[INFO] fetching crate ergo-rustkit 0.5.0...
[INFO] checking ergo-rustkit-0.5.0 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate ergo-rustkit 0.5.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate ergo-rustkit 0.5.0 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ergo-rustkit 0.5.0
[INFO] finished tweaking crates.io crate ergo-rustkit 0.5.0
[INFO] tweaked toml for crates.io crate ergo-rustkit 0.5.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate ergo-rustkit 0.5.0 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" "+b0696a5160711c068cb1f01b7437db7990d15750" "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 bounded-vec v0.7.1
[INFO] [stderr]   Downloaded sigma-util v0.8.0
[INFO] [stderr]   Downloaded ergo-merkle-tree v0.7.0
[INFO] [stderr]   Downloaded elliptic-curve v0.11.12
[INFO] [stderr]   Downloaded ergoscript-compiler v0.16.0
[INFO] [stderr]   Downloaded ergo-rustkit-endpoints v0.1.4
[INFO] [stderr]   Downloaded rfc6979 v0.1.0
[INFO] [stderr]   Downloaded line-col v0.2.1
[INFO] [stderr]   Downloaded logos v0.12.1
[INFO] [stderr]   Downloaded ergo-nipopow v0.7.0
[INFO] [stderr]   Downloaded debug-cell v0.1.1
[INFO] [stderr]   Downloaded countme v2.0.4
[INFO] [stderr]   Downloaded beef v0.5.2
[INFO] [stderr]   Downloaded ecdsa v0.13.4
[INFO] [stderr]   Downloaded gf2_192 v0.20.0
[INFO] [stderr]   Downloaded rowan v0.12.6
[INFO] [stderr]   Downloaded semver v1.0.14
[INFO] [stderr]   Downloaded ergo-lib v0.20.0
[INFO] [stderr]   Downloaded ergotree-ir v0.20.0
[INFO] [stderr]   Downloaded h2 v0.3.14
[INFO] [stderr]   Downloaded bitvec v0.22.3
[INFO] [stderr]   Downloaded hyper v0.14.20
[INFO] [stderr]   Downloaded k256 v0.10.4
[INFO] [stderr]   Downloaded ergotree-interpreter v0.20.0
[INFO] [stderr]   Downloaded scorex_crypto_avltree v0.1.0
[INFO] [stderr]   Downloaded password-hash v0.2.3
[INFO] [stderr]   Downloaded sigma-ser v0.9.0
[INFO] [stderr]   Downloaded num-complex v0.4.2
[INFO] [stderr]   Downloaded num256 v0.3.5
[INFO] [stderr]   Downloaded text-size v1.1.0
[INFO] [stderr]   Downloaded logos-derive v0.12.1
[INFO] [stderr]   Downloaded ergo-chain-types v0.7.0
[INFO] [stderr]   Downloaded signature v1.4.0
[INFO] [stderr]   Downloaded ff v0.11.1
[INFO] [stderr]   Downloaded group v0.11.0
[INFO] [stderr]   Downloaded funty v1.2.0
[INFO] [stderr]   Downloaded wyz v0.4.0
[INFO] [stderr]   Downloaded sec1 v0.2.1
[INFO] [stderr]   Downloaded bounded-integer v0.5.3
[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" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e716e7b7a3a02bd7756adb2c890408e1db85706a5bdd799c77076e1961bd677c
[INFO] running `Command { std: "docker" "start" "-a" "e716e7b7a3a02bd7756adb2c890408e1db85706a5bdd799c77076e1961bd677c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e716e7b7a3a02bd7756adb2c890408e1db85706a5bdd799c77076e1961bd677c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e716e7b7a3a02bd7756adb2c890408e1db85706a5bdd799c77076e1961bd677c", kill_on_drop: false }`
[INFO] [stdout] e716e7b7a3a02bd7756adb2c890408e1db85706a5bdd799c77076e1961bd677c
[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" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34edfeebc677f306dc3fe752caab437950a7a25416a62789c70de566c206c3fc
[INFO] running `Command { std: "docker" "start" "-a" "34edfeebc677f306dc3fe752caab437950a7a25416a62789c70de566c206c3fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.47/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 cc v1.0.73
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking itoa v1.0.4
[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" "34edfeebc677f306dc3fe752caab437950a7a25416a62789c70de566c206c3fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34edfeebc677f306dc3fe752caab437950a7a25416a62789c70de566c206c3fc", kill_on_drop: false }`
[INFO] [stdout] 34edfeebc677f306dc3fe752caab437950a7a25416a62789c70de566c206c3fc
[INFO] checking ergo-rustkit-0.5.0 against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[INFO] extracting crate ergo-rustkit 0.5.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate ergo-rustkit 0.5.0 on toolchain bfe97fcae016881ad333f0ff8cea2cadb9cf136c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ergo-rustkit 0.5.0
[INFO] finished tweaking crates.io crate ergo-rustkit 0.5.0
[INFO] tweaked toml for crates.io crate ergo-rustkit 0.5.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate ergo-rustkit 0.5.0 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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e2b583241e7db3b8cbce9203d6b16e25c7a2affe23c2eed13fc99778dccdae6
[INFO] running `Command { std: "docker" "start" "-a" "2e2b583241e7db3b8cbce9203d6b16e25c7a2affe23c2eed13fc99778dccdae6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e2b583241e7db3b8cbce9203d6b16e25c7a2affe23c2eed13fc99778dccdae6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e2b583241e7db3b8cbce9203d6b16e25c7a2affe23c2eed13fc99778dccdae6", kill_on_drop: false }`
[INFO] [stdout] 2e2b583241e7db3b8cbce9203d6b16e25c7a2affe23c2eed13fc99778dccdae6
[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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 505a010e7682771e8f7d4ec0f226909e1db34e11e8ac21e8d5ab19ef68a3e06f
[INFO] running `Command { std: "docker" "start" "-a" "505a010e7682771e8f7d4ec0f226909e1db34e11e8ac21e8d5ab19ef68a3e06f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.47/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 num-traits v0.2.15
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]     Checking base64ct v1.5.3
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking const-oid v0.7.1
[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" "505a010e7682771e8f7d4ec0f226909e1db34e11e8ac21e8d5ab19ef68a3e06f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "505a010e7682771e8f7d4ec0f226909e1db34e11e8ac21e8d5ab19ef68a3e06f", kill_on_drop: false }`
[INFO] [stdout] 505a010e7682771e8f7d4ec0f226909e1db34e11e8ac21e8d5ab19ef68a3e06f
