[INFO] cloning repository https://github.com/ftilde/ugdb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ftilde/ugdb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fftilde%2Fugdb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fftilde%2Fugdb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 68d88b8d0da5988fd9a10525d56a6699154113b4
[INFO] checking ftilde/ugdb against try#99a443d6903f71d521237d8acb5a3016b534d17b for pr-83354
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fftilde%2Fugdb" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ftilde/ugdb on toolchain 99a443d6903f71d521237d8acb5a3016b534d17b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ftilde/ugdb
[INFO] finished tweaking git repo https://github.com/ftilde/ugdb
[INFO] tweaked toml for git repo https://github.com/ftilde/ugdb written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/ftilde/ugdb already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ascii-canvas v2.0.0
[INFO] [stderr]   Downloaded rust-argon2 v0.8.2
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[INFO] [stderr]   Downloaded fuchsia-cprng v0.1.1
[INFO] [stderr]   Downloaded opaque-debug v0.2.3
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[INFO] [stderr]   Downloaded syn v0.15.44
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[INFO] [stderr]   Downloaded block-buffer v0.7.3
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[INFO] [stderr]   Downloaded serde v1.0.117
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[INFO] [stderr]   Downloaded matrixmultiply v0.1.15
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[INFO] [stderr]   Downloaded onig_sys v68.2.1
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[INFO] [stderr]   Downloaded unsegen_pager v0.2.0
[INFO] [stderr]   Downloaded flexi_logger v0.11.5
[INFO] [stderr]   Downloaded unsegen_jsonviewer v0.2.0
[INFO] [stderr]   Downloaded rand_core v0.4.2
[INFO] [stderr]   Downloaded proc-macro2 v0.4.30
[INFO] [stderr]   Downloaded arrayref v0.3.6
[INFO] [stderr]   Downloaded rand_core v0.3.1
[INFO] [stderr]   Downloaded regex-syntax v0.4.2
[INFO] [stderr]   Downloaded plist v0.2.4
[INFO] [stderr]   Downloaded linked-hash-map v0.5.3
[INFO] [stderr]   Downloaded pkg-config v0.3.19
[INFO] [stderr]   Downloaded xml-rs v0.7.0
[INFO] [stderr]   Downloaded syn v1.0.48
[INFO] [stderr]   Downloaded rand_isaac v0.1.1
[INFO] [stderr]   Downloaded adler v0.2.3
[INFO] [stderr]   Downloaded flate2 v1.0.19
[INFO] [stderr]   Downloaded num-integer v0.1.44
[INFO] [stderr]   Downloaded num-traits v0.1.43
[INFO] [stderr]   Downloaded syntect v2.1.0
[INFO] [stderr]   Downloaded nom v2.2.1
[INFO] [stderr]   Downloaded safemem v0.2.0
[INFO] [stderr]   Downloaded wasi v0.10.0+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded unsegen_terminal v0.2.1
[INFO] [stderr]   Downloaded rand_os v0.1.3
[INFO] [stderr]   Downloaded bincode v1.3.1
[INFO] [stderr]   Downloaded typenum v1.12.0
[INFO] [stderr]   Downloaded sha2 v0.8.2
[INFO] [stderr]   Downloaded rand_pcg v0.1.2
[INFO] [stderr]   Downloaded string_cache v0.7.5
[INFO] [stderr]   Downloaded rdrand v0.4.0
[INFO] [stderr]   Downloaded arrayvec v0.5.2
[INFO] [stderr]   Downloaded structopt-derive v0.2.18
[INFO] [stderr]   Downloaded crc32fast v1.2.1
[INFO] [stderr]   Downloaded fnv v1.0.7
[INFO] [stderr]   Downloaded time v0.1.44
[INFO] [stderr]   Downloaded chrono v0.4.19
[INFO] [stderr]   Downloaded phf_shared v0.7.24
[INFO] [stderr]   Downloaded string_cache_shared v0.3.0
[INFO] [stderr]   Downloaded getrandom v0.1.15
[INFO] [stderr]   Downloaded lalrpop-util v0.18.1
[INFO] [stderr]   Downloaded unix_socket v0.5.0
[INFO] [stderr]   Downloaded toml v0.4.10
[INFO] [stderr]   Downloaded yaml-rust v0.4.4
[INFO] [stderr]   Downloaded cfg-if v1.0.0
[INFO] [stderr]   Downloaded unsegen v0.2.5
[INFO] [stderr]   Downloaded ndarray v0.8.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39ad860668948bb101f2ca2c82d49852c313c565f37e7ba6c57e967ef93e0d3a
[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" "39ad860668948bb101f2ca2c82d49852c313c565f37e7ba6c57e967ef93e0d3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39ad860668948bb101f2ca2c82d49852c313c565f37e7ba6c57e967ef93e0d3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39ad860668948bb101f2ca2c82d49852c313c565f37e7ba6c57e967ef93e0d3a", kill_on_drop: false }`
[INFO] [stdout] 39ad860668948bb101f2ca2c82d49852c313c565f37e7ba6c57e967ef93e0d3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8fa88faa1e0b9a0f188578ec40c6785e301313657ec132c75e6581127285be2a
[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" "8fa88faa1e0b9a0f188578ec40c6785e301313657ec132c75e6581127285be2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling ndarray v0.8.4
[INFO] [stderr]    Compiling cc v1.0.62
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]     Checking smallvec v0.3.4
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling plist v0.2.4
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling bit-vec v0.6.2
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling lalrpop-util v0.18.1
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking regex-syntax v0.4.2
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking utf8parse v0.1.1
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking json v0.11.15
[INFO] [stderr]     Checking nom v2.2.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]     Checking itertools v0.5.10
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]     Checking vte v0.3.3
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking bit-set v0.4.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]     Checking xml-rs v0.7.0
[INFO] [stderr]    Compiling ena v0.13.1
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling nix v0.7.0
[INFO] [stderr]     Checking base64 v0.8.0
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling onig_sys v68.2.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]     Checking addr2line v0.14.0
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking backtrace v0.3.54
[INFO] [stderr]     Checking unix_socket v0.5.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking chan v0.1.23
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]     Checking chan-signal v0.3.3
[INFO] [stderr]     Checking flexi_logger v0.11.5
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]     Checking onig v3.2.2
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking raw_tty v0.1.0
[INFO] [stderr]     Checking unsegen v0.2.5
[INFO] [stderr]     Checking unsegen_terminal v0.2.1
[INFO] [stderr]     Checking unsegen_signals v0.2.0
[INFO] [stderr]     Checking unsegen_jsonviewer v0.2.0
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]     Checking syntect v2.1.0
[INFO] [stderr]    Compiling lalrpop v0.18.1
[INFO] [stderr]     Checking unsegen_pager v0.2.0
[INFO] [stderr]    Compiling ugdb v0.1.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 43s
[INFO] running `Command { std: "docker" "inspect" "8fa88faa1e0b9a0f188578ec40c6785e301313657ec132c75e6581127285be2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fa88faa1e0b9a0f188578ec40c6785e301313657ec132c75e6581127285be2a", kill_on_drop: false }`
[INFO] [stdout] 8fa88faa1e0b9a0f188578ec40c6785e301313657ec132c75e6581127285be2a