[INFO] fetching crate rust_task 0.1.3...
[INFO] building rust_task-0.1.3 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate rust_task 0.1.3 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate rust_task 0.1.3
[INFO] finished tweaking crates.io crate rust_task 0.1.3
[INFO] tweaked toml for crates.io crate rust_task 0.1.3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust_task 0.1.3 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rust_task 0.1.3 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c5d02c2160c0002d228a65fe3edb059f60456137e08197964d3fb856f7dfb354
[INFO] running `Command { std: "docker" "start" "-a" "c5d02c2160c0002d228a65fe3edb059f60456137e08197964d3fb856f7dfb354", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5d02c2160c0002d228a65fe3edb059f60456137e08197964d3fb856f7dfb354", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5d02c2160c0002d228a65fe3edb059f60456137e08197964d3fb856f7dfb354", kill_on_drop: false }`
[INFO] [stdout] c5d02c2160c0002d228a65fe3edb059f60456137e08197964d3fb856f7dfb354
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be384693c0507e9e986b16711cc420e48a8dc1aca9fec07ba0c990b686d94fdd
[INFO] running `Command { std: "docker" "start" "-a" "be384693c0507e9e986b16711cc420e48a8dc1aca9fec07ba0c990b686d94fdd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling time-core v0.1.1
[INFO] [stderr]    Compiling time v0.3.21
[INFO] [stderr]    Compiling termion v2.0.1
[INFO] [stderr]    Compiling pyu_rust_util v0.1.64
[INFO] [stderr]    Compiling rust_task v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.04s
[INFO] running `Command { std: "docker" "inspect" "be384693c0507e9e986b16711cc420e48a8dc1aca9fec07ba0c990b686d94fdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be384693c0507e9e986b16711cc420e48a8dc1aca9fec07ba0c990b686d94fdd", kill_on_drop: false }`
[INFO] [stdout] be384693c0507e9e986b16711cc420e48a8dc1aca9fec07ba0c990b686d94fdd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f172b93af8dfcfb74b3bba0ab4be2ec8a28104b2761436f760dcf29099e97a08
[INFO] running `Command { std: "docker" "start" "-a" "f172b93af8dfcfb74b3bba0ab4be2ec8a28104b2761436f760dcf29099e97a08", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_task v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "f172b93af8dfcfb74b3bba0ab4be2ec8a28104b2761436f760dcf29099e97a08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f172b93af8dfcfb74b3bba0ab4be2ec8a28104b2761436f760dcf29099e97a08", kill_on_drop: false }`
[INFO] [stdout] f172b93af8dfcfb74b3bba0ab4be2ec8a28104b2761436f760dcf29099e97a08