[INFO] fetching crate preftool-toml 0.2.0...
[INFO] checking preftool-toml-0.2.0 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate preftool-toml 0.2.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate preftool-toml 0.2.0
[INFO] finished tweaking crates.io crate preftool-toml 0.2.0
[INFO] tweaked toml for crates.io crate preftool-toml 0.2.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate preftool-toml 0.2.0 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "generate-lockfile" "--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]      Locking 60 packages to latest compatible versions
[INFO] [stderr]       Adding slog-stdlog v3.0.5 (available: v4.1.1)
[INFO] [stderr]       Adding toml v0.5.11 (available: v0.9.5)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5775a733a8d226a2fc36630266a88437c73c30579e758cd9f16a9acac231cb86
[INFO] running `Command { std: "docker" "start" "-a" "5775a733a8d226a2fc36630266a88437c73c30579e758cd9f16a9acac231cb86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5775a733a8d226a2fc36630266a88437c73c30579e758cd9f16a9acac231cb86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5775a733a8d226a2fc36630266a88437c73c30579e758cd9f16a9acac231cb86", kill_on_drop: false }`
[INFO] [stdout] 5775a733a8d226a2fc36630266a88437c73c30579e758cd9f16a9acac231cb86
[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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 121c99496142e8a720c39333ad693cb1e3334c5bbd0fe29997e0fca529adbab9
[INFO] running `Command { std: "docker" "start" "-a" "121c99496142e8a720c39333ad693cb1e3334c5bbd0fe29997e0fca529adbab9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]     Checking adler2 v2.0.1
[INFO] [stderr]     Checking gimli v0.31.1
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking rustc-demangle v0.1.26
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking arc-swap v1.7.1
[INFO] [stderr]     Checking cfg-if v1.0.3
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking tinyvec v1.10.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking slog-scope v4.4.0
[INFO] [stderr]     Checking slog-stdlog v3.0.5
[INFO] [stderr]     Checking unicode-normalization v0.1.24
[INFO] [stderr]     Checking caseless v0.2.2
[INFO] [stderr]     Checking dirs-sys v0.1.0
[INFO] [stderr]     Checking addr2line v0.24.2
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking backtrace v0.3.75
[INFO] [stderr] error: could not compile `backtrace` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   could not execute process `/opt/rustwide/rustup-home/toolchains/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/bin/rustc --crate-name backtrace --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/backtrace-0.3.75/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --allow=unexpected_cfgs --cfg 'feature="default"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("coresymbolication", "cpp_demangle", "dbghelp", "default", "dl_iterate_phdr", "dladdr", "kernel32", "libunwind", "ruzstd", "serde", "serialize-serde", "std", "unix-backtrace"))' -C metadata=49dfbd21e569a48d -C extra-filename=-eaf8f84a6d9cdaff --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern addr2line=/opt/rustwide/target/debug/deps/libaddr2line-b1224eeb6cfcc0b1.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-bc4975430b4eb7b9.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-e5cabef3feeb6ca4.rmeta --extern miniz_oxide=/opt/rustwide/target/debug/deps/libminiz_oxide-5b6b828be0afec4b.rmeta --extern object=/opt/rustwide/target/debug/deps/libobject-65e81fb8a904d06a.rmeta --extern rustc_demangle=/opt/rustwide/target/debug/deps/librustc_demangle-30593f3032b3f550.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] running `Command { std: "docker" "inspect" "121c99496142e8a720c39333ad693cb1e3334c5bbd0fe29997e0fca529adbab9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "121c99496142e8a720c39333ad693cb1e3334c5bbd0fe29997e0fca529adbab9", kill_on_drop: false }`
[INFO] [stdout] 121c99496142e8a720c39333ad693cb1e3334c5bbd0fe29997e0fca529adbab9