[INFO] cloning repository https://github.com/slice/havoc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/slice/havoc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslice%2Fhavoc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslice%2Fhavoc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] caeaa96e9486464157933db600995a211d6be915
[INFO] checking slice/havoc against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslice%2Fhavoc" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/slice/havoc on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/slice/havoc
[INFO] finished tweaking git repo https://github.com/slice/havoc
[INFO] tweaked toml for git repo https://github.com/slice/havoc written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/slice/havoc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--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 swc_visit_macros v0.2.3
[INFO] [stderr]   Downloaded string_enum v0.3.1
[INFO] [stderr]   Downloaded swc_atoms v0.2.6
[INFO] [stderr]   Downloaded enum_kind v0.2.1
[INFO] [stderr]   Downloaded curl v0.4.35
[INFO] [stderr]   Downloaded ast_node v0.7.3
[INFO] [stderr]   Downloaded from_variant v0.1.3
[INFO] [stderr]   Downloaded swc_visit v0.2.4
[INFO] [stderr]   Downloaded swc_ecma_parser v0.54.4
[INFO] [stderr]   Downloaded is-macro v0.1.9
[INFO] [stderr]   Downloaded swc_common v0.10.17
[INFO] [stderr]   Downloaded isahc v1.3.1
[INFO] [stderr]   Downloaded swc_eq_ignore_macros v0.1.0
[INFO] [stderr]   Downloaded swc_ecma_ast v0.43.1
[INFO] [stderr]   Downloaded swc_ecma_visit v0.29.1
[INFO] [stderr]   Downloaded swc_macros_common v0.3.3
[INFO] [stderr]   Downloaded pmutil v0.5.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec91e9dffc96a08348360d241cdf0559b52132c4eca8a1d3a7313e34021dc6a3
[INFO] running `Command { std: "docker" "start" "-a" "ec91e9dffc96a08348360d241cdf0559b52132c4eca8a1d3a7313e34021dc6a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec91e9dffc96a08348360d241cdf0559b52132c4eca8a1d3a7313e34021dc6a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec91e9dffc96a08348360d241cdf0559b52132c4eca8a1d3a7313e34021dc6a3", kill_on_drop: false }`
[INFO] [stdout] ec91e9dffc96a08348360d241cdf0559b52132c4eca8a1d3a7313e34021dc6a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ccbc9fcad9031a7734d9af3c582c8d83477da11138904253adc15a212111a953
[INFO] running `Command { std: "docker" "start" "-a" "ccbc9fcad9031a7734d9af3c582c8d83477da11138904253adc15a212111a953", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.65
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling siphasher v0.3.5
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking futures-core v0.3.14
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling curl v0.4.35
[INFO] [stderr]     Checking futures-io v0.3.14
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]    Compiling isahc v1.3.1
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking fastrand v1.4.1
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking if_chain v1.0.1
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.6+1.43.0
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking sharded-slab v0.1.1
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking phf_shared v0.8.0
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking encoding_rs v0.8.28
[INFO] [stderr]     Checking futures-channel v0.3.14
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking sluice v0.5.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]    Compiling openssl-sys v0.9.61
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling curl-sys v0.4.42+curl-7.76.0
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking url v2.2.1
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking polling v2.0.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling regex v1.4.6
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]    Compiling swc_atoms v0.2.6
[INFO] [stderr]    Compiling pmutil v0.5.3
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling swc_macros_common v0.3.3
[INFO] [stderr]    Compiling swc_visit_macros v0.2.3
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling from_variant v0.1.3
[INFO] [stderr]    Compiling swc_eq_ignore_macros v0.1.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling string_enum v0.3.1
[INFO] [stderr]    Compiling is-macro v0.1.9
[INFO] [stderr]    Compiling enum_kind v0.2.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking pin-project v1.0.7
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling ast_node v0.7.3
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking swc_visit v0.2.4
[INFO] [stderr]     Checking string_cache v0.8.1
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking swc_common v0.10.17
[INFO] [stderr]     Checking tracing-subscriber v0.2.19
[INFO] [stderr]     Checking swc_ecma_ast v0.43.1
[INFO] [stderr]     Checking swc_ecma_visit v0.29.1
[INFO] [stderr]     Checking swc_ecma_parser v0.54.4
[INFO] [stderr]     Checking havoc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 37s
[INFO] running `Command { std: "docker" "inspect" "ccbc9fcad9031a7734d9af3c582c8d83477da11138904253adc15a212111a953", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccbc9fcad9031a7734d9af3c582c8d83477da11138904253adc15a212111a953", kill_on_drop: false }`
[INFO] [stdout] ccbc9fcad9031a7734d9af3c582c8d83477da11138904253adc15a212111a953