[INFO] fetching crate snare 0.4.4...
[INFO] checking snare-0.4.4 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate snare 0.4.4 into /workspace/builds/worker-103/source
[INFO] validating manifest of crates.io crate snare 0.4.4 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate snare 0.4.4
[INFO] finished tweaking crates.io crate snare 0.4.4
[INFO] tweaked toml for crates.io crate snare 0.4.4 written to /workspace/builds/worker-103/source/Cargo.toml
[INFO] crate crates.io crate snare 0.4.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4a07d415f7fd4d57a4a2027bb31c0a9e8466b773fcaed97ee93cec9f49c997a
[INFO] running `Command { std: "docker" "start" "-a" "c4a07d415f7fd4d57a4a2027bb31c0a9e8466b773fcaed97ee93cec9f49c997a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4a07d415f7fd4d57a4a2027bb31c0a9e8466b773fcaed97ee93cec9f49c997a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4a07d415f7fd4d57a4a2027bb31c0a9e8466b773fcaed97ee93cec9f49c997a", kill_on_drop: false }`
[INFO] [stdout] c4a07d415f7fd4d57a4a2027bb31c0a9e8466b773fcaed97ee93cec9f49c997a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b13071a5e4b56cac564bceb95cfcd113386eae83f638fc1e62f946775860e2e
[INFO] running `Command { std: "docker" "start" "-a" "7b13071a5e4b56cac564bceb95cfcd113386eae83f638fc1e62f946775860e2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.105
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling cactus v1.0.6
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling signal-hook v0.3.10
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking http v0.2.5
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]     Checking crypto-mac v0.11.1
[INFO] [stderr]     Checking hmac v0.11.0
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking filetime v0.2.15
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]     Checking nix v0.23.0
[INFO] [stderr]     Checking users v0.11.0
[INFO] [stderr]     Checking secstr v0.4.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling vob v3.0.1
[INFO] [stderr]    Compiling vob v2.0.6
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling globset v0.4.8
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]    Compiling ignore v0.4.18
[INFO] [stderr]    Compiling vergen v3.2.0
[INFO] [stderr]    Compiling rerun_except v1.0.0
[INFO] [stderr]    Compiling lrpar v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling tokio-macros v1.5.0
[INFO] [stderr]     Checking hyper v0.14.14
[INFO] [stderr]    Compiling packedvec v1.2.4
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling sparsevec v0.1.4
[INFO] [stderr]    Compiling cfgrammar v0.10.2
[INFO] [stderr]     Checking lrtable v0.10.2
[INFO] [stderr]     Checking lrlex v0.10.2
[INFO] [stderr]    Compiling snare v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.62s
[INFO] running `Command { std: "docker" "inspect" "7b13071a5e4b56cac564bceb95cfcd113386eae83f638fc1e62f946775860e2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b13071a5e4b56cac564bceb95cfcd113386eae83f638fc1e62f946775860e2e", kill_on_drop: false }`
[INFO] [stdout] 7b13071a5e4b56cac564bceb95cfcd113386eae83f638fc1e62f946775860e2e