[INFO] cloning repository https://github.com/A4-Tacks/syml-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/A4-Tacks/syml-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FA4-Tacks%2Fsyml-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FA4-Tacks%2Fsyml-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1799139057dc93e8987ca4058704797fe40d346c
[INFO] building A4-Tacks/syml-rs against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FA4-Tacks%2Fsyml-rs" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/A4-Tacks/syml-rs on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/A4-Tacks/syml-rs
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/A4-Tacks/syml-rs
[INFO] tweaked toml for git repo https://github.com/A4-Tacks/syml-rs written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/A4-Tacks/syml-rs 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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 syn v2.0.59
[INFO] [stderr]   Downloaded peg-macros v0.8.2
[INFO] [stderr]   Downloaded peg-runtime v0.8.2
[INFO] [stderr]   Downloaded peg v0.8.2
[INFO] [stderr]   Downloaded proc-macro2 v1.0.80
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b4950294934eb1042cf2471abe77c80400646b2341840dce179777160adbb03
[INFO] running `Command { std: "docker" "start" "-a" "2b4950294934eb1042cf2471abe77c80400646b2341840dce179777160adbb03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b4950294934eb1042cf2471abe77c80400646b2341840dce179777160adbb03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b4950294934eb1042cf2471abe77c80400646b2341840dce179777160adbb03", kill_on_drop: false }`
[INFO] [stdout] 2b4950294934eb1042cf2471abe77c80400646b2341840dce179777160adbb03
[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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31d7ced86fa6a06fffc06f250c4b437d98c34bafdfee087f93ef745d8c272a4e
[INFO] running `Command { std: "docker" "start" "-a" "31d7ced86fa6a06fffc06f250c4b437d98c34bafdfee087f93ef745d8c272a4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.80
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling peg-runtime v0.8.2
[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling peg-macros v0.8.2
[INFO] [stderr]    Compiling peg v0.8.2
[INFO] [stderr]    Compiling syml v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.12s
[INFO] running `Command { std: "docker" "inspect" "31d7ced86fa6a06fffc06f250c4b437d98c34bafdfee087f93ef745d8c272a4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31d7ced86fa6a06fffc06f250c4b437d98c34bafdfee087f93ef745d8c272a4e", kill_on_drop: false }`
[INFO] [stdout] 31d7ced86fa6a06fffc06f250c4b437d98c34bafdfee087f93ef745d8c272a4e
[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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5aebecf921959871b60b84be937bcc8b97690d590c009bf4dda265ef0c984c10
[INFO] running `Command { std: "docker" "start" "-a" "5aebecf921959871b60b84be937bcc8b97690d590c009bf4dda265ef0c984c10", kill_on_drop: false }`
[INFO] [stderr]    Compiling json v0.12.4
[INFO] [stderr]    Compiling syml v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "5aebecf921959871b60b84be937bcc8b97690d590c009bf4dda265ef0c984c10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5aebecf921959871b60b84be937bcc8b97690d590c009bf4dda265ef0c984c10", kill_on_drop: false }`
[INFO] [stdout] 5aebecf921959871b60b84be937bcc8b97690d590c009bf4dda265ef0c984c10