[INFO] cloning repository https://github.com/TheNeikos/rustdock
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TheNeikos/rustdock" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheNeikos%2Frustdock", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheNeikos%2Frustdock'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bdcd606a19eac6a619d7c4aa7b9f829e545c9b9f
[INFO] testing TheNeikos/rustdock against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheNeikos%2Frustdock" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TheNeikos/rustdock on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TheNeikos/rustdock
[INFO] finished tweaking git repo https://github.com/TheNeikos/rustdock
[INFO] tweaked toml for git repo https://github.com/TheNeikos/rustdock written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/TheNeikos/rustdock already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded x11 v2.18.0
[INFO] [stderr]   Downloaded textwidth v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0932c3540c382088eb5516e126e090cf6f39d4582c38735cbce62bc68f6af4f2
[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" "0932c3540c382088eb5516e126e090cf6f39d4582c38735cbce62bc68f6af4f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0932c3540c382088eb5516e126e090cf6f39d4582c38735cbce62bc68f6af4f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0932c3540c382088eb5516e126e090cf6f39d4582c38735cbce62bc68f6af4f2", kill_on_drop: false }`
[INFO] [stdout] 0932c3540c382088eb5516e126e090cf6f39d4582c38735cbce62bc68f6af4f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--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] 7c4189732a1a9bda0fa0dc263dfc2eb297aa3808cfa1ecc1f7c75a9e3cb83854
[INFO] running `Command { std: "docker" "start" "-a" "7c4189732a1a9bda0fa0dc263dfc2eb297aa3808cfa1ecc1f7c75a9e3cb83854", kill_on_drop: false }`
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling xdg v2.1.0
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling atty v0.2.10
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]    Compiling x11 v2.18.0
[INFO] [stderr]    Compiling regex-syntax v0.6.1
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling toml v0.4.6
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling aho-corasick v0.6.5
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling syn v0.14.4
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling textwidth v1.1.0
[INFO] [stderr]    Compiling regex v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.69
[INFO] [stderr]    Compiling rustdock v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Stdio` is imported redundantly
[INFO] [stdout]   --> src/main.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::process::{Command, Stdio};
[INFO] [stdout]    |                             ----- the item `Stdio` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 72 |         use std::process::Stdio;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `elem`
[INFO] [stdout]    --> src/main.rs:175:18
[INFO] [stdout]     |
[INFO] [stdout] 175 |             for (elem, idx) in config.elements[last_index..].iter().zip(last_index..) {
[INFO] [stdout]     |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_elem`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 58.85s
[INFO] running `Command { std: "docker" "inspect" "7c4189732a1a9bda0fa0dc263dfc2eb297aa3808cfa1ecc1f7c75a9e3cb83854", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c4189732a1a9bda0fa0dc263dfc2eb297aa3808cfa1ecc1f7c75a9e3cb83854", kill_on_drop: false }`
[INFO] [stdout] 7c4189732a1a9bda0fa0dc263dfc2eb297aa3808cfa1ecc1f7c75a9e3cb83854
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0133385eb6a2dc62dfedb27a63c57ceb22a635709eb1fce3f03a21ae13b0ff63
[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" "0133385eb6a2dc62dfedb27a63c57ceb22a635709eb1fce3f03a21ae13b0ff63", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustdock v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Stdio` is imported redundantly
[INFO] [stdout]   --> src/main.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::process::{Command, Stdio};
[INFO] [stdout]    |                             ----- the item `Stdio` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 72 |         use std::process::Stdio;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `elem`
[INFO] [stdout]    --> src/main.rs:175:18
[INFO] [stdout]     |
[INFO] [stdout] 175 |             for (elem, idx) in config.elements[last_index..].iter().zip(last_index..) {
[INFO] [stdout]     |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_elem`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "0133385eb6a2dc62dfedb27a63c57ceb22a635709eb1fce3f03a21ae13b0ff63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0133385eb6a2dc62dfedb27a63c57ceb22a635709eb1fce3f03a21ae13b0ff63", kill_on_drop: false }`
[INFO] [stdout] 0133385eb6a2dc62dfedb27a63c57ceb22a635709eb1fce3f03a21ae13b0ff63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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] be945ce227a9f72dd354c4b39439c1b5c387476bbbb333835c939475dca5e9be
[INFO] running `Command { std: "docker" "start" "-a" "be945ce227a9f72dd354c4b39439c1b5c387476bbbb333835c939475dca5e9be", kill_on_drop: false }`
[INFO] [stderr] warning: the item `Stdio` is imported redundantly
[INFO] [stderr]   --> src/main.rs:72:13
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::process::{Command, Stdio};
[INFO] [stderr]    |                             ----- the item `Stdio` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 72 |         use std::process::Stdio;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `elem`
[INFO] [stderr]    --> src/main.rs:175:18
[INFO] [stderr]     |
[INFO] [stderr] 175 |             for (elem, idx) in config.elements[last_index..].iter().zip(last_index..) {
[INFO] [stderr]     |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_elem`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rustdock-efe9e79cd89a04da
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "be945ce227a9f72dd354c4b39439c1b5c387476bbbb333835c939475dca5e9be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be945ce227a9f72dd354c4b39439c1b5c387476bbbb333835c939475dca5e9be", kill_on_drop: false }`
[INFO] [stdout] be945ce227a9f72dd354c4b39439c1b5c387476bbbb333835c939475dca5e9be