[INFO] fetching crate metadata 0.1.8...
[INFO] checking metadata-0.1.8 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate metadata 0.1.8 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate metadata 0.1.8 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate metadata 0.1.8
[INFO] finished tweaking crates.io crate metadata 0.1.8
[INFO] tweaked toml for crates.io crate metadata 0.1.8 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate metadata 0.1.8 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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ffmpeg-next v6.0.0
[INFO] [stderr]   Downloaded ffmpeg-sys-next v6.0.1
[INFO] [stderr]   Downloaded handlebars v3.5.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f388744ecfc1ca4812a0c8a9711ac1853c7196088d3dc507bf9c9d6f37db191
[INFO] running `Command { std: "docker" "start" "-a" "4f388744ecfc1ca4812a0c8a9711ac1853c7196088d3dc507bf9c9d6f37db191", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f388744ecfc1ca4812a0c8a9711ac1853c7196088d3dc507bf9c9d6f37db191", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f388744ecfc1ca4812a0c8a9711ac1853c7196088d3dc507bf9c9d6f37db191", kill_on_drop: false }`
[INFO] [stdout] 4f388744ecfc1ca4812a0c8a9711ac1853c7196088d3dc507bf9c9d6f37db191
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c168c91d9299397b95d4588252b0047e8292fc117334d0f19c0c98fcdb94a856
[INFO] running `Command { std: "docker" "start" "-a" "c168c91d9299397b95d4588252b0047e8292fc117334d0f19c0c98fcdb94a856", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling bindgen v0.64.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling libloading v0.7.3
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling ffmpeg-next v6.0.0
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]    Compiling clang-sys v1.3.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.56/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]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]     Checking cpufeatures v0.2.2
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking aho-corasick v0.7.18
[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" "c168c91d9299397b95d4588252b0047e8292fc117334d0f19c0c98fcdb94a856", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c168c91d9299397b95d4588252b0047e8292fc117334d0f19c0c98fcdb94a856", kill_on_drop: false }`
[INFO] [stdout] c168c91d9299397b95d4588252b0047e8292fc117334d0f19c0c98fcdb94a856
[INFO] checking metadata-0.1.8 against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] extracting crate metadata 0.1.8 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate metadata 0.1.8 on toolchain 72eda894eb3548c7ba774079ce0afab42958d4ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate metadata 0.1.8
[INFO] finished tweaking crates.io crate metadata 0.1.8
[INFO] tweaked toml for crates.io crate metadata 0.1.8 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate metadata 0.1.8 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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9cbf6a227b895abf0a0ed11d6434aea6525ed2be2c199f602e2f94615c0a1a0
[INFO] running `Command { std: "docker" "start" "-a" "c9cbf6a227b895abf0a0ed11d6434aea6525ed2be2c199f602e2f94615c0a1a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9cbf6a227b895abf0a0ed11d6434aea6525ed2be2c199f602e2f94615c0a1a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9cbf6a227b895abf0a0ed11d6434aea6525ed2be2c199f602e2f94615c0a1a0", kill_on_drop: false }`
[INFO] [stdout] c9cbf6a227b895abf0a0ed11d6434aea6525ed2be2c199f602e2f94615c0a1a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce3a6f8699bf824f37b06c31185a9ef89649f2885c0dcbf4ef61f6adf70fc52d
[INFO] running `Command { std: "docker" "start" "-a" "ce3a6f8699bf824f37b06c31185a9ef89649f2885c0dcbf4ef61f6adf70fc52d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling bindgen v0.64.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling libloading v0.7.3
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling ffmpeg-next v6.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]    Compiling clang-sys v1.3.1
[INFO] [stderr]     Checking ryu v1.0.9
[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]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]     Checking cpufeatures v0.2.2
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[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" "ce3a6f8699bf824f37b06c31185a9ef89649f2885c0dcbf4ef61f6adf70fc52d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce3a6f8699bf824f37b06c31185a9ef89649f2885c0dcbf4ef61f6adf70fc52d", kill_on_drop: false }`
[INFO] [stdout] ce3a6f8699bf824f37b06c31185a9ef89649f2885c0dcbf4ef61f6adf70fc52d
