[INFO] cloning repository https://github.com/qmatias/nnftp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qmatias/nnftp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqmatias%2Fnnftp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqmatias%2Fnnftp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 96a76219afe2265116e2aba54cadade5837f0b85
[INFO] testing qmatias/nnftp against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqmatias%2Fnnftp" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/qmatias/nnftp on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/qmatias/nnftp
[INFO] finished tweaking git repo https://github.com/qmatias/nnftp
[INFO] tweaked toml for git repo https://github.com/qmatias/nnftp written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/qmatias/nnftp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d46d5f7daa735d1fd48ed4414bc0eb7a4cd6b4525210684d670756f86b701b3
[INFO] running `Command { std: "docker" "start" "-a" "2d46d5f7daa735d1fd48ed4414bc0eb7a4cd6b4525210684d670756f86b701b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d46d5f7daa735d1fd48ed4414bc0eb7a4cd6b4525210684d670756f86b701b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d46d5f7daa735d1fd48ed4414bc0eb7a4cd6b4525210684d670756f86b701b3", kill_on_drop: false }`
[INFO] [stdout] 2d46d5f7daa735d1fd48ed4414bc0eb7a4cd6b4525210684d670756f86b701b3
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93b82bfaf45d4d665da97235e168aab3542dfb25e09bb2810903024c73e1f380
[INFO] running `Command { std: "docker" "start" "-a" "93b82bfaf45d4d665da97235e168aab3542dfb25e09bb2810903024c73e1f380", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling once_cell v1.4.1
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling fastrand v1.3.5
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling event-listener v2.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling async-task v3.0.0
[INFO] [stderr]    Compiling vec-arena v0.5.2
[INFO] [stderr]    Compiling parking v1.0.6
[INFO] [stderr]    Compiling hashbrown v0.9.0
[INFO] [stderr]    Compiling os_str_bytes v2.3.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling socket2 v0.3.15
[INFO] [stderr]    Compiling async-mutex v1.3.0
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling futures-lite v0.1.11
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling async-channel v1.4.2
[INFO] [stderr]    Compiling multitask v0.2.0
[INFO] [stderr]    Compiling polling v0.1.9
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling blocking v0.5.2
[INFO] [stderr]    Compiling async-io v0.1.11
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling async-executor v0.1.2
[INFO] [stderr]    Compiling async-std v1.6.3
[INFO] [stderr]    Compiling chrono v0.4.15
[INFO] [stderr]    Compiling simplelog v0.8.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.1
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling pin-project v0.4.23
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling clap v3.0.0-beta.1
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling nnftp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Read`, `Write`, `self`, `self`, `task`
[INFO] [stdout]  --> src/connection.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 |     fs::{self, File},
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 5 |     io::{self, BufReader, BufWriter, Lines, Read, Write},
[INFO] [stdout]   |          ^^^^                               ^^^^  ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 9 |     task,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.41s
[INFO] running `Command { std: "docker" "inspect" "93b82bfaf45d4d665da97235e168aab3542dfb25e09bb2810903024c73e1f380", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93b82bfaf45d4d665da97235e168aab3542dfb25e09bb2810903024c73e1f380", kill_on_drop: false }`
[INFO] [stdout] 93b82bfaf45d4d665da97235e168aab3542dfb25e09bb2810903024c73e1f380
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf2f849fde4892d77a977e4d9dac5a71989b2f0c63efd469d4e4ed72d8641fdf
[INFO] running `Command { std: "docker" "start" "-a" "cf2f849fde4892d77a977e4d9dac5a71989b2f0c63efd469d4e4ed72d8641fdf", kill_on_drop: false }`
[INFO] [stdout] warning: unused imports: `Read`, `Write`, `self`, `self`, `task`
[INFO] [stdout]  --> src/connection.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 |     fs::{self, File},
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 5 |     io::{self, BufReader, BufWriter, Lines, Read, Write},
[INFO] [stdout]   |          ^^^^                               ^^^^  ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 9 |     task,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling nnftp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Read`, `Write`, `self`, `self`, `task`
[INFO] [stdout]  --> src/connection.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 |     fs::{self, File},
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 5 |     io::{self, BufReader, BufWriter, Lines, Read, Write},
[INFO] [stdout]   |          ^^^^                               ^^^^  ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 9 |     task,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "cf2f849fde4892d77a977e4d9dac5a71989b2f0c63efd469d4e4ed72d8641fdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf2f849fde4892d77a977e4d9dac5a71989b2f0c63efd469d4e4ed72d8641fdf", kill_on_drop: false }`
[INFO] [stdout] cf2f849fde4892d77a977e4d9dac5a71989b2f0c63efd469d4e4ed72d8641fdf
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7ad2153bf315c3876520089ff2f060d9a5f7fff0cf754e68b1a9be79a59e8b63
[INFO] running `Command { std: "docker" "start" "-a" "7ad2153bf315c3876520089ff2f060d9a5f7fff0cf754e68b1a9be79a59e8b63", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Read`, `Write`, `self`, `self`, `task`
[INFO] [stderr]  --> src/connection.rs:4:10
[INFO] [stderr]   |
[INFO] [stderr] 4 |     fs::{self, File},
[INFO] [stderr]   |          ^^^^
[INFO] [stderr] 5 |     io::{self, BufReader, BufWriter, Lines, Read, Write},
[INFO] [stderr]   |          ^^^^                               ^^^^  ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 9 |     task,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `nnftp` (lib) generated 1 warning
[INFO] [stderr] warning: `nnftp` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nnftp-d666d77886ba30fd)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nnftp-326e1d0d89d4da85)
[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] [stderr]    Doc-tests nnftp
[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] [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" "7ad2153bf315c3876520089ff2f060d9a5f7fff0cf754e68b1a9be79a59e8b63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ad2153bf315c3876520089ff2f060d9a5f7fff0cf754e68b1a9be79a59e8b63", kill_on_drop: false }`
[INFO] [stdout] 7ad2153bf315c3876520089ff2f060d9a5f7fff0cf754e68b1a9be79a59e8b63