[INFO] cloning repository https://github.com/Pratyush/snark-tutorial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Pratyush/snark-tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPratyush%2Fsnark-tutorial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPratyush%2Fsnark-tutorial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 167402d477dff2def4ee95c58d2e41c84be0ac77
[INFO] testing Pratyush/snark-tutorial against master#0d13f6afeba4935499abe0c9a07426c94492c94e for pr-96025
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPratyush%2Fsnark-tutorial" "/workspace/builds/worker-28/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-28/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Pratyush/snark-tutorial on toolchain 0d13f6afeba4935499abe0c9a07426c94492c94e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Pratyush/snark-tutorial
[INFO] finished tweaking git repo https://github.com/Pratyush/snark-tutorial
[INFO] tweaked toml for git repo https://github.com/Pratyush/snark-tutorial written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate git repo https://github.com/Pratyush/snark-tutorial already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/scipr-lab/zexe`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nibble_vec v0.0.4
[INFO] [stderr]   Downloaded endian-type v0.1.2
[INFO] [stderr]   Downloaded blake2 v0.7.1
[INFO] [stderr]   Downloaded radix_trie v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6b59bbbc703f47bcf82ffbd19c379aa18b1093b37694c152d3b2f8c89fe297f
[INFO] running `Command { std: "docker" "start" "-a" "f6b59bbbc703f47bcf82ffbd19c379aa18b1093b37694c152d3b2f8c89fe297f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6b59bbbc703f47bcf82ffbd19c379aa18b1093b37694c152d3b2f8c89fe297f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6b59bbbc703f47bcf82ffbd19c379aa18b1093b37694c152d3b2f8c89fe297f", kill_on_drop: false }`
[INFO] [stdout] f6b59bbbc703f47bcf82ffbd19c379aa18b1093b37694c152d3b2f8c89fe297f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e84d3a32117e1d927d02f6dc70af486829877b0c9f7f120f19836183d2af7285
[INFO] running `Command { std: "docker" "start" "-a" "e84d3a32117e1d927d02f6dc70af486829877b0c9f7f120f19836183d2af7285", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling nibble_vec v0.0.4
[INFO] [stderr]    Compiling constant_time_eq v0.1.4
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling byte-tools v0.2.0
[INFO] [stderr]    Compiling bench-utils v0.1.0 (https://github.com/scipr-lab/zexe#2e8b03a1)
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling radix_trie v0.1.5
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling num_cpus v1.11.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling generic-array v0.9.0
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling digest v0.7.6
[INFO] [stderr]    Compiling crypto-mac v0.5.2
[INFO] [stderr]    Compiling derivative v1.0.3
[INFO] [stderr]    Compiling crossbeam-deque v0.7.2
[INFO] [stderr]    Compiling blake2 v0.7.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling rayon v1.2.0
[INFO] [stderr]    Compiling algebra v0.1.0 (https://github.com/scipr-lab/zexe#2e8b03a1)
[INFO] [stderr]    Compiling r1cs-core v0.1.0 (https://github.com/scipr-lab/zexe#2e8b03a1)
[INFO] [stderr]    Compiling ff-fft v0.1.0 (https://github.com/scipr-lab/zexe#2e8b03a1)
[INFO] [stderr]    Compiling r1cs-std v0.1.0 (https://github.com/scipr-lab/zexe#2e8b03a1)
[INFO] [stderr]    Compiling gm17 v0.1.0 (https://github.com/scipr-lab/zexe#2e8b03a1)
[INFO] [stderr]    Compiling crypto-primitives v0.1.0 (https://github.com/scipr-lab/zexe#2e8b03a1)
[INFO] [stderr]    Compiling snark-tutorial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 27s
[INFO] running `Command { std: "docker" "inspect" "e84d3a32117e1d927d02f6dc70af486829877b0c9f7f120f19836183d2af7285", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e84d3a32117e1d927d02f6dc70af486829877b0c9f7f120f19836183d2af7285", kill_on_drop: false }`
[INFO] [stdout] e84d3a32117e1d927d02f6dc70af486829877b0c9f7f120f19836183d2af7285
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d5a3d53778af52a98f5ebb52ac02348543c49fce8f36449cff5334a51b8727c
[INFO] running `Command { std: "docker" "start" "-a" "7d5a3d53778af52a98f5ebb52ac02348543c49fce8f36449cff5334a51b8727c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "7d5a3d53778af52a98f5ebb52ac02348543c49fce8f36449cff5334a51b8727c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d5a3d53778af52a98f5ebb52ac02348543c49fce8f36449cff5334a51b8727c", kill_on_drop: false }`
[INFO] [stdout] 7d5a3d53778af52a98f5ebb52ac02348543c49fce8f36449cff5334a51b8727c