[INFO] fetching crate diskotech 0.0.5...
[INFO] checking diskotech-0.0.5 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate diskotech 0.0.5 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate diskotech 0.0.5 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] removed /workspace/builds/worker-2-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate diskotech 0.0.5
[INFO] finished tweaking crates.io crate diskotech 0.0.5
[INFO] tweaked toml for crates.io crate diskotech 0.0.5 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate diskotech 0.0.5 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 prettytable-rs v0.10.0
[INFO] [stderr]   Downloaded jacklog v0.1.0
[INFO] [stderr]   Downloaded encode_unicode v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 8ff3a31a12b0b21da29ba1d276c56cc2e0d7ccd092957137fde63241f7ae2797
[INFO] running `Command { std: "docker" "start" "-a" "8ff3a31a12b0b21da29ba1d276c56cc2e0d7ccd092957137fde63241f7ae2797", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ff3a31a12b0b21da29ba1d276c56cc2e0d7ccd092957137fde63241f7ae2797", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ff3a31a12b0b21da29ba1d276c56cc2e0d7ccd092957137fde63241f7ae2797", kill_on_drop: false }`
[INFO] [stdout] 8ff3a31a12b0b21da29ba1d276c56cc2e0d7ccd092957137fde63241f7ae2797
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 291e2cb1387da3589d5ba8566d509f67ea59572219edf520dcf11a54c21fa6bc
[INFO] running `Command { std: "docker" "start" "-a" "291e2cb1387da3589d5ba8566d509f67ea59572219edf520dcf11a54c21fa6bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling io-lifetimes v1.0.3
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling rustix v0.36.6
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling serde_json v1.0.91
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking gimli v0.27.0
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]     Checking ryu v1.0.12
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking os_str_bytes v6.4.1
[INFO] [stderr]    Compiling anyhow v1.0.68
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.49/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]     Checking tracing v0.1.37
[INFO] [stderr]     Checking encode_unicode v1.0.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking clap_lex v0.3.0
[INFO] [stderr]     Checking object v0.30.1
[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" "291e2cb1387da3589d5ba8566d509f67ea59572219edf520dcf11a54c21fa6bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "291e2cb1387da3589d5ba8566d509f67ea59572219edf520dcf11a54c21fa6bc", kill_on_drop: false }`
[INFO] [stdout] 291e2cb1387da3589d5ba8566d509f67ea59572219edf520dcf11a54c21fa6bc
[INFO] checking diskotech-0.0.5 against master#09bc67b9158392361780e779d32997f14cc75c39 for opaque-soundness-fix
[INFO] extracting crate diskotech 0.0.5 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate diskotech 0.0.5 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] removed /workspace/builds/worker-2-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate diskotech 0.0.5
[INFO] finished tweaking crates.io crate diskotech 0.0.5
[INFO] tweaked toml for crates.io crate diskotech 0.0.5 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate diskotech 0.0.5 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] b5a7e414d1b714d2eb0e5a0cf1fbdd3642334b0d7be222f812bf49c7e8ab445d
[INFO] running `Command { std: "docker" "start" "-a" "b5a7e414d1b714d2eb0e5a0cf1fbdd3642334b0d7be222f812bf49c7e8ab445d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5a7e414d1b714d2eb0e5a0cf1fbdd3642334b0d7be222f812bf49c7e8ab445d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5a7e414d1b714d2eb0e5a0cf1fbdd3642334b0d7be222f812bf49c7e8ab445d", kill_on_drop: false }`
[INFO] [stdout] b5a7e414d1b714d2eb0e5a0cf1fbdd3642334b0d7be222f812bf49c7e8ab445d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 6f78d55c3350e4b65eb208f2dd171ba47e5890919099daf9610d93f2f353a482
[INFO] running `Command { std: "docker" "start" "-a" "6f78d55c3350e4b65eb208f2dd171ba47e5890919099daf9610d93f2f353a482", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling io-lifetimes v1.0.3
[INFO] [stderr]    Compiling rustix v0.36.6
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]    Compiling serde_json v1.0.91
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking ryu v1.0.12
[INFO] [stderr]     Checking gimli v0.27.0
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking os_str_bytes v6.4.1
[INFO] [stderr]    Compiling anyhow v1.0.68
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking encode_unicode v1.0.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.49/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]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking clap_lex v0.3.0
[INFO] [stderr]     Checking object v0.30.1
[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" "6f78d55c3350e4b65eb208f2dd171ba47e5890919099daf9610d93f2f353a482", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f78d55c3350e4b65eb208f2dd171ba47e5890919099daf9610d93f2f353a482", kill_on_drop: false }`
[INFO] [stdout] 6f78d55c3350e4b65eb208f2dd171ba47e5890919099daf9610d93f2f353a482
