[INFO] updating cached repository https://github.com/dekonoplyov/bittorrust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4cae1b582254857df574c5aae856dd34ffa4995d
[INFO] checking dekonoplyov/bittorrust against try#f149601db42efe10ece8b284ab681fd4a6fcb89c for pr-68766
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdekonoplyov%2Fbittorrust" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dekonoplyov/bittorrust on toolchain f149601db42efe10ece8b284ab681fd4a6fcb89c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/dekonoplyov/bittorrust
[INFO] finished tweaking git repo https://github.com/dekonoplyov/bittorrust
[INFO] tweaked toml for git repo https://github.com/dekonoplyov/bittorrust written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/dekonoplyov/bittorrust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4b479c89b4cdd37baa4a0bbdd674ca619a794d75ce710f0b63774f7ddfb6770a
[INFO] running `"docker" "start" "-a" "4b479c89b4cdd37baa4a0bbdd674ca619a794d75ce710f0b63774f7ddfb6770a"`
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]     Checking bytes v0.5.3
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]     Checking arc-swap v0.4.4
[INFO] [stderr]     Checking pin-project-lite v0.1.2
[INFO] [stderr]    Compiling openssl v0.10.26
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]     Checking smallvec v1.1.0
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking dtoa v0.4.4
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]    Compiling openssl-sys v0.9.53
[INFO] [stderr]    Compiling indexmap v1.3.1
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking unicode-normalization v0.1.11
[INFO] [stderr]     Checking http v0.2.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]    Compiling mime_guess v2.0.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]    Compiling tokio-macros v0.2.3
[INFO] [stderr]    Compiling pin-project-internal v0.4.6
[INFO] [stderr]     Checking tokio v0.2.9
[INFO] [stderr]     Checking pin-project v0.4.6
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.2.1
[INFO] [stderr]     Checking hyper v0.13.1
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking reqwest v0.10.1
[INFO] [stderr]     Checking bittorrust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `failure`
[INFO] [stderr]   --> src/tracker.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn failure(&self) -> Option<&ByteString> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `interval`
[INFO] [stderr]   --> src/tracker.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn interval(&self) -> i32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `incomplete`
[INFO] [stderr]   --> src/tracker.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn incomplete(&self) -> i32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `complete`
[INFO] [stderr]   --> src/tracker.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub fn complete(&self) -> i32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `piece_length`
[INFO] [stderr]   --> src/tracker.rs:92:5
[INFO] [stderr]    |
[INFO] [stderr] 92 |     piece_length: i32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `pieces`
[INFO] [stderr]   --> src/tracker.rs:93:5
[INFO] [stderr]    |
[INFO] [stderr] 93 |     pieces: Vec<String>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `output_file`
[INFO] [stderr]   --> src/tracker.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     output_file: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `unwrap`
[INFO] [stderr]   --> src/util.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn unwrap(self) -> Vec<u8> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `failure`
[INFO] [stderr]   --> src/tracker.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn failure(&self) -> Option<&ByteString> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `interval`
[INFO] [stderr]   --> src/tracker.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn interval(&self) -> i32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `incomplete`
[INFO] [stderr]   --> src/tracker.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn incomplete(&self) -> i32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `complete`
[INFO] [stderr]   --> src/tracker.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub fn complete(&self) -> i32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `piece_length`
[INFO] [stderr]   --> src/tracker.rs:92:5
[INFO] [stderr]    |
[INFO] [stderr] 92 |     piece_length: i32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `pieces`
[INFO] [stderr]   --> src/tracker.rs:93:5
[INFO] [stderr]    |
[INFO] [stderr] 93 |     pieces: Vec<String>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `output_file`
[INFO] [stderr]   --> src/tracker.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     output_file: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 28s
[INFO] running `"docker" "inspect" "4b479c89b4cdd37baa4a0bbdd674ca619a794d75ce710f0b63774f7ddfb6770a"`
[INFO] running `"docker" "rm" "-f" "4b479c89b4cdd37baa4a0bbdd674ca619a794d75ce710f0b63774f7ddfb6770a"`
[INFO] [stdout] 4b479c89b4cdd37baa4a0bbdd674ca619a794d75ce710f0b63774f7ddfb6770a