[INFO] fetching crate dmfr 0.2.2...
[INFO] checking dmfr-0.2.2 against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] extracting crate dmfr 0.2.2 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate dmfr 0.2.2
[INFO] finished tweaking crates.io crate dmfr 0.2.2
[INFO] tweaked toml for crates.io crate dmfr 0.2.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dmfr 0.2.2 on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate dmfr 0.2.2 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded regress v0.10.2
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] abb6b7ef5c4461f814d862bf418b1e28c9a532fdc0857f303ed734ad8d374187
[INFO] running `Command { std: "docker" "start" "-a" "abb6b7ef5c4461f814d862bf418b1e28c9a532fdc0857f303ed734ad8d374187", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abb6b7ef5c4461f814d862bf418b1e28c9a532fdc0857f303ed734ad8d374187", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abb6b7ef5c4461f814d862bf418b1e28c9a532fdc0857f303ed734ad8d374187", kill_on_drop: false }`
[INFO] [stdout] abb6b7ef5c4461f814d862bf418b1e28c9a532fdc0857f303ed734ad8d374187
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74ac99ace92062021b8378e782546f560723b9a1012118d33e5b14d08c21aaf5
[INFO] running `Command { std: "docker" "start" "-a" "74ac99ace92062021b8378e782546f560723b9a1012118d33e5b14d08c21aaf5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]     Checking foldhash v0.1.4
[INFO] [stderr]    Compiling serde_json v1.0.135
[INFO] [stderr]     Checking hashbrown v0.15.2
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]     Checking regress v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]     Checking dmfr v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.54s
[INFO] running `Command { std: "docker" "inspect" "74ac99ace92062021b8378e782546f560723b9a1012118d33e5b14d08c21aaf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74ac99ace92062021b8378e782546f560723b9a1012118d33e5b14d08c21aaf5", kill_on_drop: false }`
[INFO] [stdout] 74ac99ace92062021b8378e782546f560723b9a1012118d33e5b14d08c21aaf5