[INFO] fetching crate constrainer 0.0.2...
[INFO] testing constrainer-0.0.2 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_getrandom_patch_0
[INFO] extracting crate constrainer 0.0.2 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate constrainer 0.0.2
[INFO] finished tweaking crates.io crate constrainer 0.0.2
[INFO] tweaked toml for crates.io crate constrainer 0.0.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate constrainer 0.0.2 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] crate crates.io crate constrainer 0.0.2 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 5468a6f0d5b3f137f9865bc7cc310f7db9f0746ff1e6a23e29d5c3b74ab7b3f9
[INFO] running `Command { std: "docker" "start" "-a" "5468a6f0d5b3f137f9865bc7cc310f7db9f0746ff1e6a23e29d5c3b74ab7b3f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5468a6f0d5b3f137f9865bc7cc310f7db9f0746ff1e6a23e29d5c3b74ab7b3f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5468a6f0d5b3f137f9865bc7cc310f7db9f0746ff1e6a23e29d5c3b74ab7b3f9", kill_on_drop: false }`
[INFO] [stdout] 5468a6f0d5b3f137f9865bc7cc310f7db9f0746ff1e6a23e29d5c3b74ab7b3f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 73b2b0e9f17c70ebdcae7e79709e05f0f35b4594a90b40186d6b8cea378f4bc8
[INFO] running `Command { std: "docker" "start" "-a" "73b2b0e9f17c70ebdcae7e79709e05f0f35b4594a90b40186d6b8cea378f4bc8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling constrainer v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `block` is never read
[INFO] [stdout]    --> src/lib.rs:492:5
[INFO] [stdout]     |
[INFO] [stdout] 489 | struct Constrained {
[INFO] [stdout]     |        ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 492 |     block: TokenStream,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Constrained` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `block` is never read
[INFO] [stdout]    --> src/lib.rs:506:5
[INFO] [stdout]     |
[INFO] [stdout] 504 | struct Listener {
[INFO] [stdout]     |        -------- field in this struct
[INFO] [stdout] 505 |     params: Vec<Ident>,
[INFO] [stdout] 506 |     block: TokenStream,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Listener` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.70s
[INFO] running `Command { std: "docker" "inspect" "73b2b0e9f17c70ebdcae7e79709e05f0f35b4594a90b40186d6b8cea378f4bc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73b2b0e9f17c70ebdcae7e79709e05f0f35b4594a90b40186d6b8cea378f4bc8", kill_on_drop: false }`
[INFO] [stdout] 73b2b0e9f17c70ebdcae7e79709e05f0f35b4594a90b40186d6b8cea378f4bc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] d4907265f9b4030e3373eaa0af70fc9b71b5b622c6cc552a52595d98bdb1b82e
[INFO] running `Command { std: "docker" "start" "-a" "d4907265f9b4030e3373eaa0af70fc9b71b5b622c6cc552a52595d98bdb1b82e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling constrainer v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `block` is never read
[INFO] [stdout]    --> src/lib.rs:492:5
[INFO] [stdout]     |
[INFO] [stdout] 489 | struct Constrained {
[INFO] [stdout]     |        ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 492 |     block: TokenStream,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Constrained` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `block` is never read
[INFO] [stdout]    --> src/lib.rs:506:5
[INFO] [stdout]     |
[INFO] [stdout] 504 | struct Listener {
[INFO] [stdout]     |        -------- field in this struct
[INFO] [stdout] 505 |     params: Vec<Ident>,
[INFO] [stdout] 506 |     block: TokenStream,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Listener` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `block` is never read
[INFO] [stdout]    --> src/lib.rs:492:5
[INFO] [stdout]     |
[INFO] [stdout] 489 | struct Constrained {
[INFO] [stdout]     |        ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 492 |     block: TokenStream,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Constrained` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `block` is never read
[INFO] [stdout]    --> src/lib.rs:506:5
[INFO] [stdout]     |
[INFO] [stdout] 504 | struct Listener {
[INFO] [stdout]     |        -------- field in this struct
[INFO] [stdout] 505 |     params: Vec<Ident>,
[INFO] [stdout] 506 |     block: TokenStream,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Listener` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stdout] warning: field `x` is never read
[INFO] [stdout]  --> examples/readme.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 7 | create_constrainer!(MyConstrainer {
[INFO] [stdout]   |                     ------------- field in this struct
[INFO] [stdout] 8 |     dynamic x f32
[INFO] [stdout]   |             ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `MyConstrainer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.04s
[INFO] running `Command { std: "docker" "inspect" "d4907265f9b4030e3373eaa0af70fc9b71b5b622c6cc552a52595d98bdb1b82e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4907265f9b4030e3373eaa0af70fc9b71b5b622c6cc552a52595d98bdb1b82e", kill_on_drop: false }`
[INFO] [stdout] d4907265f9b4030e3373eaa0af70fc9b71b5b622c6cc552a52595d98bdb1b82e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c649d49e9edcb6c14439c9620dcb867a3c835f89d70bddb75d8a131b4dc95a8b
[INFO] running `Command { std: "docker" "start" "-a" "c649d49e9edcb6c14439c9620dcb867a3c835f89d70bddb75d8a131b4dc95a8b", kill_on_drop: false }`
[INFO] [stderr] warning: field `block` is never read
[INFO] [stderr]    --> src/lib.rs:492:5
[INFO] [stderr]     |
[INFO] [stderr] 489 | struct Constrained {
[INFO] [stderr]     |        ----------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 492 |     block: TokenStream,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Constrained` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `block` is never read
[INFO] [stderr]    --> src/lib.rs:506:5
[INFO] [stderr]     |
[INFO] [stderr] 504 | struct Listener {
[INFO] [stderr]     |        -------- field in this struct
[INFO] [stderr] 505 |     params: Vec<Ident>,
[INFO] [stderr] 506 |     block: TokenStream,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Listener` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `constrainer` (lib) generated 2 warnings
[INFO] [stderr] warning: `constrainer` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr] warning: field `x` is never read
[INFO] [stderr]  --> examples/readme.rs:8:13
[INFO] [stderr]   |
[INFO] [stderr] 7 | create_constrainer!(MyConstrainer {
[INFO] [stderr]   |                     ------------- field in this struct
[INFO] [stderr] 8 |     dynamic x f32
[INFO] [stderr]   |             ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `MyConstrainer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `constrainer` (example "readme") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/constrainer-66b5c7c2b8f651ba)
[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 constrainer
[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" "c649d49e9edcb6c14439c9620dcb867a3c835f89d70bddb75d8a131b4dc95a8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c649d49e9edcb6c14439c9620dcb867a3c835f89d70bddb75d8a131b4dc95a8b", kill_on_drop: false }`
[INFO] [stdout] c649d49e9edcb6c14439c9620dcb867a3c835f89d70bddb75d8a131b4dc95a8b