[INFO] cloning repository https://github.com/sleepy771/Subnetizers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sleepy771/Subnetizers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsleepy771%2FSubnetizers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsleepy771%2FSubnetizers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ed451b21dc26e5b181d8c2c501c07bb40446cb23
[INFO] checking sleepy771/Subnetizers against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsleepy771%2FSubnetizers" "/workspace/builds/worker-48/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-48/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sleepy771/Subnetizers 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/sleepy771/Subnetizers
[INFO] finished tweaking git repo https://github.com/sleepy771/Subnetizers
[INFO] tweaked toml for git repo https://github.com/sleepy771/Subnetizers written to /workspace/builds/worker-48/source/Cargo.toml
[INFO] crate git repo https://github.com/sleepy771/Subnetizers 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 ref_slice v1.1.1
[INFO] [stderr]   Downloaded twox-hash v1.1.0
[INFO] [stderr]   Downloaded flate2 v0.2.20
[INFO] [stderr]   Downloaded kafka v0.7.0
[INFO] [stderr]   Downloaded syn v0.12.15
[INFO] [stderr]   Downloaded backtrace v0.3.5
[INFO] [stderr]   Downloaded crc v1.7.0
[INFO] [stderr]   Downloaded crossbeam v0.3.2
[INFO] [stderr]   Downloaded build_const v0.2.0
[INFO] [stderr]   Downloaded chrono v0.4.1
[INFO] [stderr]   Downloaded backtrace-sys v0.1.16
[INFO] [stderr]   Downloaded openssl-sys v0.9.27
[INFO] [stderr]   Downloaded snap v0.2.4
[INFO] [stderr]   Downloaded log-mdc v0.1.0
[INFO] [stderr]   Downloaded unreachable v0.1.1
[INFO] [stderr]   Downloaded quote v0.4.2
[INFO] [stderr]   Downloaded miniz-sys v0.1.10
[INFO] [stderr]   Downloaded flate2 v1.0.1
[INFO] [stderr]   Downloaded num-integer v0.1.36
[INFO] [stderr]   Downloaded serde v1.0.36
[INFO] [stderr]   Downloaded serde-value v0.5.1
[INFO] [stderr]   Downloaded proc-macro2 v0.2.3
[INFO] [stderr]   Downloaded log4rs v0.8.0
[INFO] [stderr]   Downloaded num-traits v0.2.2
[INFO] [stderr]   Downloaded ordered-float v0.5.0
[INFO] [stderr]   Downloaded serde_derive v1.0.36
[INFO] [stderr]   Downloaded cc v1.0.9
[INFO] [stderr]   Downloaded serde_json v1.0.13
[INFO] [stderr]   Downloaded serde_yaml v0.7.3
[INFO] [stderr]   Downloaded rustc-demangle v0.1.7
[INFO] [stderr]   Downloaded serde_derive_internals v0.22.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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] 011f25244388df956e697e5254a369f4d8195c8208a2be2ae0f99dc57d22856d
[INFO] running `Command { std: "docker" "start" "-a" "011f25244388df956e697e5254a369f4d8195c8208a2be2ae0f99dc57d22856d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "011f25244388df956e697e5254a369f4d8195c8208a2be2ae0f99dc57d22856d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "011f25244388df956e697e5254a369f4d8195c8208a2be2ae0f99dc57d22856d", kill_on_drop: false }`
[INFO] [stdout] 011f25244388df956e697e5254a369f4d8195c8208a2be2ae0f99dc57d22856d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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] e8463f46e13d57de8031fa49c562747134b7dea4690f58c56677a7a70c0b6f96
[INFO] running `Command { std: "docker" "start" "-a" "e8463f46e13d57de8031fa49c562747134b7dea4690f58c56677a7a70c0b6f96", 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" "e8463f46e13d57de8031fa49c562747134b7dea4690f58c56677a7a70c0b6f96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8463f46e13d57de8031fa49c562747134b7dea4690f58c56677a7a70c0b6f96", kill_on_drop: false }`
[INFO] [stdout] e8463f46e13d57de8031fa49c562747134b7dea4690f58c56677a7a70c0b6f96