[INFO] cloning repository https://github.com/JohnTheCoolingFan/fargo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JohnTheCoolingFan/fargo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohnTheCoolingFan%2Ffargo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohnTheCoolingFan%2Ffargo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5a90b0c91035250c386d3d098a64a7c5623fafd6
[INFO] checking JohnTheCoolingFan/fargo against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohnTheCoolingFan%2Ffargo" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JohnTheCoolingFan/fargo on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JohnTheCoolingFan/fargo
[INFO] finished tweaking git repo https://github.com/JohnTheCoolingFan/fargo
[INFO] tweaked toml for git repo https://github.com/JohnTheCoolingFan/fargo written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/JohnTheCoolingFan/fargo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ed31a5136e86a0bb4963c67c710cf7772a72597d8c2ed11a9bcc0782da09556
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6ed31a5136e86a0bb4963c67c710cf7772a72597d8c2ed11a9bcc0782da09556", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ed31a5136e86a0bb4963c67c710cf7772a72597d8c2ed11a9bcc0782da09556", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ed31a5136e86a0bb4963c67c710cf7772a72597d8c2ed11a9bcc0782da09556", kill_on_drop: false }`
[INFO] [stdout] 6ed31a5136e86a0bb4963c67c710cf7772a72597d8c2ed11a9bcc0782da09556
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abd6f800bda9d15b969e08c6a4d573e0f638913b25261a9291c69e89d9b4396e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "abd6f800bda9d15b969e08c6a4d573e0f638913b25261a9291c69e89d9b4396e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking tinyvec v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking unicode-normalization v0.1.15
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libssh2-sys v0.2.19
[INFO] [stderr]    Compiling libgit2-sys v0.12.14+1.1.0
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking zip v0.5.8
[INFO] [stderr]     Checking git2 v0.13.12
[INFO] [stderr]     Checking fargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.41s
[INFO] running `Command { std: "docker" "inspect" "abd6f800bda9d15b969e08c6a4d573e0f638913b25261a9291c69e89d9b4396e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abd6f800bda9d15b969e08c6a4d573e0f638913b25261a9291c69e89d9b4396e", kill_on_drop: false }`
[INFO] [stdout] abd6f800bda9d15b969e08c6a4d573e0f638913b25261a9291c69e89d9b4396e