[INFO] cloning repository https://github.com/frankmangone/cryptography-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/frankmangone/cryptography-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrankmangone%2Fcryptography-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrankmangone%2Fcryptography-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8436d7fa9eee70582826123b4f5b78d496c40418
[INFO] checking frankmangone/cryptography-playground against try#4c525d43052e921548191f82f6ed9e2f9e98dcb1 for pr-136988
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrankmangone%2Fcryptography-playground" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] error: unable to write file .gitignore
[INFO] [stderr] error: unable to write file Cargo.lock
[INFO] [stderr] error: unable to write file Cargo.toml
[INFO] [stderr] fatal: cannot create directory at 'src.old': 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 frankmangone/cryptography-playground against try#4c525d43052e921548191f82f6ed9e2f9e98dcb1 for pr-136988
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrankmangone%2Fcryptography-playground" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/frankmangone/cryptography-playground on toolchain 4c525d43052e921548191f82f6ed9e2f9e98dcb1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4c525d43052e921548191f82f6ed9e2f9e98dcb1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/frankmangone/cryptography-playground
[INFO] finished tweaking git repo https://github.com/frankmangone/cryptography-playground
[INFO] tweaked toml for git repo https://github.com/frankmangone/cryptography-playground written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/frankmangone/cryptography-playground 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" "+4c525d43052e921548191f82f6ed9e2f9e98dcb1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:6475c868a6d27846ca172efb246699580b64b57a5b3744ef73949e850a31b38a" "/opt/rustwide/cargo-home/bin/cargo" "+4c525d43052e921548191f82f6ed9e2f9e98dcb1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26276b15ca31776f83ed6b6092625ed30f0047f94e12de33f1f892caa1bc4390
[INFO] running `Command { std: "docker" "start" "-a" "26276b15ca31776f83ed6b6092625ed30f0047f94e12de33f1f892caa1bc4390", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26276b15ca31776f83ed6b6092625ed30f0047f94e12de33f1f892caa1bc4390", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26276b15ca31776f83ed6b6092625ed30f0047f94e12de33f1f892caa1bc4390", kill_on_drop: false }`
[INFO] [stdout] 26276b15ca31776f83ed6b6092625ed30f0047f94e12de33f1f892caa1bc4390
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:6475c868a6d27846ca172efb246699580b64b57a5b3744ef73949e850a31b38a" "/opt/rustwide/cargo-home/bin/cargo" "+4c525d43052e921548191f82f6ed9e2f9e98dcb1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ba702b5b2aa40eb49d554697cdbbf9fc146d054d8c29a14869c7f8ebdd2bb61
[INFO] running `Command { std: "docker" "start" "-a" "2ba702b5b2aa40eb49d554697cdbbf9fc146d054d8c29a14869c7f8ebdd2bb61", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking crypto-bigint v0.5.5
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking cryptography v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `modulo` is never used
[INFO] [stdout]  --> src/modulo/mod.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn modulo(num: &BigInt, modulus: &BigInt) -> BigInt {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gcd` is never used
[INFO] [stdout]  --> src/gcd/mod.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn gcd(a: &BigInt, b: &BigInt) -> BigInt {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.55s
[INFO] running `Command { std: "docker" "inspect" "2ba702b5b2aa40eb49d554697cdbbf9fc146d054d8c29a14869c7f8ebdd2bb61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ba702b5b2aa40eb49d554697cdbbf9fc146d054d8c29a14869c7f8ebdd2bb61", kill_on_drop: false }`
[INFO] [stdout] 2ba702b5b2aa40eb49d554697cdbbf9fc146d054d8c29a14869c7f8ebdd2bb61