[INFO] cloning repository https://github.com/ArsalanDotMe/quickjs-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ArsalanDotMe/quickjs-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArsalanDotMe%2Fquickjs-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArsalanDotMe%2Fquickjs-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 81471ed7eb2f5eb275728c4863f7b1d3faed93b7
[INFO] checking ArsalanDotMe/quickjs-playground against try#ddcf048784667508cd676fef4667f88ae15628a3 for pr-148271
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArsalanDotMe%2Fquickjs-playground" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ArsalanDotMe/quickjs-playground
[INFO] finished tweaking git repo https://github.com/ArsalanDotMe/quickjs-playground
[INFO] tweaked toml for git repo https://github.com/ArsalanDotMe/quickjs-playground written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ArsalanDotMe/quickjs-playground on toolchain ddcf048784667508cd676fef4667f88ae15628a3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ddcf048784667508cd676fef4667f88ae15628a3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ArsalanDotMe/quickjs-playground 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" "+ddcf048784667508cd676fef4667f88ae15628a3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ddcf048784667508cd676fef4667f88ae15628a3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 621a1290dde9ec78e6ab1b77647fe56563965b5efda16c9cc8f7102c100a43e2
[INFO] running `Command { std: "docker" "start" "-a" "621a1290dde9ec78e6ab1b77647fe56563965b5efda16c9cc8f7102c100a43e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "621a1290dde9ec78e6ab1b77647fe56563965b5efda16c9cc8f7102c100a43e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "621a1290dde9ec78e6ab1b77647fe56563965b5efda16c9cc8f7102c100a43e2", kill_on_drop: false }`
[INFO] [stdout] 621a1290dde9ec78e6ab1b77647fe56563965b5efda16c9cc8f7102c100a43e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ddcf048784667508cd676fef4667f88ae15628a3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aeb005b9b3eea0b75072ae4f59b428db4e3b2d881623f3ac0a867a51d3f7e2dd
[INFO] running `Command { std: "docker" "start" "-a" "aeb005b9b3eea0b75072ae4f59b428db4e3b2d881623f3ac0a867a51d3f7e2dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.76
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling openssl v0.10.42
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]     Checking ipnet v2.5.1
[INFO] [stderr]    Compiling walkdir v0.1.8
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]    Compiling copy_dir v0.1.2
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/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] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "aeb005b9b3eea0b75072ae4f59b428db4e3b2d881623f3ac0a867a51d3f7e2dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aeb005b9b3eea0b75072ae4f59b428db4e3b2d881623f3ac0a867a51d3f7e2dd", kill_on_drop: false }`
[INFO] [stdout] aeb005b9b3eea0b75072ae4f59b428db4e3b2d881623f3ac0a867a51d3f7e2dd
