[INFO] cloning repository https://github.com/manokara/bencedit
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/manokara/bencedit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmanokara%2Fbencedit", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmanokara%2Fbencedit'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d86fdab0068a011d889d476d9f97febdc17989af
[INFO] testing manokara/bencedit against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmanokara%2Fbencedit" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/manokara/bencedit on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/manokara/bencedit
[INFO] finished tweaking git repo https://github.com/manokara/bencedit
[INFO] tweaked toml for git repo https://github.com/manokara/bencedit written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/manokara/bencedit already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/manokara/bencode-rs`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dirs-sys-next v0.1.1
[INFO] [stderr]   Downloaded nanoserde-derive v0.1.12
[INFO] [stderr]   Downloaded nanoserde v0.1.20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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] 8b639bcfe9f0fb4f30897eb40dfbb59974c1e94f85b66d893d7f7cccab6f8f71
[INFO] running `Command { std: "docker" "start" "-a" "8b639bcfe9f0fb4f30897eb40dfbb59974c1e94f85b66d893d7f7cccab6f8f71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b639bcfe9f0fb4f30897eb40dfbb59974c1e94f85b66d893d7f7cccab6f8f71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b639bcfe9f0fb4f30897eb40dfbb59974c1e94f85b66d893d7f7cccab6f8f71", kill_on_drop: false }`
[INFO] [stdout] 8b639bcfe9f0fb4f30897eb40dfbb59974c1e94f85b66d893d7f7cccab6f8f71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57095a05e233748614bd706ea6996eec88c7a680fe77a5f5faacbe54ca244635
[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" "57095a05e233748614bd706ea6996eec88c7a680fe77a5f5faacbe54ca244635", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling nanoserde-derive v0.1.12
[INFO] [stderr]    Compiling utf8parse v0.2.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling nanoserde v0.1.20
[INFO] [stderr]    Compiling bencode v0.9.1 (https://github.com/manokara/bencode-rs?rev=ca14fb5#ca14fb55)
[INFO] [stderr]    Compiling dirs-sys-next v0.1.1
[INFO] [stderr]    Compiling nix v0.19.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling rustyline v7.1.0
[INFO] [stderr]    Compiling bencedit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `files`
[INFO] [stdout]   --> src/batch.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn batch<P>(files: Vec<P>) -> Result<(), Error> where P: AsRef<Path> {
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_files`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Io`
[INFO] [stdout]  --> src/batch.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Io(IoError),
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ArgCountMin`
[INFO] [stdout]   --> src/interactive.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     ArgCountMin(usize),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.63s
[INFO] running `Command { std: "docker" "inspect" "57095a05e233748614bd706ea6996eec88c7a680fe77a5f5faacbe54ca244635", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57095a05e233748614bd706ea6996eec88c7a680fe77a5f5faacbe54ca244635", kill_on_drop: false }`
[INFO] [stdout] 57095a05e233748614bd706ea6996eec88c7a680fe77a5f5faacbe54ca244635
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", 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] 682b2ac7f00793f6d65f960a6608301519cb7985ea41df1544fe780a9db607ea
[INFO] running `Command { std: "docker" "start" "-a" "682b2ac7f00793f6d65f960a6608301519cb7985ea41df1544fe780a9db607ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling bencedit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `files`
[INFO] [stdout]   --> src/batch.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn batch<P>(files: Vec<P>) -> Result<(), Error> where P: AsRef<Path> {
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_files`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Io`
[INFO] [stdout]  --> src/batch.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Io(IoError),
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ArgCountMin`
[INFO] [stdout]   --> src/interactive.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     ArgCountMin(usize),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "682b2ac7f00793f6d65f960a6608301519cb7985ea41df1544fe780a9db607ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "682b2ac7f00793f6d65f960a6608301519cb7985ea41df1544fe780a9db607ea", kill_on_drop: false }`
[INFO] [stdout] 682b2ac7f00793f6d65f960a6608301519cb7985ea41df1544fe780a9db607ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", 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] af559d5e7bf5803e02af64855efa4397819627062be83a1676e0b425c7e2c1de
[INFO] running `Command { std: "docker" "start" "-a" "af559d5e7bf5803e02af64855efa4397819627062be83a1676e0b425c7e2c1de", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `files`
[INFO] [stderr]   --> src/batch.rs:19:17
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub fn batch<P>(files: Vec<P>) -> Result<(), Error> where P: AsRef<Path> {
[INFO] [stderr]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_files`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Io`
[INFO] [stderr]  --> src/batch.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Io(IoError),
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ArgCountMin`
[INFO] [stderr]   --> src/interactive.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     ArgCountMin(usize),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `bencedit` (bin "bencedit" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bencedit-c05dd499f1990419)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "af559d5e7bf5803e02af64855efa4397819627062be83a1676e0b425c7e2c1de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af559d5e7bf5803e02af64855efa4397819627062be83a1676e0b425c7e2c1de", kill_on_drop: false }`
[INFO] [stdout] af559d5e7bf5803e02af64855efa4397819627062be83a1676e0b425c7e2c1de