[INFO] cloning repository https://github.com/sblundy/dedup-cli
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sblundy/dedup-cli" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsblundy%2Fdedup-cli", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsblundy%2Fdedup-cli'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 190dec39a7055d96658c3ed93776500e894f63b2
[INFO] documenting sblundy/dedup-cli against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsblundy%2Fdedup-cli" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sblundy/dedup-cli on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sblundy/dedup-cli
[INFO] finished tweaking git repo https://github.com/sblundy/dedup-cli
[INFO] tweaked toml for git repo https://github.com/sblundy/dedup-cli written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/sblundy/dedup-cli already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3cff415d18f48b7c5fd2295363f6ae5df618de53da01f0405a34e2584249ea46
[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" "3cff415d18f48b7c5fd2295363f6ae5df618de53da01f0405a34e2584249ea46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3cff415d18f48b7c5fd2295363f6ae5df618de53da01f0405a34e2584249ea46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cff415d18f48b7c5fd2295363f6ae5df618de53da01f0405a34e2584249ea46", kill_on_drop: false }`
[INFO] [stdout] 3cff415d18f48b7c5fd2295363f6ae5df618de53da01f0405a34e2584249ea46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "RUSTDOCFLAGS=--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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21c8bfbc13c371e35ff397c9d0d6b23838fc7e7371eb2b3b575536bea99da6b9
[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" "21c8bfbc13c371e35ff397c9d0d6b23838fc7e7371eb2b3b575536bea99da6b9", kill_on_drop: false }`
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking dedup-cli v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting dedup-cli v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/lib.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 |     stdin: &mut io::Read,
[INFO] [stdout]   |                 ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/lib.rs:9:18
[INFO] [stdout]   |
[INFO] [stdout] 9 |     stdout: &mut io::Write,
[INFO] [stdout]   |                  ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:21:52
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn dedup_file_to(file_name: &str, output: &mut io::Write) -> io::Result<()> {
[INFO] [stdout]    |                                                    ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:28:34
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn dedup_to_file(input: &mut io::Read, file_name: &str) -> io::Result<()> {
[INFO] [stdout]    |                                  ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/deduplication/mod.rs:5:26
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn dedup(input: &mut Read, output: &mut Write) -> io::Result<()> {
[INFO] [stdout]   |                          ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/deduplication/mod.rs:5:45
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn dedup(input: &mut Read, output: &mut Write) -> io::Result<()> {
[INFO] [stdout]   |                                             ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/deduplication/mod.rs:36:39
[INFO] [stdout]    |
[INFO] [stdout] 36 |     bf: &mut io::Bytes<BufReader<&mut Read>>,
[INFO] [stdout]    |                                       ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.36s
[INFO] running `Command { std: "docker" "inspect" "21c8bfbc13c371e35ff397c9d0d6b23838fc7e7371eb2b3b575536bea99da6b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21c8bfbc13c371e35ff397c9d0d6b23838fc7e7371eb2b3b575536bea99da6b9", kill_on_drop: false }`
[INFO] [stdout] 21c8bfbc13c371e35ff397c9d0d6b23838fc7e7371eb2b3b575536bea99da6b9