[INFO] fetching crate syn 1.0.82...
[INFO] testing syn-1.0.82 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate syn 1.0.82 into /workspace/builds/worker-60/source
[INFO] validating manifest of crates.io crate syn 1.0.82 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate syn 1.0.82
[INFO] finished tweaking crates.io crate syn 1.0.82
[INFO] tweaked toml for crates.io crate syn 1.0.82 written to /workspace/builds/worker-60/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn-test-suite v0.0.0+test
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d04b0089d60742e331e4c2bb32d93abf1a6b125b38c5d851a0e861ffaa56da5c
[INFO] running `Command { std: "docker" "start" "-a" "d04b0089d60742e331e4c2bb32d93abf1a6b125b38c5d851a0e861ffaa56da5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d04b0089d60742e331e4c2bb32d93abf1a6b125b38c5d851a0e861ffaa56da5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d04b0089d60742e331e4c2bb32d93abf1a6b125b38c5d851a0e861ffaa56da5c", kill_on_drop: false }`
[INFO] [stdout] d04b0089d60742e331e4c2bb32d93abf1a6b125b38c5d851a0e861ffaa56da5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7807badd0f81f2290e7bb2fb73d97f2daa43d49f35efbc2dc52a90123b9484d3
[INFO] running `Command { std: "docker" "start" "-a" "7807badd0f81f2290e7bb2fb73d97f2daa43d49f35efbc2dc52a90123b9484d3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.26s
[INFO] running `Command { std: "docker" "inspect" "7807badd0f81f2290e7bb2fb73d97f2daa43d49f35efbc2dc52a90123b9484d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7807badd0f81f2290e7bb2fb73d97f2daa43d49f35efbc2dc52a90123b9484d3", kill_on_drop: false }`
[INFO] [stdout] 7807badd0f81f2290e7bb2fb73d97f2daa43d49f35efbc2dc52a90123b9484d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ec42168baa5a07a9a5a5bef43e1d144dd875cbf82eda555b8286a9d245575fb
[INFO] running `Command { std: "docker" "start" "-a" "9ec42168baa5a07a9a5a5bef43e1d144dd875cbf82eda555b8286a9d245575fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling futures-util v0.3.18
[INFO] [stderr]    Compiling ryu v1.0.6
[INFO] [stderr]    Compiling futures-channel v0.3.18
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]    Compiling crc32fast v1.3.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling ref-cast v1.0.6
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling similar v1.3.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling syn-test-suite v0.0.0+test
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling socket2 v0.4.2
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling filetime v0.2.15
[INFO] [stdout] error: expected item, found `@`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-test-suite-0.0.0+test/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | @
[INFO] [stdout]   | ^ expected item
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling encoding_rs v0.8.29
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `syn-test-suite` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "9ec42168baa5a07a9a5a5bef43e1d144dd875cbf82eda555b8286a9d245575fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ec42168baa5a07a9a5a5bef43e1d144dd875cbf82eda555b8286a9d245575fb", kill_on_drop: false }`
[INFO] [stdout] 9ec42168baa5a07a9a5a5bef43e1d144dd875cbf82eda555b8286a9d245575fb