[INFO] cloning repository https://github.com/topit/convert-otf-woff2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/topit/convert-otf-woff2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftopit%2Fconvert-otf-woff2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftopit%2Fconvert-otf-woff2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ab31bd36b9bbeaefcf85e014455f94c27c40a80d
[INFO] testing topit/convert-otf-woff2 against try#028592fec99e54cc92def5a2a849c673b066dd93 for pr-146098
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftopit%2Fconvert-otf-woff2" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/topit/convert-otf-woff2
[INFO] finished tweaking git repo https://github.com/topit/convert-otf-woff2
[INFO] tweaked toml for git repo https://github.com/topit/convert-otf-woff2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/topit/convert-otf-woff2 on toolchain 028592fec99e54cc92def5a2a849c673b066dd93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+028592fec99e54cc92def5a2a849c673b066dd93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/topit/convert-otf-woff2 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" "+028592fec99e54cc92def5a2a849c673b066dd93" "fetch" "--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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded truetype v0.47.10
[INFO] [stderr]   Downloaded typeface v0.4.3
[INFO] [stderr]   Downloaded opentype v0.38.4
[INFO] [stderr]   Downloaded woff v0.3.4
[INFO] [stderr]   Downloaded postscript v0.18.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+028592fec99e54cc92def5a2a849c673b066dd93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f151caa4649a6e3a51c13642dc741caa2b7f4094a01c6d145c6d6f1324d21050
[INFO] running `Command { std: "docker" "start" "-a" "f151caa4649a6e3a51c13642dc741caa2b7f4094a01c6d145c6d6f1324d21050", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f151caa4649a6e3a51c13642dc741caa2b7f4094a01c6d145c6d6f1324d21050", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f151caa4649a6e3a51c13642dc741caa2b7f4094a01c6d145c6d6f1324d21050", kill_on_drop: false }`
[INFO] [stdout] f151caa4649a6e3a51c13642dc741caa2b7f4094a01c6d145c6d6f1324d21050
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+028592fec99e54cc92def5a2a849c673b066dd93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bcb84e113946ea497729b3305b1bb94b845482011c415a88da4683c7dd8d35e9
[INFO] running `Command { std: "docker" "start" "-a" "bcb84e113946ea497729b3305b1bb94b845482011c415a88da4683c7dd8d35e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.100
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling bumpalo v3.19.0
[INFO] [stderr]    Compiling typeface v0.4.3
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling cc v1.2.27
[INFO] [stderr]    Compiling rustversion v1.0.21
[INFO] [stderr]    Compiling wee_alloc v0.4.5
[INFO] [stderr]    Compiling wasm-bindgen v0.2.100
[INFO] [stderr]    Compiling postscript v0.18.4
[INFO] [stderr]    Compiling truetype v0.47.10
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling opentype v0.38.4
[INFO] [stderr]    Compiling woff v0.3.4
[INFO] [stderr]    Compiling convert-otf-woff2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr] warning: convert-otf-woff2@0.1.0: Compiler family detection failed due to error: ToolNotFound: failed to find tool "emcc": No such file or directory (os error 2)
[INFO] [stderr] error: failed to run custom build command for `convert-otf-woff2 v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/convert-otf-woff2-64ae6188db2404c9/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   OUT_DIR = Some(/opt/rustwide/target/debug/build/convert-otf-woff2-fb3bf74e10cccb11/out)
[INFO] [stderr]   OPT_LEVEL = Some(0)
[INFO] [stderr]   cargo:rerun-if-env-changed=CC_ENABLE_DEBUG_OUTPUT
[INFO] [stderr]   cargo:warning=Compiler family detection failed due to error: ToolNotFound: failed to find tool "emcc": No such file or directory (os error 2)
[INFO] [stderr]   cargo:rerun-if-env-changed=CRATE_CC_NO_DEFAULTS
[INFO] [stderr]   CRATE_CC_NO_DEFAULTS = None
[INFO] [stderr]   TARGET = Some(x86_64-unknown-linux-gnu)
[INFO] [stderr]   DEBUG = Some(true)
[INFO] [stderr]   HOST = Some(x86_64-unknown-linux-gnu)
[INFO] [stderr]   cargo:rerun-if-env-changed=CFLAGS
[INFO] [stderr]   CFLAGS = None
[INFO] [stderr]   cargo:rerun-if-env-changed=HOST_CFLAGS
[INFO] [stderr]   HOST_CFLAGS = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CFLAGS_x86_64_unknown_linux_gnu
[INFO] [stderr]   CFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CFLAGS_x86_64-unknown-linux-gnu
[INFO] [stderr]   CFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   CARGO_ENCODED_RUSTFLAGS = Some(--cap-lints=forbid)
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   error occurred in cc-rs: failed to find tool "emcc": No such file or directory (os error 2)
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "bcb84e113946ea497729b3305b1bb94b845482011c415a88da4683c7dd8d35e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcb84e113946ea497729b3305b1bb94b845482011c415a88da4683c7dd8d35e9", kill_on_drop: false }`
[INFO] [stdout] bcb84e113946ea497729b3305b1bb94b845482011c415a88da4683c7dd8d35e9