[INFO] fetching crate mantra-rust-procm 0.7.0...
[INFO] testing mantra-rust-procm-0.7.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate mantra-rust-procm 0.7.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate mantra-rust-procm 0.7.0
[INFO] finished tweaking crates.io crate mantra-rust-procm 0.7.0
[INFO] tweaked toml for crates.io crate mantra-rust-procm 0.7.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mantra-rust-procm 0.7.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 27 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53ce456bec6b70a79db736faef8eaf7437022a1d024c4c38b5485c8a281691a8
[INFO] running `Command { std: "docker" "start" "-a" "53ce456bec6b70a79db736faef8eaf7437022a1d024c4c38b5485c8a281691a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53ce456bec6b70a79db736faef8eaf7437022a1d024c4c38b5485c8a281691a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53ce456bec6b70a79db736faef8eaf7437022a1d024c4c38b5485c8a281691a8", kill_on_drop: false }`
[INFO] [stdout] 53ce456bec6b70a79db736faef8eaf7437022a1d024c4c38b5485c8a281691a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ab493215567cf4c44c6d81a84ecf75de494aee102cd8cb14b973579af105bd1
[INFO] running `Command { std: "docker" "start" "-a" "8ab493215567cf4c44c6d81a84ecf75de494aee102cd8cb14b973579af105bd1", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling schemars v0.8.22
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling dyn-clone v1.0.20
[INFO] [stderr]    Compiling path-slash v0.2.1
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling time-macros v0.2.23
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]    Compiling schemars_derive v0.8.22
[INFO] [stderr]    Compiling deranged v0.5.3
[INFO] [stderr] error: could not compile `serde_json` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   could not execute process `/opt/rustwide/rustup-home/toolchains/b83b707f97d809763b7861afa7638871f3339a33/bin/rustc --crate-name serde_json --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_json-1.0.143/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 --cfg 'feature="default"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alloc", "arbitrary_precision", "default", "float_roundtrip", "indexmap", "preserve_order", "raw_value", "std", "unbounded_depth"))' -C metadata=6f1b012bf351579c -C extra-filename=-d53fd3e6f07836de --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern itoa=/opt/rustwide/target/debug/deps/libitoa-c3a1a3771494e946.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-9dc88e31d80ebbc5.rmeta --extern ryu=/opt/rustwide/target/debug/deps/libryu-0fc417cbd813222a.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-e4f78eedfe06631b.rmeta --cap-lints allow --cap-lints=forbid --cfg 'fast_arithmetic="64"' --check-cfg 'cfg(fast_arithmetic, values("32", "64"))'` (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" "8ab493215567cf4c44c6d81a84ecf75de494aee102cd8cb14b973579af105bd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ab493215567cf4c44c6d81a84ecf75de494aee102cd8cb14b973579af105bd1", kill_on_drop: false }`
[INFO] [stdout] 8ab493215567cf4c44c6d81a84ecf75de494aee102cd8cb14b973579af105bd1