[INFO] cloning repository https://github.com/iuribrindeiro/rust-rop
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iuribrindeiro/rust-rop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiuribrindeiro%2Frust-rop", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiuribrindeiro%2Frust-rop'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0a3fe951fb90f9ca3c780cb28d3b2c5963acba05
[INFO] checking iuribrindeiro/rust-rop against try#a75eafceea413a1b40c0e0769db85e08ec17160b for pr-133925
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiuribrindeiro%2Frust-rop" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iuribrindeiro/rust-rop on toolchain a75eafceea413a1b40c0e0769db85e08ec17160b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a75eafceea413a1b40c0e0769db85e08ec17160b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/iuribrindeiro/rust-rop
[INFO] finished tweaking git repo https://github.com/iuribrindeiro/rust-rop
[INFO] tweaked toml for git repo https://github.com/iuribrindeiro/rust-rop written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/iuribrindeiro/rust-rop 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" "+a75eafceea413a1b40c0e0769db85e08ec17160b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a75eafceea413a1b40c0e0769db85e08ec17160b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/6975cf0002ede686ab21f765da5593198d041e8bd8ae5bb573531ccf72e72e42-init/merged/dev/pts: no space left on device
[INFO] checking iuribrindeiro/rust-rop against try#a75eafceea413a1b40c0e0769db85e08ec17160b for pr-133925
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiuribrindeiro%2Frust-rop" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iuribrindeiro/rust-rop on toolchain a75eafceea413a1b40c0e0769db85e08ec17160b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a75eafceea413a1b40c0e0769db85e08ec17160b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/iuribrindeiro/rust-rop
[INFO] finished tweaking git repo https://github.com/iuribrindeiro/rust-rop
[INFO] tweaked toml for git repo https://github.com/iuribrindeiro/rust-rop written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/iuribrindeiro/rust-rop 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" "+a75eafceea413a1b40c0e0769db85e08ec17160b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a75eafceea413a1b40c0e0769db85e08ec17160b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 126b0d03cdcf8542fc9fdff7aa69174a4ab45b1ebb6cd360209fe9c46b7ea18d
[INFO] running `Command { std: "docker" "start" "-a" "126b0d03cdcf8542fc9fdff7aa69174a4ab45b1ebb6cd360209fe9c46b7ea18d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "126b0d03cdcf8542fc9fdff7aa69174a4ab45b1ebb6cd360209fe9c46b7ea18d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "126b0d03cdcf8542fc9fdff7aa69174a4ab45b1ebb6cd360209fe9c46b7ea18d", kill_on_drop: false }`
[INFO] [stdout] 126b0d03cdcf8542fc9fdff7aa69174a4ab45b1ebb6cd360209fe9c46b7ea18d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a75eafceea413a1b40c0e0769db85e08ec17160b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8242de87cfa22e9faad2a200fbd2cba47a869f2a8c913252cc071191db536151
[INFO] running `Command { std: "docker" "start" "-a" "8242de87cfa22e9faad2a200fbd2cba47a869f2a8c913252cc071191db536151", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-rop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `tap_r` is never used
[INFO] [stdout]   --> src/rop.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait TapR<TResult, TErr> {
[INFO] [stdout]    |           ---- method in this trait
[INFO] [stdout] 12 |     fn tap_r(self, func: fn(&TResult) -> ()) -> RopResult<TResult, TErr>;
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `tap_r` is never used
[INFO] [stdout]   --> src/rop.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait TapR<TResult, TErr> {
[INFO] [stdout]    |           ---- method in this trait
[INFO] [stdout] 12 |     fn tap_r(self, func: fn(&TResult) -> ()) -> RopResult<TResult, TErr>;
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "8242de87cfa22e9faad2a200fbd2cba47a869f2a8c913252cc071191db536151", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8242de87cfa22e9faad2a200fbd2cba47a869f2a8c913252cc071191db536151", kill_on_drop: false }`
[INFO] [stdout] 8242de87cfa22e9faad2a200fbd2cba47a869f2a8c913252cc071191db536151