[INFO] fetching crate busybee 0.2.0...
[INFO] checking busybee-0.2.0 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate busybee 0.2.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate busybee 0.2.0 on toolchain 80399064afa4a2cd153f30d02c25f7ea0383ed65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate busybee 0.2.0
[INFO] finished tweaking crates.io crate busybee 0.2.0
[INFO] tweaked toml for crates.io crate busybee 0.2.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate busybee 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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded biometrics v0.3.0
[INFO] [stderr]   Downloaded utilz v0.1.1
[INFO] [stderr]   Downloaded prototk v0.2.2
[INFO] [stderr]   Downloaded one_two_eight v0.2.0
[INFO] [stderr]   Downloaded zerror_core v0.2.2
[INFO] [stderr]   Downloaded crc32c v0.6.3
[INFO] [stderr]   Downloaded prototk_derive v0.3.0
[INFO] [stderr]   Downloaded guacamole v0.2.1
[INFO] [stderr]   Downloaded split_channel v0.2.0
[INFO] [stderr]   Downloaded indicio v0.1.1
[INFO] [stderr]   Downloaded derive_util v0.1.2
[INFO] [stderr]   Downloaded arrrg_derive v0.1.1
[INFO] [stderr]   Downloaded rpc_pb v0.2.0
[INFO] [stderr]   Downloaded arrrg v0.1.4
[INFO] [stderr]   Downloaded tatl v0.2.1
[INFO] [stderr]   Downloaded zerror v0.1.1
[INFO] [stderr]   Downloaded buffertk v0.3.0
[INFO] [stderr]   Downloaded sync42 v0.2.0
[INFO] [stderr]   Downloaded boring v2.1.0
[INFO] [stderr]   Downloaded boring-sys v2.1.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef89477f46ca0db290b801b16830becd1606394d19b830d9dbfb780a4def4619
[INFO] running `Command { std: "docker" "start" "-a" "ef89477f46ca0db290b801b16830becd1606394d19b830d9dbfb780a4def4619", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef89477f46ca0db290b801b16830becd1606394d19b830d9dbfb780a4def4619", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef89477f46ca0db290b801b16830becd1606394d19b830d9dbfb780a4def4619", kill_on_drop: false }`
[INFO] [stdout] ef89477f46ca0db290b801b16830becd1606394d19b830d9dbfb780a4def4619
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0bb882deed3883456327bc79dc1806619c442c2bb745564bf15fb725aa741e2a
[INFO] running `Command { std: "docker" "start" "-a" "0bb882deed3883456327bc79dc1806619c442c2bb745564bf15fb725aa741e2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling clang-sys v1.6.1
[INFO] [stderr]    Compiling buffertk v0.3.0
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling bindgen v0.60.1
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.56/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 semver v1.0.17
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0bb882deed3883456327bc79dc1806619c442c2bb745564bf15fb725aa741e2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bb882deed3883456327bc79dc1806619c442c2bb745564bf15fb725aa741e2a", kill_on_drop: false }`
[INFO] [stdout] 0bb882deed3883456327bc79dc1806619c442c2bb745564bf15fb725aa741e2a
[INFO] checking busybee-0.2.0 against master#09bc67b9158392361780e779d32997f14cc75c39 for opaque-soundness-fix
[INFO] extracting crate busybee 0.2.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate busybee 0.2.0 on toolchain 09bc67b9158392361780e779d32997f14cc75c39
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate busybee 0.2.0
[INFO] finished tweaking crates.io crate busybee 0.2.0
[INFO] tweaked toml for crates.io crate busybee 0.2.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate busybee 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" "+09bc67b9158392361780e779d32997f14cc75c39" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7bf6e4dcb79b1204dc0f8cdd78620d0a03e2fd167835bd1cfb1133d32fcf8e3d
[INFO] running `Command { std: "docker" "start" "-a" "7bf6e4dcb79b1204dc0f8cdd78620d0a03e2fd167835bd1cfb1133d32fcf8e3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7bf6e4dcb79b1204dc0f8cdd78620d0a03e2fd167835bd1cfb1133d32fcf8e3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bf6e4dcb79b1204dc0f8cdd78620d0a03e2fd167835bd1cfb1133d32fcf8e3d", kill_on_drop: false }`
[INFO] [stdout] 7bf6e4dcb79b1204dc0f8cdd78620d0a03e2fd167835bd1cfb1133d32fcf8e3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6a0e2e0178b4da5968d6716be4d1d6455f08a0d6af697f2e8f448dd2196deb0
[INFO] running `Command { std: "docker" "start" "-a" "e6a0e2e0178b4da5968d6716be4d1d6455f08a0d6af697f2e8f448dd2196deb0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling clang-sys v1.6.1
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]    Compiling buffertk v0.3.0
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.56/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 semver v1.0.17
[INFO] [stderr]     Checking zerror v0.1.1
[INFO] [stderr]    Compiling bindgen v0.60.1
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e6a0e2e0178b4da5968d6716be4d1d6455f08a0d6af697f2e8f448dd2196deb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6a0e2e0178b4da5968d6716be4d1d6455f08a0d6af697f2e8f448dd2196deb0", kill_on_drop: false }`
[INFO] [stdout] e6a0e2e0178b4da5968d6716be4d1d6455f08a0d6af697f2e8f448dd2196deb0
