4c9d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43b6089d4d28b726908bc2264bfe84b1fc72faa28773769d8ebacee7baa4c9d0", kill_on_drop: false }`
[INFO] [stdout] 43b6089d4d28b726908bc2264bfe84b1fc72faa28773769d8ebacee7baa4c9d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbe3d6852cf819eaa31fd82354562e9f16d5455d6d7da4f828663f04dd5713a2
[INFO] running `Command { std: "docker" "start" "-a" "cbe3d6852cf819eaa31fd82354562e9f16d5455d6d7da4f828663f04dd5713a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling imageinfo v0.7.27 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `offset` is never read
[INFO] [stdout]   --> src/formats/try_cur_ico.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     offset += entry_total_size;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `offset` is never read
[INFO] [stdout]   --> src/formats/try_cur_ico.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |         offset += bytes;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `offset` is never read
[INFO] [stdout]   --> src/formats/try_cur_ico.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     offset += entry_total_size;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `offset` is never read
[INFO] [stdout]   --> src/formats/try_cur_ico.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |         offset += bytes;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "cbe3d6852cf819eaa31fd82354562e9f16d5455d6d7da4f828663f04dd5713a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbe3d6852cf819eaa31fd82354562e9f16d5455d6d7da4f828663f04dd5713a2", kill_on_drop: false }`
[INFO] [stdout] cbe3d6852cf819eaa31fd82354562e9f16d5455d6d7da4f828663f04dd5713a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 33f1aa85a614dc83eeb326b889138b5abf2e04a8fb1bef02a13902790629fe59
[INFO] running `Command { std: "docker" "start" "-a" "33f1aa85a614dc83eeb326b889138b5abf2e04a8fb1bef02a13902790629fe59", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `offset` is never read
[INFO] [stderr]   --> src/formats/try_cur_ico.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |     offset += entry_total_size;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `offset` is never read
[INFO] [stderr]   --> src/formats/try_cur_ico.rs:71:9
[INFO] [stderr]    |
[INFO] [stderr] 71 |         offset += bytes;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: `imageinfo` (lib) generated 2 warnings
[INFO] [stderr] warning: `imageinfo` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/imageinfo-c7eb6f6a28679dd8)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/imageinfo-73595e0cd622ed1f)
[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] [stderr]    Doc-tests imageinfo
[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" "33f1aa85a614dc83eeb326b889138b5abf2e04a8fb1bef02a13902790629fe59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33f1aa85a614dc83eeb326b889138b5abf2e04a8fb1bef02a13902790629fe59", kill_on_drop: false }`
[INFO] [stdout] 33f1aa85a614dc83eeb326b889138b5abf2e04a8fb1bef02a13902790629fe59