[INFO] cloning repository https://github.com/joprice/itop
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joprice/itop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoprice%2Fitop", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoprice%2Fitop'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c82f3b3df698a957b352c4ef3e1f77495d556140
[INFO] testing joprice/itop against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoprice%2Fitop" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/joprice/itop on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/joprice/itop
[INFO] finished tweaking git repo https://github.com/joprice/itop
[INFO] tweaked toml for git repo https://github.com/joprice/itop written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/joprice/itop already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 810ea1d47228029603eb1f84bc699f497e87072472ab7e4a51f3ac89936ab488
[INFO] running `Command { std: "docker" "start" "-a" "810ea1d47228029603eb1f84bc699f497e87072472ab7e4a51f3ac89936ab488", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "810ea1d47228029603eb1f84bc699f497e87072472ab7e4a51f3ac89936ab488", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "810ea1d47228029603eb1f84bc699f497e87072472ab7e4a51f3ac89936ab488", kill_on_drop: false }`
[INFO] [stdout] 810ea1d47228029603eb1f84bc699f497e87072472ab7e4a51f3ac89936ab488
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] f90b78e881a1c4f8ae526d360e3f43cbb4970795498a7df7f6f82a4905ca2945
[INFO] running `Command { std: "docker" "start" "-a" "f90b78e881a1c4f8ae526d360e3f43cbb4970795498a7df7f6f82a4905ca2945", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling doc-comment v0.3.1
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling sysinfo v0.10.4
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling once_cell v1.2.0
[INFO] [stderr]    Compiling cassowary v0.3.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling sys-info v0.5.8
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling num_cpus v1.11.1
[INFO] [stderr]    Compiling termion v1.5.4
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling slice-deque v0.3.0
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]    Compiling crossbeam-deque v0.7.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling chrono v0.4.10
[INFO] [stderr]    Compiling tui v0.8.0 (https://github.com/joprice/tui-rs?rev=f800abb91d8beaf9d128eb7de556942c50783395#f800abb9)
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling itop v0.1.1-alpha.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/main.rs:190:9
[INFO] [stdout]     |
[INFO] [stdout] 190 | /         std::mem::replace(
[INFO] [stdout] 191 | |             &mut self.processes,
[INFO] [stdout] 192 | |             processes
[INFO] [stdout] 193 | |                 .into_iter()
[INFO] [stdout] ...   |
[INFO] [stdout] 209 | |                 .collect::<Vec<_>>(),
[INFO] [stdout] 210 | |         );
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.99s
[INFO] running `Command { std: "docker" "inspect" "f90b78e881a1c4f8ae526d360e3f43cbb4970795498a7df7f6f82a4905ca2945", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f90b78e881a1c4f8ae526d360e3f43cbb4970795498a7df7f6f82a4905ca2945", kill_on_drop: false }`
[INFO] [stdout] f90b78e881a1c4f8ae526d360e3f43cbb4970795498a7df7f6f82a4905ca2945
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 8b252668510acd2452a431f79647a0b6e04a49b411261a55e455082c98c4e9d6
[INFO] running `Command { std: "docker" "start" "-a" "8b252668510acd2452a431f79647a0b6e04a49b411261a55e455082c98c4e9d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling itop v0.1.1-alpha.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/main.rs:190:9
[INFO] [stdout]     |
[INFO] [stdout] 190 | /         std::mem::replace(
[INFO] [stdout] 191 | |             &mut self.processes,
[INFO] [stdout] 192 | |             processes
[INFO] [stdout] 193 | |                 .into_iter()
[INFO] [stdout] ...   |
[INFO] [stdout] 209 | |                 .collect::<Vec<_>>(),
[INFO] [stdout] 210 | |         );
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "8b252668510acd2452a431f79647a0b6e04a49b411261a55e455082c98c4e9d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b252668510acd2452a431f79647a0b6e04a49b411261a55e455082c98c4e9d6", kill_on_drop: false }`
[INFO] [stdout] 8b252668510acd2452a431f79647a0b6e04a49b411261a55e455082c98c4e9d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] ef59f8d61d56800737304f1e4c5489f8233de58901965dcd0e3af2b5b577fc90
[INFO] running `Command { std: "docker" "start" "-a" "ef59f8d61d56800737304f1e4c5489f8233de58901965dcd0e3af2b5b577fc90", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/main.rs:190:9
[INFO] [stderr]     |
[INFO] [stderr] 190 | /         std::mem::replace(
[INFO] [stderr] 191 | |             &mut self.processes,
[INFO] [stderr] 192 | |             processes
[INFO] [stderr] 193 | |                 .into_iter()
[INFO] [stderr] ...   |
[INFO] [stderr] 209 | |                 .collect::<Vec<_>>(),
[INFO] [stderr] 210 | |         );
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/itop-abba615beb9d6141
[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" "ef59f8d61d56800737304f1e4c5489f8233de58901965dcd0e3af2b5b577fc90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef59f8d61d56800737304f1e4c5489f8233de58901965dcd0e3af2b5b577fc90", kill_on_drop: false }`
[INFO] [stdout] ef59f8d61d56800737304f1e4c5489f8233de58901965dcd0e3af2b5b577fc90