[INFO] cloning repository https://github.com/nomelif/multidd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nomelif/multidd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnomelif%2Fmultidd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnomelif%2Fmultidd'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnomelif%2Fmultidd/refs/heads: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/nomelif/multidd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nomelif/multidd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnomelif%2Fmultidd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnomelif%2Fmultidd'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnomelif%2Fmultidd/refs/heads: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 2)
[INFO] cloning repository https://github.com/nomelif/multidd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nomelif/multidd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnomelif%2Fmultidd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnomelif%2Fmultidd'...
[INFO] [stderr] error: copy-fd: write returned: No space left on device
[INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/pre-merge-commit.sample' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnomelif%2Fmultidd/hooks/pre-merge-commit.sample': No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 3)
[INFO] cloning repository https://github.com/nomelif/multidd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nomelif/multidd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnomelif%2Fmultidd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnomelif%2Fmultidd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d0cebbc8af9d3e6e2596691b484de031e82181a8
[INFO] testing nomelif/multidd against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnomelif%2Fmultidd" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nomelif/multidd on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nomelif/multidd
[INFO] finished tweaking git repo https://github.com/nomelif/multidd
[INFO] tweaked toml for git repo https://github.com/nomelif/multidd written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/nomelif/multidd already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pbr v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 03eb998dd374ea0853356bc4b8b2112ab2ad508d0038d16a518ad704b2746aef
[INFO] running `Command { std: "docker" "start" "-a" "03eb998dd374ea0853356bc4b8b2112ab2ad508d0038d16a518ad704b2746aef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03eb998dd374ea0853356bc4b8b2112ab2ad508d0038d16a518ad704b2746aef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03eb998dd374ea0853356bc4b8b2112ab2ad508d0038d16a518ad704b2746aef", kill_on_drop: false }`
[INFO] [stdout] 03eb998dd374ea0853356bc4b8b2112ab2ad508d0038d16a518ad704b2746aef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4435fd14ce822f78129c7aaf4b62c6682027fcd912e6241efcf1835d43fb9b10
[INFO] running `Command { std: "docker" "start" "-a" "4435fd14ce822f78129c7aaf4b62c6682027fcd912e6241efcf1835d43fb9b10", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling argparse v0.2.2
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling pbr v1.0.1
[INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stderr] error: could not compile `time` (lib)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4435fd14ce822f78129c7aaf4b62c6682027fcd912e6241efcf1835d43fb9b10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4435fd14ce822f78129c7aaf4b62c6682027fcd912e6241efcf1835d43fb9b10", kill_on_drop: false }`
[INFO] [stdout] 4435fd14ce822f78129c7aaf4b62c6682027fcd912e6241efcf1835d43fb9b10
[INFO] testing nomelif/multidd against try#b642703cf9526da1e72c0b6755753b939a9c6b6d for pr-125151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnomelif%2Fmultidd" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nomelif/multidd on toolchain b642703cf9526da1e72c0b6755753b939a9c6b6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nomelif/multidd
[INFO] finished tweaking git repo https://github.com/nomelif/multidd
[INFO] tweaked toml for git repo https://github.com/nomelif/multidd written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/nomelif/multidd already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b741473ffb88a5fc87b4005431eee180d3094944f5a55118db35d2aec42351b
[INFO] running `Command { std: "docker" "start" "-a" "6b741473ffb88a5fc87b4005431eee180d3094944f5a55118db35d2aec42351b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b741473ffb88a5fc87b4005431eee180d3094944f5a55118db35d2aec42351b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b741473ffb88a5fc87b4005431eee180d3094944f5a55118db35d2aec42351b", kill_on_drop: false }`
[INFO] [stdout] 6b741473ffb88a5fc87b4005431eee180d3094944f5a55118db35d2aec42351b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25de5161e46f451df1752f0f3638c7cebee5af7ad9f3160e7ff26887866cb1b1
[INFO] running `Command { std: "docker" "start" "-a" "25de5161e46f451df1752f0f3638c7cebee5af7ad9f3160e7ff26887866cb1b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling argparse v0.2.2
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling pbr v1.0.1
[INFO] [stderr]    Compiling multidd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]   --> src/main.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::time::{Duration, Instant};
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:209:29
[INFO] [stdout]     |
[INFO] [stdout] 209 |   let mut output_sink : Box<Sink> = if output != "" {
[INFO] [stdout]     |                             ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 209 |   let mut output_sink : Box<dyn Sink> = if output != "" {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:215:30
[INFO] [stdout]     |
[INFO] [stdout] 215 |   let mut input_source : Box<Source> = if input != "" {
[INFO] [stdout]     |                              ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 215 |   let mut input_source : Box<dyn Source> = if input != "" {
[INFO] [stdout]     |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:222:34
