[INFO] fetching crate bencodex-rs 0.0.1...
[INFO] testing bencodex-rs-0.0.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate bencodex-rs 0.0.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate bencodex-rs 0.0.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bencodex-rs 0.0.1
[INFO] finished tweaking crates.io crate bencodex-rs 0.0.1
[INFO] tweaked toml for crates.io crate bencodex-rs 0.0.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 38b914d79f7fe97310627b90a84ae049cfee57c0f10ab0bcd53ca83eecb8c092
[INFO] running `Command { std: "docker" "start" "-a" "38b914d79f7fe97310627b90a84ae049cfee57c0f10ab0bcd53ca83eecb8c092", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38b914d79f7fe97310627b90a84ae049cfee57c0f10ab0bcd53ca83eecb8c092", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38b914d79f7fe97310627b90a84ae049cfee57c0f10ab0bcd53ca83eecb8c092", kill_on_drop: false }`
[INFO] [stdout] 38b914d79f7fe97310627b90a84ae049cfee57c0f10ab0bcd53ca83eecb8c092
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d61cfff3ccbfe2de1b84dd89e18297514cb8ab1bb3e8706cdc9706a2f066d397
[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" "d61cfff3ccbfe2de1b84dd89e18297514cb8ab1bb3e8706cdc9706a2f066d397", kill_on_drop: false }`
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling bencodex-rs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::utils`
[INFO] [stdout]  --> src/tests/codec/decode.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::utils;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::utils`
[INFO] [stdout]  --> src/tests/codec/encode.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::utils;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/bencodex/codec/decode.rs:182:13
[INFO] [stdout]     |
[INFO] [stdout] 182 |         Err(e) => {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `SPEC_PATH`
[INFO] [stdout]   --> src/tests/codec/utils.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | static SPEC_PATH: &str = "spec/testsuite";
[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: `load_from_str`
[INFO] [stdout]    --> src/tests/codec/utils.rs:137:12
[INFO] [stdout]     |
[INFO] [stdout] 137 |     pub fn load_from_str(source: &str) -> Result<Vec<BencodexValue>, ScanError> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `iter_spec`
[INFO] [stdout]    --> src/tests/codec/utils.rs:149:8
[INFO] [stdout]     |
[INFO] [stdout] 149 | pub fn iter_spec() -> std::io::Result<Vec<Spec>> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.04s
[INFO] running `Command { std: "docker" "inspect" "d61cfff3ccbfe2de1b84dd89e18297514cb8ab1bb3e8706cdc9706a2f066d397", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d61cfff3ccbfe2de1b84dd89e18297514cb8ab1bb3e8706cdc9706a2f066d397", kill_on_drop: false }`
[INFO] [stdout] d61cfff3ccbfe2de1b84dd89e18297514cb8ab1bb3e8706cdc9706a2f066d397
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", 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] b5c005fec34d08a3c29c54d2c825cbb27927cd3df870eaf881ae7ff1a2a05db6
[INFO] running `Command { std: "docker" "start" "-a" "b5c005fec34d08a3c29c54d2c825cbb27927cd3df870eaf881ae7ff1a2a05db6", kill_on_drop: false }`
[INFO] [stderr]    Compiling bencodex-rs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::utils`
[INFO] [stdout]  --> src/tests/codec/decode.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::utils;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::utils`
[INFO] [stdout]  --> src/tests/codec/encode.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::utils;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/bencodex/codec/decode.rs:182:13
[INFO] [stdout]     |
[INFO] [stdout] 182 |         Err(e) => {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `SPEC_PATH`
[INFO] [stdout]   --> src/tests/codec/utils.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | static SPEC_PATH: &str = "spec/testsuite";
[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: `load_from_str`
[INFO] [stdout]    --> src/tests/codec/utils.rs:137:12
[INFO] [stdout]     |
[INFO] [stdout] 137 |     pub fn load_from_str(source: &str) -> Result<Vec<BencodexValue>, ScanError> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `iter_spec`
[INFO] [stdout]    --> src/tests/codec/utils.rs:149:8
[INFO] [stdout]     |
[INFO] [stdout] 149 | pub fn iter_spec() -> std::io::Result<Vec<Spec>> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/bencodex/codec/decode.rs:182:13
[INFO] [stdout]     |
[INFO] [stdout] 182 |         Err(e) => {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.47s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b5c005fec34d08a3c29c54d2c825cbb27927cd3df870eaf881ae7ff1a2a05db6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5c005fec34d08a3c29c54d2c825cbb27927cd3df870eaf881ae7ff1a2a05db6", kill_on_drop: false }`
[INFO] [stdout] b5c005fec34d08a3c29c54d2c825cbb27927cd3df870eaf881ae7ff1a2a05db6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8b61bb4cc172b136dbcf17841453020c2931da02f0a2981b258f7305c0f12985
[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" "8b61bb4cc172b136dbcf17841453020c2931da02f0a2981b258f7305c0f12985", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `super::utils`
[INFO] [stderr]  --> src/tests/codec/decode.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use super::utils;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::utils`
[INFO] [stderr]  --> src/tests/codec/encode.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use super::utils;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/bencodex/codec/decode.rs:182:13
[INFO] [stderr]     |
[INFO] [stderr] 182 |         Err(e) => {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static is never used: `SPEC_PATH`
[INFO] [stderr]   --> src/tests/codec/utils.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | static SPEC_PATH: &str = "spec/testsuite";
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `load_from_str`
[INFO] [stderr]    --> src/tests/codec/utils.rs:137:12
[INFO] [stderr]     |
[INFO] [stderr] 137 |     pub fn load_from_str(source: &str) -> Result<Vec<BencodexValue>, ScanError> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `iter_spec`
[INFO] [stderr]    --> src/tests/codec/utils.rs:149:8
[INFO] [stderr]     |
[INFO] [stderr] 149 | pub fn iter_spec() -> std::io::Result<Vec<Spec>> {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/bencodex/codec/decode.rs:182:13
[INFO] [stderr]     |
[INFO] [stderr] 182 |         Err(e) => {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bencodex_rs-b53861e31c2230ed
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::codec::decode::spec_test ... ok
[INFO] [stdout] test tests::codec::encode::spec_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bencodex-rs
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8b61bb4cc172b136dbcf17841453020c2931da02f0a2981b258f7305c0f12985", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b61bb4cc172b136dbcf17841453020c2931da02f0a2981b258f7305c0f12985", kill_on_drop: false }`
[INFO] [stdout] 8b61bb4cc172b136dbcf17841453020c2931da02f0a2981b258f7305c0f12985