[INFO] fetching crate teatree 0.0.4...
[INFO] testing teatree-0.0.4 against 1.47.0 for beta-1.48-1
[INFO] extracting crate teatree 0.0.4 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate teatree 0.0.4 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate teatree 0.0.4
[INFO] finished tweaking crates.io crate teatree 0.0.4
[INFO] tweaked toml for crates.io crate teatree 0.0.4 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c0633154b3f244fd75605cd4f43520fd43e1bd322993f32451c5bdb7b35deeb
[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" "9c0633154b3f244fd75605cd4f43520fd43e1bd322993f32451c5bdb7b35deeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c0633154b3f244fd75605cd4f43520fd43e1bd322993f32451c5bdb7b35deeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c0633154b3f244fd75605cd4f43520fd43e1bd322993f32451c5bdb7b35deeb", kill_on_drop: false }`
[INFO] [stdout] 9c0633154b3f244fd75605cd4f43520fd43e1bd322993f32451c5bdb7b35deeb
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1aa109703cec0c09f788496fcfdb6236fcc09309b70033dcdfdc3b63dfe881d7
[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" "1aa109703cec0c09f788496fcfdb6236fcc09309b70033dcdfdc3b63dfe881d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]    Compiling signature v1.2.2
[INFO] [stderr]    Compiling historian v4.0.3
[INFO] [stderr]    Compiling subtle v2.3.0
[INFO] [stderr]    Compiling actix-service v0.4.2
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]    Compiling lock_api v0.2.0
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling enum-as-inner v0.2.1
[INFO] [stderr]    Compiling actix_derive v0.4.0
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr]    Compiling sha3 v0.7.3
[INFO] [stderr]    Compiling derive_more v0.15.0
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling sha2 v0.9.1
[INFO] [stderr]    Compiling hashbrown v0.3.1
[INFO] [stderr]    Compiling bincode v1.3.1
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling serde_bytes v0.11.5
[INFO] [stderr]    Compiling ed25519 v1.0.3
[INFO] [stderr]    Compiling rayon v1.4.1
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling string v0.2.1
[INFO] [stderr]    Compiling const-random-macro v0.1.11
[INFO] [stderr]    Compiling const-random v0.1.11
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling ahash v0.2.19
[INFO] [stderr]    Compiling zeroize v1.1.1
[INFO] [stderr]    Compiling actix-codec v0.1.2
[INFO] [stderr]    Compiling curve25519-dalek v3.0.0
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio-uds v0.2.7
[INFO] [stderr]    Compiling actix-utils v0.4.7
[INFO] [stderr]    Compiling actix-server-config v0.1.2
[INFO] [stderr]    Compiling trust-dns-proto v0.7.4
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling ed25519-dalek v1.0.1
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling jsonrpc-parse v0.1.2
[INFO] [stderr]    Compiling pagecache v0.17.0
[INFO] [stderr]    Compiling actix-threadpool v0.1.2
[INFO] [stderr]    Compiling trust-dns-resolver v0.11.1
[INFO] [stderr]    Compiling actix-rt v0.2.6
[INFO] [stderr]    Compiling actix-connect v0.2.5
[INFO] [stderr]    Compiling actix-http v0.2.11
[INFO] [stderr]    Compiling sled v0.24.1
[INFO] [stderr]    Compiling actix v0.8.3
[INFO] [stderr]    Compiling teatree v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(vec_drain_as_slice)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `rand::rngs::OsRng: rand_core::CryptoRng` is not satisfied
[INFO] [stdout]    --> src/crypto/keypair.rs:46:50
[INFO] [stdout]     |
[INFO] [stdout] 46  |         let keypair: Keypair = Keypair::generate(&mut csprng);
[INFO] [stdout]     |                                                  ^^^^^^^^^^^ the trait `rand_core::CryptoRng` is not implemented for `rand::rngs::OsRng`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ed25519-dalek-1.0.1/src/keypair.rs:129:12
[INFO] [stdout]     |
[INFO] [stdout] 129 |         R: CryptoRng + RngCore,
[INFO] [stdout]     |            --------- required by this bound in `ed25519_dalek::Keypair::generate`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `rand::rngs::OsRng: rand_core::RngCore` is not satisfied
[INFO] [stdout]    --> src/crypto/keypair.rs:46:50
[INFO] [stdout]     |
[INFO] [stdout] 46  |         let keypair: Keypair = Keypair::generate(&mut csprng);
[INFO] [stdout]     |                                                  ^^^^^^^^^^^ the trait `rand_core::RngCore` is not implemented for `rand::rngs::OsRng`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ed25519-dalek-1.0.1/src/keypair.rs:129:24
[INFO] [stdout]     |
[INFO] [stdout] 129 |         R: CryptoRng + RngCore,
[INFO] [stdout]     |                        ------- required by this bound in `ed25519_dalek::Keypair::generate`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `sign` found for struct `ed25519_dalek::Keypair` in the current scope
[INFO] [stdout]   --> src/crypto/keypair.rs:61:33
[INFO] [stdout]    |
[INFO] [stdout] 61 |         let signature = keypair.sign(message.as_bytes());
[INFO] [stdout]    |                                 ^^^^ method not found in `ed25519_dalek::Keypair`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]    = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]            `use ed25519_dalek::Signer;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `sign` found for struct `ed25519_dalek::Keypair` in the current scope
[INFO] [stdout]   --> src/crypto/keypair.rs:68:33
[INFO] [stdout]    |
[INFO] [stdout] 68 |         let signature = keypair.sign(bytes);
[INFO] [stdout]    |                                 ^^^^ method not found in `ed25519_dalek::Keypair`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]    = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]            `use ed25519_dalek::Signer;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `verify` found for struct `ed25519_dalek::PublicKey` in the current scope
[INFO] [stdout]    --> src/crypto/keypair.rs:101:14
[INFO] [stdout]     |
[INFO] [stdout] 101 |             .verify(message.as_bytes(), &signature.signature)
[INFO] [stdout]     |              ^^^^^^ method not found in `ed25519_dalek::PublicKey`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]             `use ed25519_dalek::Verifier;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `verify` found for struct `ed25519_dalek::PublicKey` in the current scope
[INFO] [stdout]    --> src/crypto/keypair.rs:107:14
[INFO] [stdout]     |
[INFO] [stdout] 107 |             .verify(content, &signature.signature)
[INFO] [stdout]     |              ^^^^^^ method not found in `ed25519_dalek::PublicKey`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]             `use ed25519_dalek::Verifier;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `from_bytes` found for struct `ed25519_dalek::Signature` in the current scope
[INFO] [stdout]    --> src/crypto/keypair.rs:145:38
[INFO] [stdout]     |
[INFO] [stdout] 145 |         let signature = EdSignature::from_bytes(signature_bytes);
[INFO] [stdout]     |                                      ^^^^^^^^^^
[INFO] [stdout]     |                                      |
[INFO] [stdout]     |                                      function or associated item not found in `ed25519_dalek::Signature`
[INFO] [stdout]     |                                      help: there is an associated function with a similar name: `to_bytes`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]             `use ed25519_dalek::ed25519::signature::Signature;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `teatree`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "1aa109703cec0c09f788496fcfdb6236fcc09309b70033dcdfdc3b63dfe881d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1aa109703cec0c09f788496fcfdb6236fcc09309b70033dcdfdc3b63dfe881d7", kill_on_drop: false }`
[INFO] [stdout] 1aa109703cec0c09f788496fcfdb6236fcc09309b70033dcdfdc3b63dfe881d7