[INFO] [stdout]     |
[INFO] [stdout] 222 |   let mut progress_monitor : Box<ProgressMonitor> = match input_source.size() {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 222 |   let mut progress_monitor : Box<dyn ProgressMonitor> = match input_source.size() {
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |     for mut outfile in &mut self.files.iter(){
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/main.rs:135:6
[INFO] [stdout]     |
[INFO] [stdout] 134 | impl DummyProgressMonitor {
[INFO] [stdout]     | ------------------------- associated function in this implementation
[INFO] [stdout] 135 |   fn new() -> DummyProgressMonitor{
[INFO] [stdout]     |      ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "25de5161e46f451df1752f0f3638c7cebee5af7ad9f3160e7ff26887866cb1b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25de5161e46f451df1752f0f3638c7cebee5af7ad9f3160e7ff26887866cb1b1", kill_on_drop: false }`
[INFO] [stdout] 25de5161e46f451df1752f0f3638c7cebee5af7ad9f3160e7ff26887866cb1b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e059cb7b3289f901e0761a81f4e622f15208ff65300c12576d90c52528bc2065
[INFO] running `Command { std: "docker" "start" "-a" "e059cb7b3289f901e0761a81f4e622f15208ff65300c12576d90c52528bc2065", kill_on_drop: false }`
[INFO] [stderr]    Compiling multidd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]   --> src/main.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::time::{Duration, Instant};
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:209:29
[INFO] [stdout]     |
[INFO] [stdout] 209 |   let mut output_sink : Box<Sink> = if output != "" {
[INFO] [stdout]     |                             ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 209 |   let mut output_sink : Box<dyn Sink> = if output != "" {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:215:30
[INFO] [stdout]     |
[INFO] [stdout] 215 |   let mut input_source : Box<Source> = if input != "" {
[INFO] [stdout]     |                              ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 215 |   let mut input_source : Box<dyn Source> = if input != "" {
[INFO] [stdout]     |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:222:34
[INFO] [stdout]     |
[INFO] [stdout] 222 |   let mut progress_monitor : Box<ProgressMonitor> = match input_source.size() {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 222 |   let mut progress_monitor : Box<dyn ProgressMonitor> = match input_source.size() {
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |     for mut outfile in &mut self.files.iter(){
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/main.rs:135:6
[INFO] [stdout]     |
[INFO] [stdout] 134 | impl DummyProgressMonitor {
[INFO] [stdout]     | ------------------------- associated function in this implementation
[INFO] [stdout] 135 |   fn new() -> DummyProgressMonitor{
[INFO] [stdout]     |      ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "e059cb7b3289f901e0761a81f4e622f15208ff65300c12576d90c52528bc2065", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e059cb7b3289f901e0761a81f4e622f15208ff65300c12576d90c52528bc2065", kill_on_drop: false }`
[INFO] [stdout] e059cb7b3289f901e0761a81f4e622f15208ff65300c12576d90c52528bc2065
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a7fa7952c986881dab6e456dc1ceff458e435be9006ab7465787796be2fb24f8
[INFO] running `Command { std: "docker" "start" "-a" "a7fa7952c986881dab6e456dc1ceff458e435be9006ab7465787796be2fb24f8", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Duration`
[INFO] [stderr]   --> src/main.rs:13:17
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::time::{Duration, Instant};
[INFO] [stderr]    |                 ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:209:29
[INFO] [stderr]     |
[INFO] [stderr] 209 |   let mut output_sink : Box<Sink> = if output != "" {
[INFO] [stderr]     |                             ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: if this is an object-safe trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 209 |   let mut output_sink : Box<dyn Sink> = if output != "" {
[INFO] [stderr]     |                             +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:215:30
[INFO] [stderr]     |
[INFO] [stderr] 215 |   let mut input_source : Box<Source> = if input != "" {
[INFO] [stderr]     |                              ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is an object-safe trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 215 |   let mut input_source : Box<dyn Source> = if input != "" {
[INFO] [stderr]     |                              +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:222:34
[INFO] [stderr]     |
[INFO] [stderr] 222 |   let mut progress_monitor : Box<ProgressMonitor> = match input_source.size() {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is an object-safe trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 222 |   let mut progress_monitor : Box<dyn ProgressMonitor> = match input_source.size() {
[INFO] [stderr]     |                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |     for mut outfile in &mut self.files.iter(){
[INFO] [stderr]     |         ----^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]    --> src/main.rs:135:6
[INFO] [stderr]     |
[INFO] [stderr] 134 | impl DummyProgressMonitor {
[INFO] [stderr]     | ------------------------- associated function in this implementation
[INFO] [stderr] 135 |   fn new() -> DummyProgressMonitor{
[INFO] [stderr]     |      ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `multidd` (bin "multidd" test) generated 6 warnings (run `cargo fix --bin "multidd" --tests` to apply 5 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/multidd-d8fd5ae6af1efd7d)
[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" "a7fa7952c986881dab6e456dc1ceff458e435be9006ab7465787796be2fb24f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7fa7952c986881dab6e456dc1ceff458e435be9006ab7465787796be2fb24f8", kill_on_drop: false }`
[INFO] [stdout] a7fa7952c986881dab6e456dc1ceff458e435be9006ab7465787796be2fb24f8
