[INFO] fetching crate openssh-keys 0.4.2...
[INFO] testing openssh-keys-0.4.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate openssh-keys 0.4.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate openssh-keys 0.4.2 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate openssh-keys 0.4.2
[INFO] finished tweaking crates.io crate openssh-keys 0.4.2
[INFO] tweaked toml for crates.io crate openssh-keys 0.4.2 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate openssh-keys 0.4.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded block-buffer v0.8.0
[INFO] [stderr]   Downloaded base64 v0.12.2
[INFO] [stderr]   Downloaded dirs v3.0.0
[INFO] [stderr]   Downloaded sha2 v0.9.0
[INFO] [stderr]   Downloaded md-5 v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc56f0aefe86bf657881950767bc73451e6f0cfc30320fc1fa2da791cf1579aa
[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" "bc56f0aefe86bf657881950767bc73451e6f0cfc30320fc1fa2da791cf1579aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc56f0aefe86bf657881950767bc73451e6f0cfc30320fc1fa2da791cf1579aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc56f0aefe86bf657881950767bc73451e6f0cfc30320fc1fa2da791cf1579aa", kill_on_drop: false }`
[INFO] [stdout] bc56f0aefe86bf657881950767bc73451e6f0cfc30320fc1fa2da791cf1579aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc89804d1aba0e0f730646bda73202135be2bd17cd6f8f57e960154213e137a2
[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" "dc89804d1aba0e0f730646bda73202135be2bd17cd6f8f57e960154213e137a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling base64 v0.12.2
[INFO] [stderr]    Compiling generic-array v0.14.2
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.8.0
[INFO] [stderr]    Compiling md-5 v0.9.0
[INFO] [stderr]    Compiling sha2 v0.9.0
[INFO] [stderr]    Compiling openssh-keys v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `String::split_off` that must be used
[INFO] [stdout]    --> src/lib.rs:510:13
[INFO] [stdout]     |
[INFO] [stdout] 510 |             fingerprint.split_off(l);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: use `.truncate()` if you don't need the other half
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.23s
[INFO] running `Command { std: "docker" "inspect" "dc89804d1aba0e0f730646bda73202135be2bd17cd6f8f57e960154213e137a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc89804d1aba0e0f730646bda73202135be2bd17cd6f8f57e960154213e137a2", kill_on_drop: false }`
[INFO] [stdout] dc89804d1aba0e0f730646bda73202135be2bd17cd6f8f57e960154213e137a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73b9c597ccf2cc798f9590f2f2ed0e1f9986ad8e4ddf8b71a08c5440c3087bde
[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" "73b9c597ccf2cc798f9590f2f2ed0e1f9986ad8e4ddf8b71a08c5440c3087bde", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stdout] warning: unused return value of `String::split_off` that must be used
[INFO] [stdout]    --> src/lib.rs:510:13
[INFO] [stdout]     |
[INFO] [stdout] 510 |             fingerprint.split_off(l);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: use `.truncate()` if you don't need the other half
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling dirs v3.0.0
[INFO] [stderr]    Compiling openssh-keys v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `String::split_off` that must be used
[INFO] [stdout]    --> src/lib.rs:510:13
[INFO] [stdout]     |
[INFO] [stdout] 510 |             fingerprint.split_off(l);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: use `.truncate()` if you don't need the other half
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.42s
[INFO] running `Command { std: "docker" "inspect" "73b9c597ccf2cc798f9590f2f2ed0e1f9986ad8e4ddf8b71a08c5440c3087bde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73b9c597ccf2cc798f9590f2f2ed0e1f9986ad8e4ddf8b71a08c5440c3087bde", kill_on_drop: false }`
[INFO] [stdout] 73b9c597ccf2cc798f9590f2f2ed0e1f9986ad8e4ddf8b71a08c5440c3087bde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b5df6fd9f06600eeaa0cc5fb12ef8c50c51e81552200268711604a83537a0bfe
[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" "b5df6fd9f06600eeaa0cc5fb12ef8c50c51e81552200268711604a83537a0bfe", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stdout] running 28 tests
[INFO] [stderr] warning: unused return value of `String::split_off` that must be used
[INFO] [stderr]    --> src/lib.rs:510:13
[INFO] [stderr]     |
[INFO] [stderr] 510 |             fingerprint.split_off(l);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: use `.truncate()` if you don't need the other half
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `String::split_off` that must be used
[INFO] [stderr]    --> src/lib.rs:510:13
[INFO] [stderr]     |
[INFO] [stderr] 510 |             fingerprint.split_off(l);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: use `.truncate()` if you don't need the other half
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/openssh_keys-a25ec59fa18b85ca
[INFO] [stdout] test reader::tests::reader_empty ... ok
[INFO] [stdout] test tests::dsa_fingerprint ... ok
[INFO] [stdout] test tests::dsa_keytype ... ok
[INFO] [stdout] test tests::dsa_fingerprint_string ... ok
[INFO] [stdout] test tests::ecdsa256_parse_to_string ... ok
[INFO] [stdout] test tests::dsa_parse_to_string ... ok
[INFO] [stdout] test tests::ecdsa256_keytype ... ok
[INFO] [stdout] test tests::dsa_size ... ok
[INFO] [stdout] test tests::ecdsa256_fingerprint ... ok
[INFO] [stdout] test tests::ed25519_keytype ... ok
[INFO] [stdout] test tests::ed25519_fingerprint_string ... ok
[INFO] [stdout] test tests::ed25519_parse_to_string ... ok
[INFO] [stdout] test tests::ecdsa256_size ... ok
[INFO] [stdout] test tests::ed25519_fingerprint ... ok
[INFO] [stdout] test tests::rsa_fingerprint ... ok
[INFO] [stdout] test tests::ecdsa256_fingerprint_string ... ok
[INFO] [stdout] test tests::hostname_parse ... ok
[INFO] [stdout] test tests::option_parse ... ok
[INFO] [stdout] test tests::read_keys ... ok
[INFO] [stdout] test tests::ed25519_size ... ok
[INFO] [stdout] test tests::rsa_fingerprint_md5 ... ok
[INFO] [stdout] test tests::rsa_fingerprint_string ... ok
[INFO] [stdout] test tests::rsa_size ... ok
[INFO] [stdout] test tests::rsa_set_comment ... ok
[INFO] [stderr]    Doc-tests openssh-keys
[INFO] [stdout] test tests::rsa_fingerprint_md5_string ... ok
[INFO] [stdout] test writer::tests::writer_empty ... ok
[INFO] [stdout] test tests::rsa_keytype ... ok
[INFO] [stdout] test tests::rsa_parse_to_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 28 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.22s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 13) ... ok
[INFO] [stdout] test src/lib.rs - PublicKey::parse (line 198) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.92s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b5df6fd9f06600eeaa0cc5fb12ef8c50c51e81552200268711604a83537a0bfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5df6fd9f06600eeaa0cc5fb12ef8c50c51e81552200268711604a83537a0bfe", kill_on_drop: false }`
[INFO] [stdout] b5df6fd9f06600eeaa0cc5fb12ef8c50c51e81552200268711604a83537a0bfe