[INFO] fetching crate eraserhead 1.0.0...
[INFO] testing eraserhead-1.0.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate eraserhead 1.0.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate eraserhead 1.0.0
[INFO] finished tweaking crates.io crate eraserhead 1.0.0
[INFO] tweaked toml for crates.io crate eraserhead 1.0.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate eraserhead 1.0.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded eraserhead-derive v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c4669f9b703dbee65d57c82a7e22389959b94c7ea446f2cf547ad70eed6e6ee
[INFO] running `Command { std: "docker" "start" "-a" "6c4669f9b703dbee65d57c82a7e22389959b94c7ea446f2cf547ad70eed6e6ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c4669f9b703dbee65d57c82a7e22389959b94c7ea446f2cf547ad70eed6e6ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c4669f9b703dbee65d57c82a7e22389959b94c7ea446f2cf547ad70eed6e6ee", kill_on_drop: false }`
[INFO] [stdout] 6c4669f9b703dbee65d57c82a7e22389959b94c7ea446f2cf547ad70eed6e6ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 23f75a66e7b15f2a668f14495b5f4143bbb171c3c51c8f779b187d7503fea06b
[INFO] running `Command { std: "docker" "start" "-a" "23f75a66e7b15f2a668f14495b5f4143bbb171c3c51c8f779b187d7503fea06b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling eraserhead-derive v1.0.0
[INFO] [stderr]    Compiling eraserhead v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.30s
[INFO] running `Command { std: "docker" "inspect" "23f75a66e7b15f2a668f14495b5f4143bbb171c3c51c8f779b187d7503fea06b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23f75a66e7b15f2a668f14495b5f4143bbb171c3c51c8f779b187d7503fea06b", kill_on_drop: false }`
[INFO] [stdout] 23f75a66e7b15f2a668f14495b5f4143bbb171c3c51c8f779b187d7503fea06b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 3ef6d7fced8ffcbdc6cfad4bc3ea48e6d8a5f4ee16ccc3d8cb114012a1db306d
[INFO] running `Command { std: "docker" "start" "-a" "3ef6d7fced8ffcbdc6cfad4bc3ea48e6d8a5f4ee16ccc3d8cb114012a1db306d", kill_on_drop: false }`
[INFO] [stderr]    Compiling eraserhead v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> tests/test.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Simple(i32);
[INFO] [stdout]   |            ------ ^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> tests/test.rs:7:26
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct SingleRef<'a>(&'a i32);
[INFO] [stdout]   |            ---------     ^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> tests/test.rs:10:32
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct MultipleRef<'a, 'b>(&'a i32, &'b [f64]);
[INFO] [stdout]    |            -----------         ^^^^^^^  ^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "3ef6d7fced8ffcbdc6cfad4bc3ea48e6d8a5f4ee16ccc3d8cb114012a1db306d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ef6d7fced8ffcbdc6cfad4bc3ea48e6d8a5f4ee16ccc3d8cb114012a1db306d", kill_on_drop: false }`
[INFO] [stdout] 3ef6d7fced8ffcbdc6cfad4bc3ea48e6d8a5f4ee16ccc3d8cb114012a1db306d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] f34db02f332857f60f3ba06b0e7b2d917997b375aa1d43b8d6b87109e916023a
[INFO] running `Command { std: "docker" "start" "-a" "f34db02f332857f60f3ba06b0e7b2d917997b375aa1d43b8d6b87109e916023a", kill_on_drop: false }`
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> tests/test.rs:4:19
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Simple(i32);
[INFO] [stderr]   |            ------ ^^^
[INFO] [stderr]   |            |
[INFO] [stderr]   |            field in this struct
[INFO] [stderr]   |
[INFO] [stderr]   = help: consider removing this field
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> tests/test.rs:7:26
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct SingleRef<'a>(&'a i32);
[INFO] [stderr]   |            ---------     ^^^^^^^
[INFO] [stderr]   |            |
[INFO] [stderr]   |            field in this struct
[INFO] [stderr]   |
[INFO] [stderr]   = help: consider removing this field
[INFO] [stderr] 
[INFO] [stderr] warning: fields `0` and `1` are never read
[INFO] [stderr]   --> tests/test.rs:10:32
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct MultipleRef<'a, 'b>(&'a i32, &'b [f64]);
[INFO] [stderr]    |            -----------         ^^^^^^^  ^^^^^^^^^
[INFO] [stderr]    |            |
[INFO] [stderr]    |            fields in this struct
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing these fields
[INFO] [stderr] 
[INFO] [stderr] warning: `eraserhead` (test "test") generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/eraserhead-52c3bb3b3a75e7ee)
[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 tests/test.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/test-0652b0242b8fb1ea)
[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" "f34db02f332857f60f3ba06b0e7b2d917997b375aa1d43b8d6b87109e916023a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f34db02f332857f60f3ba06b0e7b2d917997b375aa1d43b8d6b87109e916023a", kill_on_drop: false }`
[INFO] [stdout] f34db02f332857f60f3ba06b0e7b2d917997b375aa1d43b8d6b87109e916023a