[INFO] cloning repository https://github.com/prevy/prevy-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/prevy/prevy-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprevy%2Fprevy-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprevy%2Fprevy-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b8e392dc545f284440a4ddda2bdf23e78ec83cc4
[INFO] checking prevy/prevy-rust against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprevy%2Fprevy-rust" "/workspace/builds/worker-103/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-103/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/prevy/prevy-rust on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/prevy/prevy-rust
[INFO] finished tweaking git repo https://github.com/prevy/prevy-rust
[INFO] tweaked toml for git repo https://github.com/prevy/prevy-rust written to /workspace/builds/worker-103/source/Cargo.toml
[INFO] crate git repo https://github.com/prevy/prevy-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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 strsim v0.4.1
[INFO] [stderr]   Downloaded threadpool v1.3.0
[INFO] [stderr]   Downloaded clap v2.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 834dd12417ee2ba05d07aff3a0fbaf753317cdd16c1bd0e0f42084b846ea594c
[INFO] running `Command { std: "docker" "start" "-a" "834dd12417ee2ba05d07aff3a0fbaf753317cdd16c1bd0e0f42084b846ea594c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "834dd12417ee2ba05d07aff3a0fbaf753317cdd16c1bd0e0f42084b846ea594c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "834dd12417ee2ba05d07aff3a0fbaf753317cdd16c1bd0e0f42084b846ea594c", kill_on_drop: false }`
[INFO] [stdout] 834dd12417ee2ba05d07aff3a0fbaf753317cdd16c1bd0e0f42084b846ea594c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 177cb8ef531bf7d257e5220fe471104ff62d73df1a0b03d84f0c2d81774f58cb
[INFO] running `Command { std: "docker" "start" "-a" "177cb8ef531bf7d257e5220fe471104ff62d73df1a0b03d84f0c2d81774f58cb", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] no edition found in manifest, probably 2015, skipping
[INFO] running `Command { std: "docker" "inspect" "177cb8ef531bf7d257e5220fe471104ff62d73df1a0b03d84f0c2d81774f58cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "177cb8ef531bf7d257e5220fe471104ff62d73df1a0b03d84f0c2d81774f58cb", kill_on_drop: false }`
[INFO] [stdout] 177cb8ef531bf7d257e5220fe471104ff62d73df1a0b03d84f0c2d81774f58cb