[INFO] cloning repository https://github.com/rea1bacon/microgradrust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rea1bacon/microgradrust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frea1bacon%2Fmicrogradrust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frea1bacon%2Fmicrogradrust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3b6662a3c83d45b9203168a90afdfe4599cf1350
[INFO] checking rea1bacon/microgradrust against try#b047d5f4496a7526d91d0dddea494c05853f2a7b for pr-122661-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frea1bacon%2Fmicrogradrust" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] error: unable to write file target/debug/deps/librand_chacha-aa6200d0f2a19d0e.rlib
[INFO] [stderr] error: unable to write file target/debug/deps/librand_chacha-aa6200d0f2a19d0e.rmeta
[INFO] [stderr] error: unable to write file target/debug/deps/librand_core-b30b28b9b72aa149.rlib
[INFO] [stderr] error: unable to write file target/debug/deps/librayon-76ca3cd68fac3803.rlib
[INFO] [stderr] error: unable to write file target/debug/deps/librayon-76ca3cd68fac3803.rmeta
[INFO] [stderr] error: unable to write file target/debug/deps/librayon-8ecd46781f266d9b.rmeta
[INFO] [stderr] error: unable to write file target/debug/deps/librayon_core-13277da35acd8e5f.rlib
[INFO] [stderr] error: unable to write file target/debug/deps/librayon_core-13277da35acd8e5f.rmeta
[INFO] [stderr] error: unable to write file target/debug/deps/librayon_core-86b685192bff2ccd.rmeta
[INFO] [stderr] error: unable to write file target/debug/deps/micrograd-113f57656ab3b9d0.d
[INFO] [stderr] error: unable to write file target/debug/deps/micrograd-113f57656ab3b9d0.exe
[INFO] [stderr] error: unable to write file target/debug/deps/micrograd-113f57656ab3b9d0.pdb
[INFO] [stderr] error: unable to write file target/debug/deps/micrograd-1b30fd6d843e7f54.d
[INFO] [stderr] error: unable to write file target/debug/deps/micrograd-1ed0fcd88535e0c4.d
[INFO] [stderr] error: unable to write file target/debug/deps/micrograd-332ec77b4e17ae6b.d
[INFO] [stderr] error: unable to write file target/debug/deps/micrograd-332ec77b4e17ae6b.exe
[INFO] [stderr] error: unable to write file target/debug/deps/micrograd-332ec77b4e17ae6b.pdb
[INFO] [stderr] error: unable to write file target/debug/deps/micrograd-3dd3b6bffb074129.d
[INFO] [stderr] error: unable to write file target/debug/deps/micrograd-5150664f2f6e27da.d
[INFO] [stderr] error: unable to write file target/debug/deps/micrograd-69aa3278a0d539aa.d
[INFO] [stderr] error: unable to write file target/debug/deps/micrograd-75b9f71addad8663.d
[INFO] [stderr] error: unable to write file target/debug/deps/micrograd-7ad624b72c32a5d0.d
[INFO] [stderr] error: unable to write file target/debug/deps/micrograd-7b586a5b4a6be196.d
[INFO] [stderr] error: unable to write file target/debug/deps/micrograd-9ff73c7811a3f7d3.d
[INFO] [stderr] error: unable to write file target/debug/deps/micrograd-9ff73c7811a3f7d3.exe
[INFO] [stderr] error: unable to write file target/debug/deps/micrograd-9ff73c7811a3f7d3.pdb
[INFO] [stderr] error: unable to write file target/debug/deps/micrograd-ea42b336a83938b6.d
[INFO] [stderr] error: unable to write file target/debug/deps/ppv_lite86-82108b077759d911.d
[INFO] [stderr] error: unable to write file target/debug/deps/ppv_lite86-8e5601b9080248a5.d
[INFO] [stderr] error: unable to write file target/debug/deps/rand-0321190f587a2567.d
[INFO] [stderr] error: unable to write file target/debug/deps/rand-4030c24ccbd6a63f.d
[INFO] [stderr] error: unable to write file target/debug/deps/rand_chacha-8ce824880c5e9c66.d
[INFO] [stderr] error: unable to write file target/debug/deps/rand_chacha-aa6200d0f2a19d0e.d
[INFO] [stderr] error: unable to write file target/debug/deps/rand_core-b30b28b9b72aa149.d
[INFO] [stderr] error: unable to write file target/debug/deps/rand_core-db0004eedf07e780.d
[INFO] [stderr] error: unable to write file target/debug/deps/rayon-76ca3cd68fac3803.d
[INFO] [stderr] error: unable to write file target/debug/deps/rayon-8ecd46781f266d9b.d
[INFO] [stderr] error: unable to write file target/debug/deps/rayon_core-13277da35acd8e5f.d
[INFO] [stderr] error: unable to write file target/debug/deps/rayon_core-86b685192bff2ccd.d
[INFO] [stderr] fatal: cannot create directory at 'target/debug/incremental': No space left on device
[INFO] [stderr] warning: Clone succeeded, but checkout failed.
