[INFO] cloning repository https://github.com/CrimsonMarten/merkle_cli
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CrimsonMarten/merkle_cli" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCrimsonMarten%2Fmerkle_cli", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCrimsonMarten%2Fmerkle_cli'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 428c763419d737936a9c59f1629729d64e95cd94
[INFO] testing CrimsonMarten/merkle_cli against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCrimsonMarten%2Fmerkle_cli" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CrimsonMarten/merkle_cli 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 git repo https://github.com/CrimsonMarten/merkle_cli
[INFO] finished tweaking git repo https://github.com/CrimsonMarten/merkle_cli
[INFO] tweaked toml for git repo https://github.com/CrimsonMarten/merkle_cli written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/CrimsonMarten/merkle_cli already has a lockfile, it will not be regenerated
[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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 7d06ddb7f39b0a1b715853db7c022c9deadf7c561d92812325e5fd2bab724540
[INFO] running `Command { std: "docker" "start" "-a" "7d06ddb7f39b0a1b715853db7c022c9deadf7c561d92812325e5fd2bab724540", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d06ddb7f39b0a1b715853db7c022c9deadf7c561d92812325e5fd2bab724540", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d06ddb7f39b0a1b715853db7c022c9deadf7c561d92812325e5fd2bab724540", kill_on_drop: false }`
[INFO] [stdout] 7d06ddb7f39b0a1b715853db7c022c9deadf7c561d92812325e5fd2bab724540
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 7641b9e2b9597605477545310b907fd20c427ab5eef901c7b1e887a62c0b8e22
[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" "7641b9e2b9597605477545310b907fd20c427ab5eef901c7b1e887a62c0b8e22", kill_on_drop: false }`
[INFO] [stderr]    Compiling const_fn v0.4.2
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling positioned-io v0.2.2
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]    Compiling syn v1.0.46
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling merkletree v0.21.0
[INFO] [stderr]    Compiling merkle_cli v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Algorithm`, `Hashable`
[INFO] [stdout]  --> src/main.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use merkletree::hash::{Algorithm, Hashable};
[INFO] [stdout]   |                        ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Sha256`
[INFO] [stdout]  --> src/main.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use sha2::{Sha256, Digest};
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::Map`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::iter::Map;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: wrong number of type arguments: expected at least 3, found 0
[INFO] [stdout]   --> src/main.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let t: MerkleTree<> = MerkleTree::from_data(chunks);
[INFO] [stdout]    |            ^^^^^^^^^^^^ expected at least 3 type arguments
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Digest`
[INFO] [stdout]  --> src/main.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | use sha2::{Sha256, Digest};
[INFO] [stdout]   |                    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0107`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `merkle_cli`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "7641b9e2b9597605477545310b907fd20c427ab5eef901c7b1e887a62c0b8e22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7641b9e2b9597605477545310b907fd20c427ab5eef901c7b1e887a62c0b8e22", kill_on_drop: false }`
[INFO] [stdout] 7641b9e2b9597605477545310b907fd20c427ab5eef901c7b1e887a62c0b8e22