[INFO] cloning repository https://github.com/WalrusGumboot/skik
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/WalrusGumboot/skik" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWalrusGumboot%2Fskik", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWalrusGumboot%2Fskik'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e2ce196c1c7adad833af4c741dafa79017a239fc
[INFO] testing WalrusGumboot/skik against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWalrusGumboot%2Fskik" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/WalrusGumboot/skik 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/WalrusGumboot/skik
[INFO] finished tweaking git repo https://github.com/WalrusGumboot/skik
[INFO] tweaked toml for git repo https://github.com/WalrusGumboot/skik written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/WalrusGumboot/skik 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stdout] 1e1ce7ded6130aaf8f76c0d57d467133fcce70fe87c24aec7d845a012f3fb71f
[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" "1e1ce7ded6130aaf8f76c0d57d467133fcce70fe87c24aec7d845a012f3fb71f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e1ce7ded6130aaf8f76c0d57d467133fcce70fe87c24aec7d845a012f3fb71f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e1ce7ded6130aaf8f76c0d57d467133fcce70fe87c24aec7d845a012f3fb71f", kill_on_drop: false }`
[INFO] [stdout] 1e1ce7ded6130aaf8f76c0d57d467133fcce70fe87c24aec7d845a012f3fb71f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e5c332676367a522a0c5b78f5f08d6163dec8732a2f87763a7eb8285c68a54dc
[INFO] running `Command { std: "docker" "start" "-a" "e5c332676367a522a0c5b78f5f08d6163dec8732a2f87763a7eb8285c68a54dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling termion v1.5.6
[INFO] [stderr]    Compiling skik v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `last_line` is never read
[INFO] [stdout]   --> src/main.rs:78:10
[INFO] [stdout]    |
[INFO] [stdout] 78 |     let mut last_line = 6; //TODO: dynamically change this
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stdout`
[INFO] [stdout]    --> src/main.rs:179:6
[INFO] [stdout]     |
[INFO] [stdout] 179 |     let stdout = io::stdout().into_raw_mode();
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stdout`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:177:6
[INFO] [stdout]     |
[INFO] [stdout] 177 |     let mut status = String::from("ready.");
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.07s
[INFO] running `Command { std: "docker" "inspect" "e5c332676367a522a0c5b78f5f08d6163dec8732a2f87763a7eb8285c68a54dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5c332676367a522a0c5b78f5f08d6163dec8732a2f87763a7eb8285c68a54dc", kill_on_drop: false }`
[INFO] [stdout] e5c332676367a522a0c5b78f5f08d6163dec8732a2f87763a7eb8285c68a54dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 63dd8db0fba3020c5975eda422409d989005924b6fd3d6e32ebf46555d523866
[INFO] running `Command { std: "docker" "start" "-a" "63dd8db0fba3020c5975eda422409d989005924b6fd3d6e32ebf46555d523866", kill_on_drop: false }`
[INFO] [stderr]    Compiling skik v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `last_line` is never read
[INFO] [stdout]   --> src/main.rs:78:10
[INFO] [stdout]    |
[INFO] [stdout] 78 |     let mut last_line = 6; //TODO: dynamically change this
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stdout`
[INFO] [stdout]    --> src/main.rs:179:6
[INFO] [stdout]     |
[INFO] [stdout] 179 |     let stdout = io::stdout().into_raw_mode();
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stdout`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:177:6
[INFO] [stdout]     |
[INFO] [stdout] 177 |     let mut status = String::from("ready.");
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "63dd8db0fba3020c5975eda422409d989005924b6fd3d6e32ebf46555d523866", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63dd8db0fba3020c5975eda422409d989005924b6fd3d6e32ebf46555d523866", kill_on_drop: false }`
[INFO] [stdout] 63dd8db0fba3020c5975eda422409d989005924b6fd3d6e32ebf46555d523866
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 40bf3159b3b14109332028e059f490dd5d07828dd0185f19bbc09455d57fe04a
[INFO] running `Command { std: "docker" "start" "-a" "40bf3159b3b14109332028e059f490dd5d07828dd0185f19bbc09455d57fe04a", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `last_line` is never read
[INFO] [stderr]   --> src/main.rs:78:10
[INFO] [stderr]    |
[INFO] [stderr] 78 |     let mut last_line = 6; //TODO: dynamically change this
[INFO] [stderr]    |             ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stdout`
[INFO] [stderr]    --> src/main.rs:179:6
[INFO] [stderr]     |
[INFO] [stderr] 179 |     let stdout = io::stdout().into_raw_mode();
[INFO] [stderr]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stdout`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:177:6
[INFO] [stderr]     |
[INFO] [stderr] 177 |     let mut status = String::from("ready.");
[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: `skik` (bin "skik" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/skik-8940c2bc2477c691)
[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" "40bf3159b3b14109332028e059f490dd5d07828dd0185f19bbc09455d57fe04a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40bf3159b3b14109332028e059f490dd5d07828dd0185f19bbc09455d57fe04a", kill_on_drop: false }`
[INFO] [stdout] 40bf3159b3b14109332028e059f490dd5d07828dd0185f19bbc09455d57fe04a