[INFO] fetching crate lrn 0.2.0... [INFO] testing lrn-0.2.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_getrandom_patch_0 [INFO] extracting crate lrn 0.2.0 into /workspace/builds/worker-1-tc1/source [INFO] started tweaking crates.io crate lrn 0.2.0 [INFO] finished tweaking crates.io crate lrn 0.2.0 [INFO] tweaked toml for crates.io crate lrn 0.2.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate lrn 0.2.0 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] crate crates.io crate lrn 0.2.0 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] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded openssl-macros v0.1.0 [INFO] [stderr] Downloaded url v2.3.1 [INFO] [stderr] Downloaded quoted_printable v0.4.5 [INFO] [stderr] Downloaded ipconfig v0.3.0 [INFO] [stderr] Downloaded os_str_bytes v6.3.1 [INFO] [stderr] Downloaded clap_derive v4.0.18 [INFO] [stderr] Downloaded schannel v0.1.20 [INFO] [stderr] Downloaded cc v1.0.76 [INFO] [stderr] Downloaded openssl-sys v0.9.77 [INFO] [stderr] Downloaded security-framework v2.7.0 [INFO] [stderr] Downloaded lettre v0.10.1 [INFO] [stderr] Downloaded ipnet v2.5.1 [INFO] [stderr] Downloaded widestring v0.5.1 [INFO] [stderr] Downloaded async-trait v0.1.58 [INFO] [stderr] Downloaded clap v4.0.19 [INFO] [stderr] Downloaded futures-io v0.3.25 [INFO] [stderr] Downloaded syn v1.0.103 [INFO] [stderr] Downloaded openssl v0.10.42 [INFO] [stderr] Downloaded tracing-attributes v0.1.23 [INFO] [stderr] Downloaded idna v0.3.0 [INFO] [stderr] Downloaded trust-dns-proto v0.22.0 [INFO] [stderr] Downloaded trust-dns-resolver v0.22.0 [INFO] [stderr] Downloaded email-encoding v0.1.3 [INFO] [stderr] Downloaded email_address v0.2.4 [INFO] [stderr] Downloaded pkg-config v0.3.26 [INFO] [stderr] Downloaded security-framework-sys v2.6.1 [INFO] [stderr] Downloaded parking_lot_core v0.9.4 [INFO] [stderr] Downloaded resolv-conf v0.7.0 [INFO] [stderr] Downloaded data-encoding v2.3.2 [INFO] [stderr] Downloaded enum-as-inner v0.5.1 [INFO] [stderr] Downloaded thiserror-impl v1.0.37 [INFO] [stderr] Downloaded thiserror v1.0.37 [INFO] [stderr] Downloaded ulid v1.0.0 [INFO] [stderr] Downloaded tokio v1.21.2 [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 07e8b90239c91b2bde1bc185c69aca34453e9d56e43b4577ba0bf68424a8b7c4 [INFO] running `Command { std: "docker" "start" "-a" "07e8b90239c91b2bde1bc185c69aca34453e9d56e43b4577ba0bf68424a8b7c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "07e8b90239c91b2bde1bc185c69aca34453e9d56e43b4577ba0bf68424a8b7c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "07e8b90239c91b2bde1bc185c69aca34453e9d56e43b4577ba0bf68424a8b7c4", kill_on_drop: false }` [INFO] [stdout] 07e8b90239c91b2bde1bc185c69aca34453e9d56e43b4577ba0bf68424a8b7c4 [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 27a38c929d812a7543ec54827210dd7b510395a619f309da1a18d71843512202 [INFO] running `Command { std: "docker" "start" "-a" "27a38c929d812a7543ec54827210dd7b510395a619f309da1a18d71843512202", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.137 [INFO] [stderr] Compiling proc-macro2 v1.0.47 [INFO] [stderr] Compiling unicode-ident v1.0.5 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling syn v1.0.103 [INFO] [stderr] Compiling pkg-config v0.3.26 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling once_cell v1.16.0 [INFO] [stderr] Compiling tinyvec_macros v0.1.0 [INFO] [stderr] Compiling cc v1.0.76 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling futures-core v0.3.25 [INFO] [stderr] Compiling unicode-bidi v0.3.8 [INFO] [stderr] Compiling slab v0.4.7 [INFO] [stderr] Compiling pin-project-lite v0.2.9 [INFO] [stderr] Compiling tinyvec v1.6.0 [INFO] [stderr] Compiling futures-task v0.3.25 [INFO] [stderr] Compiling ppv-lite86 v0.2.17 [INFO] [stderr] Compiling futures-util v0.3.25 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Compiling tokio v1.21.2 [INFO] [stderr] Compiling lock_api v0.4.9 [INFO] [stderr] Compiling async-trait v0.1.58 [INFO] [stderr] Compiling matches v0.1.9 [INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/src/lib.rs:92:30 [INFO] [stdout] | [INFO] [stdout] 92 | feature(proc_macro_span, proc_macro_span_shrink) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling smallvec v1.10.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling openssl v0.10.42 [INFO] [stderr] Compiling futures-channel v0.3.25 [INFO] [stderr] Compiling foreign-types-shared v0.1.1 [INFO] [stderr] Compiling thiserror v1.0.37 [INFO] [stdout] For more information about this error, try `rustc --explain E0635`. [INFO] [stdout] [INFO] [stderr] Compiling parking_lot_core v0.9.4 [INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "27a38c929d812a7543ec54827210dd7b510395a619f309da1a18d71843512202", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "27a38c929d812a7543ec54827210dd7b510395a619f309da1a18d71843512202", kill_on_drop: false }` [INFO] [stdout] 27a38c929d812a7543ec54827210dd7b510395a619f309da1a18d71843512202