[INFO] cloning repository https://github.com/moyix/synthehol
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/moyix/synthehol" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoyix%2Fsynthehol", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoyix%2Fsynthehol'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3845971ebaf88033e36cfcfde48d1f088d6b1fd6
[INFO] checking moyix/synthehol against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoyix%2Fsynthehol" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/moyix/synthehol on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/moyix/synthehol
[INFO] finished tweaking git repo https://github.com/moyix/synthehol
[INFO] tweaked toml for git repo https://github.com/moyix/synthehol written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/moyix/synthehol already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bcfcbd3e70ede65382e665184009a417f7be7de9b188cbe8200c7438f4eb79cb
[INFO] running `Command { std: "docker" "start" "-a" "bcfcbd3e70ede65382e665184009a417f7be7de9b188cbe8200c7438f4eb79cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcfcbd3e70ede65382e665184009a417f7be7de9b188cbe8200c7438f4eb79cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcfcbd3e70ede65382e665184009a417f7be7de9b188cbe8200c7438f4eb79cb", kill_on_drop: false }`
[INFO] [stdout] bcfcbd3e70ede65382e665184009a417f7be7de9b188cbe8200c7438f4eb79cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 32af28612af7f80bc21c1fc2b4257131106468dc9548b6f068598b2777d70f07
[INFO] running `Command { std: "docker" "start" "-a" "32af28612af7f80bc21c1fc2b4257131106468dc9548b6f068598b2777d70f07", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling z3-sys v0.6.2
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]     Checking id-arena v2.2.1
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]    Compiling hashbrown v0.8.1
[INFO] [stderr]    Compiling indexmap v1.5.0
[INFO] [stderr]     Checking ena v0.14.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking z3 v0.6.0
[INFO] [stderr]     Checking ascii-canvas v2.0.0
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking lalrpop-util v0.19.0
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking docopt v1.1.0
[INFO] [stderr]     Checking string_cache v0.8.0
[INFO] [stderr]     Checking lalrpop v0.19.0
[INFO] [stderr]    Compiling synthehol v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 13s
[INFO] running `Command { std: "docker" "inspect" "32af28612af7f80bc21c1fc2b4257131106468dc9548b6f068598b2777d70f07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32af28612af7f80bc21c1fc2b4257131106468dc9548b6f068598b2777d70f07", kill_on_drop: false }`
[INFO] [stdout] 32af28612af7f80bc21c1fc2b4257131106468dc9548b6f068598b2777d70f07