[INFO] fetching crate sampi 0.1.34...
[INFO] testing sampi-0.1.34 against 1.44.0 for beta-1.45-1
[INFO] extracting crate sampi 0.1.34 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate sampi 0.1.34 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate sampi 0.1.34
[INFO] finished tweaking crates.io crate sampi 0.1.34
[INFO] tweaked toml for crates.io crate sampi 0.1.34 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate sampi 0.1.34 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stdout] c64238cb55ee1eee9eb498e9c924066ff8882bfbfc6b4b9ec1f5c0cc668dafc0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "c64238cb55ee1eee9eb498e9c924066ff8882bfbfc6b4b9ec1f5c0cc668dafc0"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling serde-big-array v0.1.5
[INFO] [stderr]    Compiling base32 v0.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling sha2 v0.8.1
[INFO] [stderr]    Compiling rust-base58 v0.0.4
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling curve25519-dalek v2.0.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling ed25519-dalek v1.0.0-pre.3
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling strum_macros v0.17.1
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling structopt-derive v0.4.5
[INFO] [stderr]    Compiling structopt v0.3.12
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling bincode v1.2.1
[INFO] [stderr]    Compiling raptorq v1.4.1
[INFO] [stderr]    Compiling sampi v0.1.34 (/opt/rustwide/workdir)
[INFO] [stderr] warning: field is never read: `total_bytes`
[INFO] [stderr]    --> src/lib.rs:291:5
[INFO] [stderr]     |
[INFO] [stderr] 291 |     total_bytes: Option<core::num::NonZeroU64>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `public_key`
[INFO] [stderr]    --> src/lib.rs:293:5
[INFO] [stderr]     |
[INFO] [stderr] 293 |     public_key: Option<[u8; 32]>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/lib.rs:297:5
[INFO] [stderr]     |
[INFO] [stderr] 297 |     fn new() -> SampiRaptorStream {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `insert`
[INFO] [stderr]    --> src/lib.rs:307:5
[INFO] [stderr]     |
[INFO] [stderr] 307 |     fn insert(&mut self, s: Sampi) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 41s
[INFO] running `"docker" "inspect" "c64238cb55ee1eee9eb498e9c924066ff8882bfbfc6b4b9ec1f5c0cc668dafc0"`
[INFO] running `"docker" "rm" "-f" "c64238cb55ee1eee9eb498e9c924066ff8882bfbfc6b4b9ec1f5c0cc668dafc0"`
[INFO] [stdout] c64238cb55ee1eee9eb498e9c924066ff8882bfbfc6b4b9ec1f5c0cc668dafc0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 26d7c41b5d00fbe2a75b28963a37f643734fc5e8307efcbdcce01de794f126cc
[INFO] running `"docker" "start" "-a" "26d7c41b5d00fbe2a75b28963a37f643734fc5e8307efcbdcce01de794f126cc"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling sampi v0.1.34 (/opt/rustwide/workdir)
[INFO] [stderr] warning: field is never read: `total_bytes`
[INFO] [stderr]    --> src/lib.rs:291:5
[INFO] [stderr]     |
[INFO] [stderr] 291 |     total_bytes: Option<core::num::NonZeroU64>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `public_key`
[INFO] [stderr]    --> src/lib.rs:293:5
[INFO] [stderr]     |
[INFO] [stderr] 293 |     public_key: Option<[u8; 32]>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/lib.rs:297:5
[INFO] [stderr]     |
[INFO] [stderr] 297 |     fn new() -> SampiRaptorStream {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `insert`
[INFO] [stderr]    --> src/lib.rs:307:5
[INFO] [stderr]     |
[INFO] [stderr] 307 |     fn insert(&mut self, s: Sampi) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `flate2`
[INFO] [stderr]  --> examples/gzip.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use flate2::write::ZlibEncoder;
[INFO] [stderr]   |     ^^^^^^ use of undeclared type or module `flate2`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `flate2`
[INFO] [stderr]  --> examples/gzip.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use flate2::Compression;
[INFO] [stderr]   |     ^^^^^^ use of undeclared type or module `flate2`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `ZlibEncoder`
[INFO] [stderr]   --> examples/gzip.rs:18:17
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let mut e = ZlibEncoder::new(Vec::new(), Compression::default());
[INFO] [stderr]    |                 ^^^^^^^^^^^ use of undeclared type or module `ZlibEncoder`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Sampi`
[INFO] [stderr]  --> examples/gzip.rs:5:21
[INFO] [stderr]   |
[INFO] [stderr] 5 | use sampi::{Result, Sampi, SampiData, SampiKeyPair};
[INFO] [stderr]   |                     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude`
[INFO] [stderr]  --> examples/gzip.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors; 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0433.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `sampi`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: method is never used: `len`
[INFO] [stderr]   --> examples/kv_original.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn len(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `has_capacity`
[INFO] [stderr]   --> examples/kv_original.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn has_capacity(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `len`
[INFO] [stderr]   --> examples/kv.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn len(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `has_capacity`
[INFO] [stderr]   --> examples/kv.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn has_capacity(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "26d7c41b5d00fbe2a75b28963a37f643734fc5e8307efcbdcce01de794f126cc"`
[INFO] running `"docker" "rm" "-f" "26d7c41b5d00fbe2a75b28963a37f643734fc5e8307efcbdcce01de794f126cc"`
[INFO] [stdout] 26d7c41b5d00fbe2a75b28963a37f643734fc5e8307efcbdcce01de794f126cc