[INFO] fetching crate marked-yaml 0.8.0...
[INFO] testing marked-yaml-0.8.0 against try#16fbf98f22730e073c09e7b03f0eafb87a295545 for pr-145628
[INFO] extracting crate marked-yaml 0.8.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate marked-yaml 0.8.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate marked-yaml 0.8.0
[INFO] tweaked toml for crates.io crate marked-yaml 0.8.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate marked-yaml 0.8.0 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 marked-yaml 0.8.0 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] [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] 768f4c0b510b0205e3147133a40bc861e85414eb6a9a2cd5eaa704ce1c5cad88
[INFO] running `Command { std: "docker" "start" "-a" "768f4c0b510b0205e3147133a40bc861e85414eb6a9a2cd5eaa704ce1c5cad88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "768f4c0b510b0205e3147133a40bc861e85414eb6a9a2cd5eaa704ce1c5cad88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "768f4c0b510b0205e3147133a40bc861e85414eb6a9a2cd5eaa704ce1c5cad88", kill_on_drop: false }`
[INFO] [stdout] 768f4c0b510b0205e3147133a40bc861e85414eb6a9a2cd5eaa704ce1c5cad88
[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] 1eb41ee2861911d2e7e845785054a3a5eb84d5b474fd1a4e9cb3a9cea7a22d7d
[INFO] running `Command { std: "docker" "start" "-a" "1eb41ee2861911d2e7e845785054a3a5eb84d5b474fd1a4e9cb3a9cea7a22d7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling foldhash v0.1.5
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling arraydeque v0.5.1
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling hashbrown v0.15.3
[INFO] [stderr]    Compiling hashlink v0.10.0
[INFO] [stderr]    Compiling yaml-rust2 v0.10.2
[INFO] [stderr] error: could not compile `yaml-rust2` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   could not execute process `/opt/rustwide/rustup-home/toolchains/16fbf98f22730e073c09e7b03f0eafb87a295545/bin/rustc --crate-name yaml_rust2 --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/yaml-rust2-0.10.2/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="encoding"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("debug_prints", "default", "encoding"))' -C metadata=e1630bce52563b40 -C extra-filename=-513d80b2e84a0739 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern arraydeque=/opt/rustwide/target/debug/deps/libarraydeque-be9e663bcba0ae31.rmeta --extern encoding_rs=/opt/rustwide/target/debug/deps/libencoding_rs-68ad4a143c31cce1.rmeta --extern hashlink=/opt/rustwide/target/debug/deps/libhashlink-200a96a1179aeb91.rmeta --cap-lints allow --cap-lints=forbid` (never executed)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No such file or directory (os error 2)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1eb41ee2861911d2e7e845785054a3a5eb84d5b474fd1a4e9cb3a9cea7a22d7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1eb41ee2861911d2e7e845785054a3a5eb84d5b474fd1a4e9cb3a9cea7a22d7d", kill_on_drop: false }`
[INFO] [stdout] 1eb41ee2861911d2e7e845785054a3a5eb84d5b474fd1a4e9cb3a9cea7a22d7d