[INFO] cloning repository https://github.com/cociorbaandrei/bittorent-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cociorbaandrei/bittorent-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcociorbaandrei%2Fbittorent-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcociorbaandrei%2Fbittorent-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3237d87efcc0e9892d819626f76391ffd94367b9
[INFO] checking cociorbaandrei/bittorent-rust against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcociorbaandrei%2Fbittorent-rust" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cociorbaandrei/bittorent-rust on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cociorbaandrei/bittorent-rust
[INFO] finished tweaking git repo https://github.com/cociorbaandrei/bittorent-rust
[INFO] tweaked toml for git repo https://github.com/cociorbaandrei/bittorent-rust written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/cociorbaandrei/bittorent-rust 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 775873c45208b479c15a942ec78bb56d9ee550455840bef850bd302277649a58
[INFO] running `Command { std: "docker" "start" "-a" "775873c45208b479c15a942ec78bb56d9ee550455840bef850bd302277649a58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "775873c45208b479c15a942ec78bb56d9ee550455840bef850bd302277649a58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "775873c45208b479c15a942ec78bb56d9ee550455840bef850bd302277649a58", kill_on_drop: false }`
[INFO] [stdout] 775873c45208b479c15a942ec78bb56d9ee550455840bef850bd302277649a58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7470b9c4749fdf59a775fec43ae9b479d2abb84c9a2579d52c1cdb2bd50e8f6
[INFO] running `Command { std: "docker" "start" "-a" "e7470b9c4749fdf59a775fec43ae9b479d2abb84c9a2579d52c1cdb2bd50e8f6", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking h2 v0.3.20
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.18
[INFO] [stderr]     Checking bittorrent-starter-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.86s
[INFO] running `Command { std: "docker" "inspect" "e7470b9c4749fdf59a775fec43ae9b479d2abb84c9a2579d52c1cdb2bd50e8f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7470b9c4749fdf59a775fec43ae9b479d2abb84c9a2579d52c1cdb2bd50e8f6", kill_on_drop: false }`
[INFO] [stdout] e7470b9c4749fdf59a775fec43ae9b479d2abb84c9a2579d52c1cdb2bd50e8f6
[INFO] checking cociorbaandrei/bittorent-rust against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcociorbaandrei%2Fbittorent-rust" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cociorbaandrei/bittorent-rust on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cociorbaandrei/bittorent-rust
[INFO] finished tweaking git repo https://github.com/cociorbaandrei/bittorent-rust
[INFO] tweaked toml for git repo https://github.com/cociorbaandrei/bittorent-rust written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/cociorbaandrei/bittorent-rust 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3afb407ddd078cf79687b4188c1843b96986e287dcfdc02d84d9d86c17159e9f
[INFO] running `Command { std: "docker" "start" "-a" "3afb407ddd078cf79687b4188c1843b96986e287dcfdc02d84d9d86c17159e9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3afb407ddd078cf79687b4188c1843b96986e287dcfdc02d84d9d86c17159e9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3afb407ddd078cf79687b4188c1843b96986e287dcfdc02d84d9d86c17159e9f", kill_on_drop: false }`
[INFO] [stdout] 3afb407ddd078cf79687b4188c1843b96986e287dcfdc02d84d9d86c17159e9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24f5eba70d6294800d2cd471d9e015e6a092eb9f0614b98257615cd4df1b5572
[INFO] running `Command { std: "docker" "start" "-a" "24f5eba70d6294800d2cd471d9e015e6a092eb9f0614b98257615cd4df1b5572", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking h2 v0.3.20
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.18
[INFO] [stderr]     Checking bittorrent-starter-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.99s
[INFO] running `Command { std: "docker" "inspect" "24f5eba70d6294800d2cd471d9e015e6a092eb9f0614b98257615cd4df1b5572", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24f5eba70d6294800d2cd471d9e015e6a092eb9f0614b98257615cd4df1b5572", kill_on_drop: false }`
[INFO] [stdout] 24f5eba70d6294800d2cd471d9e015e6a092eb9f0614b98257615cd4df1b5572