[INFO] fetching crate sierra-proc 0.6.0...
[INFO] checking sierra-proc-0.6.0 against master#c3def263a44e07e09ae6d57abfc8650227fb4972 for pr-118920-1
[INFO] extracting crate sierra-proc 0.6.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate sierra-proc 0.6.0 on toolchain c3def263a44e07e09ae6d57abfc8650227fb4972
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c3def263a44e07e09ae6d57abfc8650227fb4972" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sierra-proc 0.6.0
[INFO] finished tweaking crates.io crate sierra-proc 0.6.0
[INFO] tweaked toml for crates.io crate sierra-proc 0.6.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c3def263a44e07e09ae6d57abfc8650227fb4972" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c3def263a44e07e09ae6d57abfc8650227fb4972" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-easy v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+c3def263a44e07e09ae6d57abfc8650227fb4972" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed256b8efd83f3c9fda91e7aa1aec2a2aefd1f20dceb21a196ada2d961080ca6
[INFO] running `Command { std: "docker" "start" "-a" "ed256b8efd83f3c9fda91e7aa1aec2a2aefd1f20dceb21a196ada2d961080ca6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed256b8efd83f3c9fda91e7aa1aec2a2aefd1f20dceb21a196ada2d961080ca6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed256b8efd83f3c9fda91e7aa1aec2a2aefd1f20dceb21a196ada2d961080ca6", kill_on_drop: false }`
[INFO] [stdout] ed256b8efd83f3c9fda91e7aa1aec2a2aefd1f20dceb21a196ada2d961080ca6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+c3def263a44e07e09ae6d57abfc8650227fb4972" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d2c5df8ffd7de38d1cdf1629454ecf4e0b95b0c7308d6dfc5260fcc3b6135da
[INFO] running `Command { std: "docker" "start" "-a" "4d2c5df8ffd7de38d1cdf1629454ecf4e0b95b0c7308d6dfc5260fcc3b6135da", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.71
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking quote v1.0.33
[INFO] [stderr]     Checking proc-easy v0.2.3
[INFO] [stderr]     Checking sierra-proc v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.62s
[INFO] running `Command { std: "docker" "inspect" "4d2c5df8ffd7de38d1cdf1629454ecf4e0b95b0c7308d6dfc5260fcc3b6135da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d2c5df8ffd7de38d1cdf1629454ecf4e0b95b0c7308d6dfc5260fcc3b6135da", kill_on_drop: false }`
[INFO] [stdout] 4d2c5df8ffd7de38d1cdf1629454ecf4e0b95b0c7308d6dfc5260fcc3b6135da
[INFO] checking sierra-proc-0.6.0 against try#3931cbb869e499bf6db1e4d580cc247efbf183df for pr-118920-1
[INFO] extracting crate sierra-proc 0.6.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate sierra-proc 0.6.0 on toolchain 3931cbb869e499bf6db1e4d580cc247efbf183df
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3931cbb869e499bf6db1e4d580cc247efbf183df" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sierra-proc 0.6.0
[INFO] finished tweaking crates.io crate sierra-proc 0.6.0
[INFO] tweaked toml for crates.io crate sierra-proc 0.6.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3931cbb869e499bf6db1e4d580cc247efbf183df" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3931cbb869e499bf6db1e4d580cc247efbf183df" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+3931cbb869e499bf6db1e4d580cc247efbf183df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94bcf00a383a2fbd0eb4e8f4f7d5f4681519581896ee294596a018dc2ad4a242
[INFO] running `Command { std: "docker" "start" "-a" "94bcf00a383a2fbd0eb4e8f4f7d5f4681519581896ee294596a018dc2ad4a242", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94bcf00a383a2fbd0eb4e8f4f7d5f4681519581896ee294596a018dc2ad4a242", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94bcf00a383a2fbd0eb4e8f4f7d5f4681519581896ee294596a018dc2ad4a242", kill_on_drop: false }`
[INFO] [stdout] 94bcf00a383a2fbd0eb4e8f4f7d5f4681519581896ee294596a018dc2ad4a242
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+3931cbb869e499bf6db1e4d580cc247efbf183df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8714f4385a6c420f04fce954633cb3d3035ca44f25a0623e64c41ef8716ef39f
[INFO] running `Command { std: "docker" "start" "-a" "8714f4385a6c420f04fce954633cb3d3035ca44f25a0623e64c41ef8716ef39f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.71
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking quote v1.0.33
[INFO] [stderr]     Checking proc-easy v0.2.3
[INFO] [stdout] error: no rules expected the token `-`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-easy-0.2.3/src/lib.rs:218:18
[INFO] [stdout]     |
[INFO] [stdout] 122 | macro_rules! easy_syn_token {
[INFO] [stdout]     | --------------------------- when calling this macro
[INFO] [stdout] ...
[INFO] [stdout] 218 | easy_syn_token![<-];
[INFO] [stdout]     |                  ^ no rules expected this token in macro call
[INFO] [stdout]     |
[INFO] [stdout] note: while trying to match meta-variable `$token:tt`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-easy-0.2.3/src/lib.rs:123:6
[INFO] [stdout]     |
[INFO] [stdout] 123 |     ($token:tt) => {
[INFO] [stdout]     |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-easy` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "8714f4385a6c420f04fce954633cb3d3035ca44f25a0623e64c41ef8716ef39f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8714f4385a6c420f04fce954633cb3d3035ca44f25a0623e64c41ef8716ef39f", kill_on_drop: false }`
[INFO] [stdout] 8714f4385a6c420f04fce954633cb3d3035ca44f25a0623e64c41ef8716ef39f