[INFO] fetching crate concision-macros 0.2.7...
[INFO] testing concision-macros-0.2.7 against try#16fbf98f22730e073c09e7b03f0eafb87a295545 for pr-145628
[INFO] extracting crate concision-macros 0.2.7 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate concision-macros 0.2.7
[INFO] finished tweaking crates.io crate concision-macros 0.2.7
[INFO] tweaked toml for crates.io crate concision-macros 0.2.7 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate concision-macros 0.2.7 on toolchain 16fbf98f22730e073c09e7b03f0eafb87a295545
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate concision-macros 0.2.7 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" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69525e7c3cb05c74abe4084136cec31bb69be04820022950652cb0d648000850
[INFO] running `Command { std: "docker" "start" "-a" "69525e7c3cb05c74abe4084136cec31bb69be04820022950652cb0d648000850", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69525e7c3cb05c74abe4084136cec31bb69be04820022950652cb0d648000850", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69525e7c3cb05c74abe4084136cec31bb69be04820022950652cb0d648000850", kill_on_drop: false }`
[INFO] [stdout] 69525e7c3cb05c74abe4084136cec31bb69be04820022950652cb0d648000850
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f89b6eaed39d38dc652421f99938debfa0933a2c11c41e4f0c1e766bdeeea46d
[INFO] running `Command { std: "docker" "start" "-a" "f89b6eaed39d38dc652421f99938debfa0933a2c11c41e4f0c1e766bdeeea46d", kill_on_drop: false }`
[INFO] [stderr]    Compiling concision-macros v0.2.7 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr] error: could not parse/generate dep info at: /opt/rustwide/target/debug/deps/syn-176fe4ecb3f5a4c2.d
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No such file or directory (os error 2)
[INFO] running `Command { std: "docker" "inspect" "f89b6eaed39d38dc652421f99938debfa0933a2c11c41e4f0c1e766bdeeea46d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f89b6eaed39d38dc652421f99938debfa0933a2c11c41e4f0c1e766bdeeea46d", kill_on_drop: false }`
[INFO] [stdout] f89b6eaed39d38dc652421f99938debfa0933a2c11c41e4f0c1e766bdeeea46d