[INFO] cloning repository https://github.com/neysofu/fasters
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/neysofu/fasters" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneysofu%2Ffasters", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneysofu%2Ffasters'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 36b40f3d34cc9af46acc7f60d2f3ae517fa8c0ee
[INFO] testing neysofu/fasters against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneysofu%2Ffasters" "/workspace/builds/worker-43/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-43/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/neysofu/fasters on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/neysofu/fasters
[INFO] finished tweaking git repo https://github.com/neysofu/fasters
[INFO] tweaked toml for git repo https://github.com/neysofu/fasters written to /workspace/builds/worker-43/source/Cargo.toml
[INFO] crate git repo https://github.com/neysofu/fasters already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f65ff94b7d369b65ef4011ff99ce720db4fc47c04e1f122490604c37b69db077
[INFO] running `Command { std: "docker" "start" "-a" "f65ff94b7d369b65ef4011ff99ce720db4fc47c04e1f122490604c37b69db077", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f65ff94b7d369b65ef4011ff99ce720db4fc47c04e1f122490604c37b69db077", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f65ff94b7d369b65ef4011ff99ce720db4fc47c04e1f122490604c37b69db077", kill_on_drop: false }`
[INFO] [stdout] f65ff94b7d369b65ef4011ff99ce720db4fc47c04e1f122490604c37b69db077
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4eaef8cebb81d8bd2527563d7d5ca8c46c0bcfd6f3c00dd434d56b8d238d163d
[INFO] running `Command { std: "docker" "start" "-a" "4eaef8cebb81d8bd2527563d7d5ca8c46c0bcfd6f3c00dd434d56b8d238d163d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling smallvec v1.6.0
[INFO] [stderr]    Compiling bytes v1.0.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling futures-io v0.3.8
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]    Compiling whoami v1.1.2
[INFO] [stderr]    Compiling ahash v0.4.7
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling cpuid-bool v0.1.2
[INFO] [stderr]    Compiling subtle v2.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling unicode_categories v0.1.1
[INFO] [stderr]    Compiling xmlparser v0.13.3
[INFO] [stderr]    Compiling radium v0.4.1
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling byteorder v1.4.2
[INFO] [stderr]    Compiling dotenv v0.15.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling futures-timer v3.0.2
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]    Compiling nohash-hasher v0.2.0
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling strum v0.22.0
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]    Compiling ord_subset v3.1.1
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling strum v0.20.0
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling fefixp v0.1.0 (/opt/rustwide/workdir/crates/fefixp)
[INFO] [stderr]    Compiling fefixs v0.1.0 (/opt/rustwide/workdir/crates/fefixs)
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling tinyvec v1.1.1
[INFO] [stderr]    Compiling futures-channel v0.3.8
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling ahash v0.7.2
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling decimal v2.1.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling mio v0.7.7
[INFO] [stderr]    Compiling quick-xml v0.22.0
[INFO] [stderr] error: could not compile `rustc-serialize`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name rustc_serialize /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.24/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=306a29a12f142e2b -C extra-filename=-306a29a12f142e2b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field is never read: `next_seq_number`
[INFO] [stdout]   --> crates/fefixp/src/lib.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     next_seq_number: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `session_id`
[INFO] [stdout]   --> crates/fefixp/src/lib.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     session_id: SessionId,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `next_seq_number`
[INFO] [stdout]   --> crates/fefixp/src/lib.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     next_seq_number: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `encoding_type`
[INFO] [stdout]   --> crates/fefixp/src/lib.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     encoding_type: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `effective_time`
[INFO] [stdout]   --> crates/fefixp/src/lib.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     effective_time: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `version`
[INFO] [stdout]   --> crates/fefixp/src/lib.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     version: Vec<u8>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `template`
[INFO] [stdout]   --> crates/fefixp/src/lib.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     template: Vec<u8>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `session_id`
[INFO] [stdout]   --> crates/fefixp/src/lib.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     session_id: SessionId,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `client_flow`
[INFO] [stdout]   --> crates/fefixp/src/lib.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     client_flow: FlowType,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `credentials`
[INFO] [stdout]   --> crates/fefixp/src/lib.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     credentials: Option<Vec<u8>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `session_id`
[INFO] [stdout]   --> crates/fefixp/src/lib.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     session_id: SessionId,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `reason`
[INFO] [stdout]   --> crates/fefixp/src/lib.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     reason: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `session_id`
[INFO] [stdout]   --> crates/fefixp/src/lib.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     session_id: SessionId,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `next_seq_number`
[INFO] [stdout]   --> crates/fefixp/src/lib.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     next_seq_number: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `credentials`
[INFO] [stdout]   --> crates/fefixp/src/lib.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     credentials: Option<Vec<u8>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `next_seq_number`
[INFO] [stdout]   --> crates/fefixp/src/lib.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 64 |     next_seq_number: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "4eaef8cebb81d8bd2527563d7d5ca8c46c0bcfd6f3c00dd434d56b8d238d163d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4eaef8cebb81d8bd2527563d7d5ca8c46c0bcfd6f3c00dd434d56b8d238d163d", kill_on_drop: false }`
[INFO] [stdout] 4eaef8cebb81d8bd2527563d7d5ca8c46c0bcfd6f3c00dd434d56b8d238d163d