[INFO] [stderr] You can inspect what was checked out with 'git status'
[INFO] [stderr] and retry with 'git restore --source=HEAD :/'
[INFO] [stderr] 
[INFO] checking rea1bacon/microgradrust against try#b047d5f4496a7526d91d0dddea494c05853f2a7b for pr-122661-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frea1bacon%2Fmicrogradrust" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] error: unable to write file target/debug/deps/librayon-76ca3cd68fac3803.rlib
[INFO] [stderr] error: unable to write file target/debug/deps/librayon-76ca3cd68fac3803.rmeta
[INFO] [stderr] error: unable to write file target/debug/deps/librayon-8ecd46781f266d9b.rmeta
[INFO] [stderr] error: unable to write file target/debug/deps/librayon_core-13277da35acd8e5f.rlib
[INFO] [stderr] error: unable to write file target/debug/deps/librayon_core-13277da35acd8e5f.rmeta
[INFO] [stderr] error: unable to write file target/debug/deps/librayon_core-86b685192bff2ccd.rmeta
[INFO] [stderr] error: unable to write file target/debug/deps/micrograd-113f57656ab3b9d0.d
[INFO] [stderr] error: unable to write file target/debug/deps/micrograd-113f57656ab3b9d0.exe
[INFO] [stderr] error: unable to write file target/debug/deps/micrograd-113f57656ab3b9d0.pdb
[INFO] [stderr] error: unable to write file target/debug/deps/micrograd-1b30fd6d843e7f54.d
[INFO] [stderr] error: unable to write file target/debug/deps/micrograd-1ed0fcd88535e0c4.d
[INFO] [stderr] error: unable to write file target/debug/deps/micrograd-332ec77b4e17ae6b.exe
[INFO] [stderr] error: unable to write file target/debug/deps/micrograd-332ec77b4e17ae6b.pdb
[INFO] [stderr] error: unable to write file target/debug/deps/micrograd-3dd3b6bffb074129.d
[INFO] [stderr] error: unable to write file target/debug/deps/micrograd-5150664f2f6e27da.d
[INFO] [stderr] error: unable to write file target/debug/deps/micrograd-69aa3278a0d539aa.d
[INFO] [stderr] error: unable to write file target/debug/deps/micrograd-75b9f71addad8663.d
[INFO] [stderr] error: unable to write file target/debug/deps/micrograd-7ad624b72c32a5d0.d
[INFO] [stderr] error: unable to write file target/debug/deps/micrograd-7b586a5b4a6be196.d
[INFO] [stderr] error: unable to write file target/debug/deps/micrograd-9ff73c7811a3f7d3.d
[INFO] [stderr] error: unable to write file target/debug/deps/micrograd-9ff73c7811a3f7d3.exe
[INFO] [stderr] fatal: unable to checkout working tree
[INFO] [stderr] warning: Clone succeeded, but checkout failed.
[INFO] [stderr] You can inspect what was checked out with 'git status'
[INFO] [stderr] and retry with 'git restore --source=HEAD :/'
[INFO] [stderr] 
[INFO] checking rea1bacon/microgradrust against try#b047d5f4496a7526d91d0dddea494c05853f2a7b for pr-122661-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frea1bacon%2Fmicrogradrust" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rea1bacon/microgradrust
[INFO] finished tweaking git repo https://github.com/rea1bacon/microgradrust
[INFO] tweaked toml for git repo https://github.com/rea1bacon/microgradrust written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rea1bacon/microgradrust on toolchain b047d5f4496a7526d91d0dddea494c05853f2a7b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rea1bacon/microgradrust 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" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "fetch" "--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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23df4b9f93232090e4049d85f7b10c1c16c53099af5114a77c8130d6d8fb25ef
[INFO] running `Command { std: "docker" "start" "-a" "23df4b9f93232090e4049d85f7b10c1c16c53099af5114a77c8130d6d8fb25ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23df4b9f93232090e4049d85f7b10c1c16c53099af5114a77c8130d6d8fb25ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23df4b9f93232090e4049d85f7b10c1c16c53099af5114a77c8130d6d8fb25ef", kill_on_drop: false }`
[INFO] [stdout] 23df4b9f93232090e4049d85f7b10c1c16c53099af5114a77c8130d6d8fb25ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9b012f4ae1d61a58d66cc195cdb3dfbda3ae13c162e32b2187c49de25cf5fa1
[INFO] running `Command { std: "docker" "start" "-a" "c9b012f4ae1d61a58d66cc195cdb3dfbda3ae13c162e32b2187c49de25cf5fa1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking micrograd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Add`, `Div`, `Mul`, `Neg`, and `Sub`
[INFO] [stdout]  --> src/lib.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 |     ops::{Add, Deref, DerefMut, Div, Mul, Neg, Sub},
[INFO] [stdout]   |           ^^^                   ^^^  ^^^  ^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Add`, `Div`, `Mul`, `Neg`, and `Sub`
[INFO] [stdout]  --> src/lib.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 |     ops::{Add, Deref, DerefMut, Div, Mul, Neg, Sub},
[INFO] [stdout]   |           ^^^                   ^^^  ^^^  ^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.68s
[INFO] running `Command { std: "docker" "inspect" "c9b012f4ae1d61a58d66cc195cdb3dfbda3ae13c162e32b2187c49de25cf5fa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9b012f4ae1d61a58d66cc195cdb3dfbda3ae13c162e32b2187c49de25cf5fa1", kill_on_drop: false }`
[INFO] [stdout] c9b012f4ae1d61a58d66cc195cdb3dfbda3ae13c162e32b2187c49de25cf5fa1