[INFO] cloning repository https://github.com/Luminarys/synapse
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Luminarys/synapse" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLuminarys%2Fsynapse", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLuminarys%2Fsynapse'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 57b3204ecf486b489aa37a63441a2e472064488e
[INFO] checking Luminarys/synapse against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLuminarys%2Fsynapse" "/workspace/builds/worker-119/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-119/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Luminarys/synapse on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Luminarys/synapse
[INFO] finished tweaking git repo https://github.com/Luminarys/synapse
[INFO] tweaked toml for git repo https://github.com/Luminarys/synapse written to /workspace/builds/worker-119/source/Cargo.toml
[INFO] crate git repo https://github.com/Luminarys/synapse already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "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 metrohash v1.0.6
[INFO] [stderr]   Downloaded platina v0.1.0
[INFO] [stderr]   Downloaded amy v0.10.0
[INFO] [stderr]   Downloaded ureq v1.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52cb22f657f3765a001739c12e2b875d1b134cd0ff8fdf532913d54c9391ce6e
[INFO] running `Command { std: "docker" "start" "-a" "52cb22f657f3765a001739c12e2b875d1b134cd0ff8fdf532913d54c9391ce6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52cb22f657f3765a001739c12e2b875d1b134cd0ff8fdf532913d54c9391ce6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52cb22f657f3765a001739c12e2b875d1b134cd0ff8fdf532913d54c9391ce6e", kill_on_drop: false }`
[INFO] [stdout] 52cb22f657f3765a001739c12e2b875d1b134cd0ff8fdf532913d54c9391ce6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2228e1a22b9166754694d6039d0bbdf4eef49d367b97f48ccd774b88b20845a6
[INFO] running `Command { std: "docker" "start" "-a" "2228e1a22b9166754694d6039d0bbdf4eef49d367b97f48ccd774b88b20845a6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking synapse-bencode v0.1.0 (/opt/rustwide/workdir/bencode)
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling nix v0.11.1
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking chunked_transfer v1.2.0
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]     Checking assert_matches v1.3.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking metrohash v1.0.6
[INFO] [stderr]     Checking http-range v0.1.1
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking fs_extra v1.1.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking base32 v0.3.1
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking platina v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling generic-array v0.14.3
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]     Checking resolv-conf v0.7.0
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking qstring v0.7.2
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking dns-parser v0.7.1
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking synapse-protocol v0.1.0 (/opt/rustwide/workdir/protocol)
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking adns v0.1.0 (/opt/rustwide/workdir/adns)
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]    Compiling synapse-bt v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking sha-1 v0.9.1
[INFO] [stderr]     Checking num-integer v0.1.42
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking shellexpand v1.1.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking url_serde v0.2.0
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking tungstenite v0.11.1
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking ctrlc v3.1.6
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]     Checking rustls v0.18.0
[INFO] [stderr]     Checking webpki-roots v0.20.0
[INFO] [stderr]     Checking amy v0.10.0
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]     Checking sstream v0.1.0 (/opt/rustwide/workdir/sstream)
[INFO] [stderr]     Checking ureq v1.4.0
[INFO] [stderr]     Checking synapse-rpc v0.1.21 (/opt/rustwide/workdir/rpc)
[INFO] [stderr]     Checking synapse-session v0.1.0 (/opt/rustwide/workdir/session)
[INFO] [stderr]     Checking sycli v0.1.0 (/opt/rustwide/workdir/sycli)
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]    --> src/util/http.rs:143:13
[INFO] [stdout]     |
[INFO] [stdout] 143 |         let req = RequestBuilder::new("GET", "/foobar/baz", None)
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.39s
[INFO] running `Command { std: "docker" "inspect" "2228e1a22b9166754694d6039d0bbdf4eef49d367b97f48ccd774b88b20845a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2228e1a22b9166754694d6039d0bbdf4eef49d367b97f48ccd774b88b20845a6", kill_on_drop: false }`
[INFO] [stdout] 2228e1a22b9166754694d6039d0bbdf4eef49d367b97f48ccd774b88b20845a6