[INFO] fetching crate prefixes 0.1.0...
[INFO] checking prefixes-0.1.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate prefixes 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate prefixes 0.1.0
[INFO] finished tweaking crates.io crate prefixes 0.1.0
[INFO] tweaked toml for crates.io crate prefixes 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate prefixes 0.1.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 18 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prefixes-p v0.1.0
[INFO] [stderr]   Downloaded prefixes-ms v0.1.0
[INFO] [stderr]   Downloaded prefixes-f v0.1.0
[INFO] [stderr]   Downloaded prefixes-os v0.1.0
[INFO] [stderr]   Downloaded prefixes-re v0.1.0
[INFO] [stderr]   Downloaded prefixes-s v0.1.0
[INFO] [stderr]   Downloaded prefixes-uppercase-os v0.1.0
[INFO] [stderr]   Downloaded prefixes-uppercase-p v0.1.0
[INFO] [stderr]   Downloaded prefixes-uppercase-re v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec2883aae8f820446b8f378a42d87c22854da4510425115739b1a1c72720cca6
[INFO] running `Command { std: "docker" "start" "-a" "ec2883aae8f820446b8f378a42d87c22854da4510425115739b1a1c72720cca6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec2883aae8f820446b8f378a42d87c22854da4510425115739b1a1c72720cca6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec2883aae8f820446b8f378a42d87c22854da4510425115739b1a1c72720cca6", kill_on_drop: false }`
[INFO] [stdout] ec2883aae8f820446b8f378a42d87c22854da4510425115739b1a1c72720cca6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f11f442a854506b4a6d1653e4a3621f5dbe96330cfb330537ed70622acd0d6d0
[INFO] running `Command { std: "docker" "start" "-a" "f11f442a854506b4a6d1653e4a3621f5dbe96330cfb330537ed70622acd0d6d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking regex-syntax v0.8.6
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking regex-automata v0.4.10
[INFO] [stderr]    Compiling prefixes-p v0.1.0
[INFO] [stderr]    Compiling prefixes-re v0.1.0
[INFO] [stderr]    Compiling prefixes-uppercase-os v0.1.0
[INFO] [stderr]    Compiling prefixes-ms v0.1.0
[INFO] [stderr]    Compiling prefixes-uppercase-p v0.1.0
[INFO] [stderr]    Compiling prefixes-s v0.1.0
[INFO] [stderr]    Compiling prefixes-f v0.1.0
[INFO] [stderr]    Compiling prefixes-os v0.1.0
[INFO] [stderr]    Compiling prefixes-uppercase-re v0.1.0
[INFO] [stderr]     Checking prefixes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking regex v1.11.2
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.87s
[INFO] running `Command { std: "docker" "inspect" "f11f442a854506b4a6d1653e4a3621f5dbe96330cfb330537ed70622acd0d6d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f11f442a854506b4a6d1653e4a3621f5dbe96330cfb330537ed70622acd0d6d0", kill_on_drop: false }`
[INFO] [stdout] f11f442a854506b4a6d1653e4a3621f5dbe96330cfb330537ed70622acd0d6d0