[INFO] fetching crate practicestuff 0.4.2...
[INFO] testing practicestuff-0.4.2 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate practicestuff 0.4.2 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate practicestuff 0.4.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate practicestuff 0.4.2
[INFO] tweaked toml for crates.io crate practicestuff 0.4.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate practicestuff 0.4.2 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate practicestuff 0.4.2 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea6fa7fe4969badf748a31bff25bd264663de78c826721b5e1acd68f5df7462a
[INFO] running `Command { std: "docker" "start" "-a" "ea6fa7fe4969badf748a31bff25bd264663de78c826721b5e1acd68f5df7462a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea6fa7fe4969badf748a31bff25bd264663de78c826721b5e1acd68f5df7462a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea6fa7fe4969badf748a31bff25bd264663de78c826721b5e1acd68f5df7462a", kill_on_drop: false }`
[INFO] [stdout] ea6fa7fe4969badf748a31bff25bd264663de78c826721b5e1acd68f5df7462a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 513cb63f66d5677d2a90ca4bdb8a60036fa96eaebb248a97da78e99112fc1ab9
[INFO] running `Command { std: "docker" "start" "-a" "513cb63f66d5677d2a90ca4bdb8a60036fa96eaebb248a97da78e99112fc1ab9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.167
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling rustix v0.38.41
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling iana-time-zone v0.1.61
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr] error: could not compile `num-traits` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   could not execute process `/opt/rustwide/rustup-home/toolchains/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/bin/rustc --crate-name num_traits --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/num-traits-0.2.19/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 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "i128", "libm", "std"))' -C metadata=729f49b14137c9b5 -C extra-filename=-e621cc1bb1c4679c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid --check-cfg 'cfg(has_total_cmp)'` (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" "513cb63f66d5677d2a90ca4bdb8a60036fa96eaebb248a97da78e99112fc1ab9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "513cb63f66d5677d2a90ca4bdb8a60036fa96eaebb248a97da78e99112fc1ab9", kill_on_drop: false }`
[INFO] [stdout] 513cb63f66d5677d2a90ca4bdb8a60036fa96eaebb248a97da78e99112fc1ab9