[INFO] fetching crate safe-modular-arithmetic 0.2.4...
[INFO] checking safe-modular-arithmetic-0.2.4 against try#0edd13c68435d50367c79cef43ac2768d2ec4f3d for pr-129422
[INFO] extracting crate safe-modular-arithmetic 0.2.4 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate safe-modular-arithmetic 0.2.4 on toolchain 0edd13c68435d50367c79cef43ac2768d2ec4f3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate safe-modular-arithmetic 0.2.4
[INFO] finished tweaking crates.io crate safe-modular-arithmetic 0.2.4
[INFO] tweaked toml for crates.io crate safe-modular-arithmetic 0.2.4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "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 3 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9746ec540449d9aafc1d102c3173185f9f0b38837b76017a0cb621a5a6677a5e
[INFO] running `Command { std: "docker" "start" "-a" "9746ec540449d9aafc1d102c3173185f9f0b38837b76017a0cb621a5a6677a5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9746ec540449d9aafc1d102c3173185f9f0b38837b76017a0cb621a5a6677a5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9746ec540449d9aafc1d102c3173185f9f0b38837b76017a0cb621a5a6677a5e", kill_on_drop: false }`
[INFO] [stdout] 9746ec540449d9aafc1d102c3173185f9f0b38837b76017a0cb621a5a6677a5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d1fd39f1f021b8f02aac0d82fb274712f2cd4fb46045cc10706cea4ed2ed174
[INFO] running `Command { std: "docker" "start" "-a" "7d1fd39f1f021b8f02aac0d82fb274712f2cd4fb46045cc10706cea4ed2ed174", kill_on_drop: false }`
[INFO] [stderr]     Checking safe-modular-arithmetic v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "7d1fd39f1f021b8f02aac0d82fb274712f2cd4fb46045cc10706cea4ed2ed174", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d1fd39f1f021b8f02aac0d82fb274712f2cd4fb46045cc10706cea4ed2ed174", kill_on_drop: false }`
[INFO] [stdout] 7d1fd39f1f021b8f02aac0d82fb274712f2cd4fb46045cc10706cea4ed2ed174