[INFO] crate sampi 0.2.5 is already in cache
[INFO] testing sampi-0.2.5 against 1.45.2 for beta-1.46-1
[INFO] extracting crate sampi 0.2.5 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate sampi 0.2.5 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sampi 0.2.5
[INFO] finished tweaking crates.io crate sampi 0.2.5
[INFO] tweaked toml for crates.io crate sampi 0.2.5 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate sampi 0.2.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7dd4e4a0f330a573691cd5670bf729b2d2839a01dd8a6d4d1abf1e0e007ceec2
[INFO] running `Command { std: "docker" "start" "-a" "7dd4e4a0f330a573691cd5670bf729b2d2839a01dd8a6d4d1abf1e0e007ceec2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7dd4e4a0f330a573691cd5670bf729b2d2839a01dd8a6d4d1abf1e0e007ceec2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dd4e4a0f330a573691cd5670bf729b2d2839a01dd8a6d4d1abf1e0e007ceec2", kill_on_drop: false }`
[INFO] [stdout] 7dd4e4a0f330a573691cd5670bf729b2d2839a01dd8a6d4d1abf1e0e007ceec2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09b73e2766370145701133f56b6a92398a3bb75546ee45fb9f5aa4a4e93ba87f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "09b73e2766370145701133f56b6a92398a3bb75546ee45fb9f5aa4a4e93ba87f", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde-big-array v0.1.5
[INFO] [stderr]    Compiling signature v1.1.0
[INFO] [stderr]    Compiling strum v0.17.1
[INFO] [stderr]    Compiling qrcodegen v1.6.0
[INFO] [stderr]    Compiling base32 v0.4.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling strum_macros v0.17.1
[INFO] [stderr]    Compiling zeroize_derive v1.0.0
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling rust-base58 v0.0.4
[INFO] [stderr]    Compiling ed25519 v1.0.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling zeroize v1.1.0
[INFO] [stderr]    Compiling curve25519-dalek v2.1.0
[INFO] [stderr]    Compiling ed25519-dalek v1.0.0-pre.4
[INFO] [stderr]    Compiling bincode v1.3.1
[INFO] [stderr]    Compiling raptorq v1.4.2
[INFO] [stderr]    Compiling sampi v0.2.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `total_bytes`
[INFO] [stdout]    --> src/lib.rs:300:5
[INFO] [stdout]     |
[INFO] [stdout] 300 |     total_bytes: Option<core::num::NonZeroU64>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `public_key`
[INFO] [stdout]    --> src/lib.rs:302:5
[INFO] [stdout]     |
[INFO] [stdout] 302 |     public_key: Option<[u8; 32]>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/lib.rs:306:8
[INFO] [stdout]     |
[INFO] [stdout] 306 |     fn new() -> SampiRaptorStream {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]    --> src/lib.rs:316:8
[INFO] [stdout]     |
[INFO] [stdout] 316 |     fn insert(&mut self, s: Sampi) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.37s
[INFO] running `Command { std: "docker" "inspect" "09b73e2766370145701133f56b6a92398a3bb75546ee45fb9f5aa4a4e93ba87f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09b73e2766370145701133f56b6a92398a3bb75546ee45fb9f5aa4a4e93ba87f", kill_on_drop: false }`
[INFO] [stdout] 09b73e2766370145701133f56b6a92398a3bb75546ee45fb9f5aa4a4e93ba87f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c56725f133c5d4d7d192fadb95033ca992c61196e6aa9e1521e6f48ab25c2019
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c56725f133c5d4d7d192fadb95033ca992c61196e6aa9e1521e6f48ab25c2019", kill_on_drop: false }`
[INFO] [stderr]    Compiling sampi v0.2.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `total_bytes`
[INFO] [stdout]    --> src/lib.rs:300:5
[INFO] [stdout]     |
[INFO] [stdout] 300 |     total_bytes: Option<core::num::NonZeroU64>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `public_key`
[INFO] [stdout]    --> src/lib.rs:302:5
[INFO] [stdout]     |
[INFO] [stdout] 302 |     public_key: Option<[u8; 32]>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/lib.rs:306:8
[INFO] [stdout]     |
[INFO] [stdout] 306 |     fn new() -> SampiRaptorStream {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]    --> src/lib.rs:316:8
[INFO] [stdout]     |
[INFO] [stdout] 316 |     fn insert(&mut self, s: Sampi) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `sampi::SampiMetaData`
[INFO] [stdout]  --> examples/basic.rs:1:53
[INFO] [stdout]   |
[INFO] [stdout] 1 | use sampi::{Result, Sampi, SampiData, SampiKeyPair, SampiMetaData};
[INFO] [stdout]   |                                                     ^^^^^^^^^^^^^
[INFO] [stdout]   |                                                     |
[INFO] [stdout]   |                                                     no `SampiMetaData` in the root
[INFO] [stdout]   |                                                     help: a similar name exists in the module: `SampiMetadata`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `flate2`
[INFO] [stdout]  --> examples/gzip.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use flate2::write::ZlibEncoder;
[INFO] [stdout]   |     ^^^^^^ use of undeclared type or module `flate2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[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] [stdout] error[E0432]: unresolved import `flate2`
[INFO] [stdout]  --> examples/gzip.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use flate2::Compression;
[INFO] [stdout]   |     ^^^^^^ use of undeclared type or module `flate2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `ZlibEncoder`
[INFO] [stdout]   --> examples/gzip.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let mut e = ZlibEncoder::new(Vec::new(), Compression::default());
[INFO] [stdout]    |                 ^^^^^^^^^^^ use of undeclared type or module `ZlibEncoder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]   --> examples/kv_original.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `has_capacity`
[INFO] [stdout]   --> examples/kv_original.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn has_capacity(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]   --> examples/kv.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `has_capacity`
[INFO] [stdout]   --> examples/kv.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn has_capacity(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c56725f133c5d4d7d192fadb95033ca992c61196e6aa9e1521e6f48ab25c2019", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c56725f133c5d4d7d192fadb95033ca992c61196e6aa9e1521e6f48ab25c2019", kill_on_drop: false }`
[INFO] [stdout] c56725f133c5d4d7d192fadb95033ca992c61196e6aa9e1521e6f48ab25c2019