[INFO] fetching crate dsim 0.3.1...
[INFO] checking dsim-0.3.1 against master#8a703520e80d87d4423c01f9d4fbc9e5f6533a02 for pr-154205-1
[INFO] extracting crate dsim 0.3.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate dsim 0.3.1
[INFO] finished tweaking crates.io crate dsim 0.3.1
[INFO] tweaked toml for crates.io crate dsim 0.3.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dsim 0.3.1 on toolchain 8a703520e80d87d4423c01f9d4fbc9e5f6533a02
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate dsim 0.3.1 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" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nanorand v0.7.0
[INFO] [stderr]   Downloaded flume v0.11.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa50713e1c116103042f220431d1b6fc3b46222e3ae3573840a027963baddaba
[INFO] running `Command { std: "docker" "start" "-a" "aa50713e1c116103042f220431d1b6fc3b46222e3ae3573840a027963baddaba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa50713e1c116103042f220431d1b6fc3b46222e3ae3573840a027963baddaba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa50713e1c116103042f220431d1b6fc3b46222e3ae3573840a027963baddaba", kill_on_drop: false }`
[INFO] [stdout] aa50713e1c116103042f220431d1b6fc3b46222e3ae3573840a027963baddaba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51ca48c51986328257a63fa7edbda58c9ac6513a9aa8595fed417ff5e68ab9ab
[INFO] running `Command { std: "docker" "start" "-a" "51ca48c51986328257a63fa7edbda58c9ac6513a9aa8595fed417ff5e68ab9ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]     Checking cfg-if v1.0.3
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking flume v0.11.1
[INFO] [stderr]     Checking dsim v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.40s
[INFO] running `Command { std: "docker" "inspect" "51ca48c51986328257a63fa7edbda58c9ac6513a9aa8595fed417ff5e68ab9ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51ca48c51986328257a63fa7edbda58c9ac6513a9aa8595fed417ff5e68ab9ab", kill_on_drop: false }`
[INFO] [stdout] 51ca48c51986328257a63fa7edbda58c9ac6513a9aa8595fed417ff5e68ab9ab