[INFO] fetching crate dynec-codegen 0.2.1...
[INFO] testing dynec-codegen-0.2.1 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate dynec-codegen 0.2.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate dynec-codegen 0.2.1
[INFO] finished tweaking crates.io crate dynec-codegen 0.2.1
[INFO] tweaked toml for crates.io crate dynec-codegen 0.2.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dynec-codegen 0.2.1 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 7 packages to latest compatible versions
[INFO] [stderr]       Adding itertools v0.10.5 (available: v0.14.0)
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] b729bef5fc54c17bc546aade44397999e1627075595df3a39bf0786eadea6da4
[INFO] running `Command { std: "docker" "start" "-a" "b729bef5fc54c17bc546aade44397999e1627075595df3a39bf0786eadea6da4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b729bef5fc54c17bc546aade44397999e1627075595df3a39bf0786eadea6da4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b729bef5fc54c17bc546aade44397999e1627075595df3a39bf0786eadea6da4", kill_on_drop: false }`
[INFO] [stdout] b729bef5fc54c17bc546aade44397999e1627075595df3a39bf0786eadea6da4
[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] fb8d0d720b72cdd292de51a52cc25614c6a261859c55ce82ece882d337766538
[INFO] running `Command { std: "docker" "start" "-a" "fb8d0d720b72cdd292de51a52cc25614c6a261859c55ce82ece882d337766538", kill_on_drop: false }`
[INFO] [stderr]    Compiling matches2 v1.2.1
[INFO] [stderr]    Compiling dynec-codegen v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `extract_if` has been stable since 1.87.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(extract_if)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/util.rs:134:22
[INFO] [stdout]     |
[INFO] [stdout] 134 |         .extract_if(|attr| attr.path().is_ident("dynec"))
[INFO] [stdout]     |                      ^^^^  ---- type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]     |
[INFO] [stdout] 134 |         .extract_if(|attr: /* Type */| attr.path().is_ident("dynec"))
[INFO] [stdout]     |                          ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this method takes 2 arguments but 1 argument was supplied
[INFO] [stdout]    --> src/util.rs:134:10
[INFO] [stdout]     |
[INFO] [stdout] 134 |         .extract_if(|attr| attr.path().is_ident("dynec"))
[INFO] [stdout]     |          ^^^^^^^^^^-------------------------------------- argument #2 is missing
[INFO] [stdout]     |
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/alloc/src/vec/mod.rs:3757:12
[INFO] [stdout] help: provide the argument
[INFO] [stdout]     |
[INFO] [stdout] 134 |         .extract_if(|attr| attr.path().is_ident("dynec"), /* filter */)
[INFO] [stdout]     |                                                         ++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/system/arg.rs:151:41
[INFO] [stdout]     |
[INFO] [stdout] 151 |     for attr in param.attrs.extract_if(|attr| attr.path().is_ident("dynec")) {
[INFO] [stdout]     |                                         ^^^^  ---- type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]     |
[INFO] [stdout] 151 |     for attr in param.attrs.extract_if(|attr: /* Type */| attr.path().is_ident("dynec")) {
[INFO] [stdout]     |                                             ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this method takes 2 arguments but 1 argument was supplied
[INFO] [stdout]    --> src/system/arg.rs:151:29
[INFO] [stdout]     |
[INFO] [stdout] 151 |     for attr in param.attrs.extract_if(|attr| attr.path().is_ident("dynec")) {
[INFO] [stdout]     |                             ^^^^^^^^^^-------------------------------------- argument #2 is missing
[INFO] [stdout]     |
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/alloc/src/vec/mod.rs:3757:12
[INFO] [stdout] help: provide the argument
[INFO] [stdout]     |
[INFO] [stdout] 151 |     for attr in param.attrs.extract_if(|attr| attr.path().is_ident("dynec"), /* filter */) {
[INFO] [stdout]     |                                                                            ++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0282.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dynec-codegen` (lib) due to 4 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "fb8d0d720b72cdd292de51a52cc25614c6a261859c55ce82ece882d337766538", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb8d0d720b72cdd292de51a52cc25614c6a261859c55ce82ece882d337766538", kill_on_drop: false }`
[INFO] [stdout] fb8d0d720b72cdd292de51a52cc25614c6a261859c55ce82ece882d337766538