[INFO] fetching crate samuel 0.1.2...
[INFO] testing samuel-0.1.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate samuel 0.1.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate samuel 0.1.2 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 samuel 0.1.2
[INFO] finished tweaking crates.io crate samuel 0.1.2
[INFO] tweaked toml for crates.io crate samuel 0.1.2 written to /workspace/builds/worker-7/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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] d1c350264899ada4bfa76deeeb2323a3d041aa6b2bb31bef79e7cdf8c14c8472
[INFO] running `Command { std: "docker" "start" "-a" "d1c350264899ada4bfa76deeeb2323a3d041aa6b2bb31bef79e7cdf8c14c8472", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1c350264899ada4bfa76deeeb2323a3d041aa6b2bb31bef79e7cdf8c14c8472", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1c350264899ada4bfa76deeeb2323a3d041aa6b2bb31bef79e7cdf8c14c8472", kill_on_drop: false }`
[INFO] [stdout] d1c350264899ada4bfa76deeeb2323a3d041aa6b2bb31bef79e7cdf8c14c8472
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 0d682320ef9c83df6ed02e132e3bdbdf445dd7266f5593b229a8f79c7f445522
[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" "0d682320ef9c83df6ed02e132e3bdbdf445dd7266f5593b229a8f79c7f445522", kill_on_drop: false }`
[INFO] [stderr]    Compiling xmlparser v0.8.1
[INFO] [stderr]    Compiling roxmltree v0.4.1
[INFO] [stderr]    Compiling samuel v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/assertion.rs:323:17
[INFO] [stdout]     |
[INFO] [stdout] 323 |     fn try_from(n: Node) -> Result<Self, Self::Err> {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/assertion.rs:334:17
[INFO] [stdout]     |
[INFO] [stdout] 334 |     fn try_from(n: Node) -> Result<Self, Self::Err> {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.48s
[INFO] running `Command { std: "docker" "inspect" "0d682320ef9c83df6ed02e132e3bdbdf445dd7266f5593b229a8f79c7f445522", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d682320ef9c83df6ed02e132e3bdbdf445dd7266f5593b229a8f79c7f445522", kill_on_drop: false }`
[INFO] [stdout] 0d682320ef9c83df6ed02e132e3bdbdf445dd7266f5593b229a8f79c7f445522
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stdout] d1f4ecc89e1f70877a344e84cd81e26a3f265d399a7c2208d779484a619e13b8
[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" "d1f4ecc89e1f70877a344e84cd81e26a3f265d399a7c2208d779484a619e13b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling samuel v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/assertion.rs:323:17
[INFO] [stdout]     |
[INFO] [stdout] 323 |     fn try_from(n: Node) -> Result<Self, Self::Err> {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/assertion.rs:334:17
[INFO] [stdout]     |
[INFO] [stdout] 334 |     fn try_from(n: Node) -> Result<Self, Self::Err> {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/assertion.rs:323:17
[INFO] [stdout]     |
[INFO] [stdout] 323 |     fn try_from(n: Node) -> Result<Self, Self::Err> {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/assertion.rs:334:17
[INFO] [stdout]     |
[INFO] [stdout] 334 |     fn try_from(n: Node) -> Result<Self, Self::Err> {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.67s
[INFO] running `Command { std: "docker" "inspect" "d1f4ecc89e1f70877a344e84cd81e26a3f265d399a7c2208d779484a619e13b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1f4ecc89e1f70877a344e84cd81e26a3f265d399a7c2208d779484a619e13b8", kill_on_drop: false }`
[INFO] [stdout] d1f4ecc89e1f70877a344e84cd81e26a3f265d399a7c2208d779484a619e13b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 0fc408eee03a4178c19e513506bec88dfd1ec083968cbd1b11f75572f7691a62
[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" "0fc408eee03a4178c19e513506bec88dfd1ec083968cbd1b11f75572f7691a62", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stdout] running 20 tests
[INFO] [stderr]    --> src/assertion.rs:323:17
[INFO] [stderr]     |
[INFO] [stderr] 323 |     fn try_from(n: Node) -> Result<Self, Self::Err> {
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/assertion.rs:334:17
[INFO] [stderr]     |
[INFO] [stderr] 334 |     fn try_from(n: Node) -> Result<Self, Self::Err> {
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/assertion.rs:323:17
[INFO] [stderr]     |
[INFO] [stderr] 323 |     fn try_from(n: Node) -> Result<Self, Self::Err> {
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/assertion.rs:334:17
[INFO] [stderr]     |
[INFO] [stderr] 334 |     fn try_from(n: Node) -> Result<Self, Self::Err> {
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/samuel-27ce8d8e40d621dd
[INFO] [stdout] test encryption::tests::parse_ec_p256_concat_kdf ... ok
[INFO] [stdout] test encryption::tests::parse_ec_p384 ... ok
[INFO] [stdout] test encryption::tests::parse_rsa_2048 ... ok
[INFO] [stdout] test encryption::tests::parse_ec_p256 ... ok
[INFO] [stdout] test encryption::tests::parse_ec_p521 ... ok
[INFO] [stdout] test encryption::tests::parse_dh_1024 ... ok
[INFO] [stdout] test assertion::tests::parse_response ... ok
[INFO] [stdout] test encryption::tests::parse_rsa_3072 ... ok
[INFO] [stdout] test encryption::tests::parse_rsa_3072_mgf1p ... ok
[INFO] [stdout] test response::tests::parse_response_encrypted_assertion ... ok
[INFO] [stdout] test response::tests::parse_response_signed_encrypted_assertion ... ok
[INFO] [stdout] test signature::tests::parse_response ... ok
[INFO] [stdout] test encryption::tests::parse_rsa_4096 ... ok
[INFO] [stdout] test response::tests::parse_response_signed_message_encrypted_assertion ... ok
[INFO] [stdout] test response::tests::parse_response ... ok
[INFO] [stdout] test response::tests::parse_response_signed_message_signed_encrypted_assertion ... ok
[INFO] [stdout] test response::tests::parse_response_signed_assertion ... ok
[INFO] [stdout] test response::tests::parse_response_signed_assertion_signed_message ... ok
[INFO] [stdout] test response::tests::parse_response_wiki ... ok
[INFO] [stdout] test response::tests::parse_response_signed_message ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests samuel
[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" "0fc408eee03a4178c19e513506bec88dfd1ec083968cbd1b11f75572f7691a62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fc408eee03a4178c19e513506bec88dfd1ec083968cbd1b11f75572f7691a62", kill_on_drop: false }`
[INFO] [stdout] 0fc408eee03a4178c19e513506bec88dfd1ec083968cbd1b11f75572f7691a62