[INFO] cloning repository https://github.com/JesterOrNot/MathExpression
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JesterOrNot/MathExpression" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJesterOrNot%2FMathExpression", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJesterOrNot%2FMathExpression'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6dffc56499e1a3e9f88711583456c8fe19eac9e8
[INFO] checking JesterOrNot/MathExpression against try#575650af7d7ca88602df28e39d27bf3e456c306e for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJesterOrNot%2FMathExpression" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JesterOrNot/MathExpression on toolchain 575650af7d7ca88602df28e39d27bf3e456c306e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JesterOrNot/MathExpression
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/JesterOrNot/MathExpression
[INFO] tweaked toml for git repo https://github.com/JesterOrNot/MathExpression written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/JesterOrNot/MathExpression already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/JesterOrNot/SynTerm.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fixedbitset v0.1.9
[INFO] [stderr]   Downloaded sha2 v0.8.1
[INFO] [stderr]   Downloaded term v0.5.2
[INFO] [stderr]   Downloaded diff v0.1.12
[INFO] [stderr]   Downloaded ascii-canvas v2.0.0
[INFO] [stderr]   Downloaded new_debug_unreachable v1.0.4
[INFO] [stderr]   Downloaded docopt v1.1.0
[INFO] [stderr]   Downloaded bit-vec v0.6.2
[INFO] [stderr]   Downloaded hermit-abi v0.1.12
[INFO] [stderr]   Downloaded ena v0.13.1
[INFO] [stderr]   Downloaded ordermap v0.3.5
[INFO] [stderr]   Downloaded signal-hook v0.1.15
[INFO] [stderr]   Downloaded string_cache v0.7.5
[INFO] [stderr]   Downloaded quote v1.0.4
[INFO] [stderr]   Downloaded lalrpop-util v0.18.1
[INFO] [stderr]   Downloaded lalrpop v0.18.1
[INFO] [stderr]   Downloaded arc-swap v0.4.6
[INFO] [stderr]   Downloaded crossterm v0.17.4
[INFO] [stderr]   Downloaded proc-macro2 v1.0.12
[INFO] [stderr]   Downloaded syn v1.0.19
[INFO] [stderr]   Downloaded petgraph v0.4.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df3006ac1257d69c8b8fc74ac522677c88ce80d7b3d1c21b00984f7c1d2f5b60
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "df3006ac1257d69c8b8fc74ac522677c88ce80d7b3d1c21b00984f7c1d2f5b60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df3006ac1257d69c8b8fc74ac522677c88ce80d7b3d1c21b00984f7c1d2f5b60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df3006ac1257d69c8b8fc74ac522677c88ce80d7b3d1c21b00984f7c1d2f5b60", kill_on_drop: false }`
[INFO] [stdout] df3006ac1257d69c8b8fc74ac522677c88ce80d7b3d1c21b00984f7c1d2f5b60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "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] ba188dad09e0df622344a9f887c723717d4aca70d9f6b610e945c5bf68fbd3ec
[INFO] running `Command { std: "docker" "start" "-a" "ba188dad09e0df622344a9f887c723717d4aca70d9f6b610e945c5bf68fbd3ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling syn v1.0.19
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling bit-vec v0.6.2
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling ena v0.13.1
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]     Checking signal-hook v0.1.15
[INFO] [stderr]    Compiling sha2 v0.8.1
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking crossterm v0.17.4
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling lalrpop-util v0.18.1
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling logos-derive v0.11.5
[INFO] [stderr]     Checking logos v0.11.4
[INFO] [stderr]     Checking synterm v0.3.1 (https://github.com/JesterOrNot/SynTerm.git#047b4d5c)
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling lalrpop v0.18.1
[INFO] [stderr]    Compiling math_expr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 13s
[INFO] running `Command { std: "docker" "inspect" "ba188dad09e0df622344a9f887c723717d4aca70d9f6b610e945c5bf68fbd3ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba188dad09e0df622344a9f887c723717d4aca70d9f6b610e945c5bf68fbd3ec", kill_on_drop: false }`
[INFO] [stdout] ba188dad09e0df622344a9f887c723717d4aca70d9f6b610e945c5bf68fbd3ec