[INFO] fetching crate clearscreen 2.0.1...
[INFO] checking clearscreen-2.0.1 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-2
[INFO] extracting crate clearscreen 2.0.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate clearscreen 2.0.1 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate clearscreen 2.0.1
[INFO] finished tweaking crates.io crate clearscreen 2.0.1
[INFO] tweaked toml for crates.io crate clearscreen 2.0.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate clearscreen 2.0.1 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded terminfo v0.8.0
[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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ed3133cdce5ef8ea6a0d03df7213ecd2ba17ef539a6151c6f5ca3c44b4092b5
[INFO] running `Command { std: "docker" "start" "-a" "8ed3133cdce5ef8ea6a0d03df7213ecd2ba17ef539a6151c6f5ca3c44b4092b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ed3133cdce5ef8ea6a0d03df7213ecd2ba17ef539a6151c6f5ca3c44b4092b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ed3133cdce5ef8ea6a0d03df7213ecd2ba17ef539a6151c6f5ca3c44b4092b5", kill_on_drop: false }`
[INFO] [stdout] 8ed3133cdce5ef8ea6a0d03df7213ecd2ba17ef539a6151c6f5ca3c44b4092b5
[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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc2d8a1cb830b354700e28512bfb5b829c35d3136fa8870e33af7bdfe8231569
[INFO] running `Command { std: "docker" "start" "-a" "cc2d8a1cb830b354700e28512bfb5b829c35d3136fa8870e33af7bdfe8231569", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling siphasher v0.3.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling phf_shared v0.11.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]     Checking phf v0.11.1
[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] [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" "cc2d8a1cb830b354700e28512bfb5b829c35d3136fa8870e33af7bdfe8231569", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc2d8a1cb830b354700e28512bfb5b829c35d3136fa8870e33af7bdfe8231569", kill_on_drop: false }`
[INFO] [stdout] cc2d8a1cb830b354700e28512bfb5b829c35d3136fa8870e33af7bdfe8231569
[INFO] checking clearscreen-2.0.1 against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-2
[INFO] extracting crate clearscreen 2.0.1 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate clearscreen 2.0.1 on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate clearscreen 2.0.1
[INFO] finished tweaking crates.io crate clearscreen 2.0.1
[INFO] tweaked toml for crates.io crate clearscreen 2.0.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate clearscreen 2.0.1 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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9949fdb629a5f89946c3233168a72ab074815a5cdd804e3434368b43ed4c4737
[INFO] running `Command { std: "docker" "start" "-a" "9949fdb629a5f89946c3233168a72ab074815a5cdd804e3434368b43ed4c4737", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9949fdb629a5f89946c3233168a72ab074815a5cdd804e3434368b43ed4c4737", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9949fdb629a5f89946c3233168a72ab074815a5cdd804e3434368b43ed4c4737", kill_on_drop: false }`
[INFO] [stdout] 9949fdb629a5f89946c3233168a72ab074815a5cdd804e3434368b43ed4c4737
[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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4a1202d48a30e59a568d8c521129795be298f70f67a61399b8e332c2d8ca54f
[INFO] running `Command { std: "docker" "start" "-a" "c4a1202d48a30e59a568d8c521129795be298f70f67a61399b8e332c2d8ca54f", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling siphasher v0.3.7
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling phf_shared v0.11.1
[INFO] [stderr]     Checking phf v0.11.1
[INFO] [stderr]    Compiling phf_generator v0.11.1
[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 phf_codegen v0.11.1
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling terminfo v0.8.0
[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] [stderr] error: failed to migrate to next edition
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `cargo fix --edition --allow-no-vcs --allow-dirty --frozen --all --all-targets --message-format=json` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "c4a1202d48a30e59a568d8c521129795be298f70f67a61399b8e332c2d8ca54f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4a1202d48a30e59a568d8c521129795be298f70f67a61399b8e332c2d8ca54f", kill_on_drop: false }`
[INFO] [stdout] c4a1202d48a30e59a568d8c521129795be298f70f67a61399b8e332c2d8ca54f