[INFO] cloning repository https://github.com/ryanavella/kassia
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ryanavella/kassia" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanavella%2Fkassia", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanavella%2Fkassia'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c27c879417c8ef9d6989192b290c2428f62dfbba
[INFO] testing ryanavella/kassia against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanavella%2Fkassia" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ryanavella/kassia 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/ryanavella/kassia
[INFO] finished tweaking git repo https://github.com/ryanavella/kassia
[INFO] tweaked toml for git repo https://github.com/ryanavella/kassia written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/ryanavella/kassia 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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] b9516426d1dbd983234c82ae50c0fb77ed39ac6086f476331dcff7d44c198152
[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" "b9516426d1dbd983234c82ae50c0fb77ed39ac6086f476331dcff7d44c198152", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9516426d1dbd983234c82ae50c0fb77ed39ac6086f476331dcff7d44c198152", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9516426d1dbd983234c82ae50c0fb77ed39ac6086f476331dcff7d44c198152", kill_on_drop: false }`
[INFO] [stdout] b9516426d1dbd983234c82ae50c0fb77ed39ac6086f476331dcff7d44c198152
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 33ef1ca937dba563d0a8b06b67ae9283dd175b5010aae73739232aa645beb225
[INFO] running `Command { std: "docker" "start" "-a" "33ef1ca937dba563d0a8b06b67ae9283dd175b5010aae73739232aa645beb225", kill_on_drop: false }`
[INFO] [stderr]    Compiling kassia v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `Node`
[INFO] [stdout]    --> src/main.rs:429:8
[INFO] [stdout]     |
[INFO] [stdout] 429 | struct Node {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `NodeKind`
[INFO] [stdout]    --> src/main.rs:433:6
[INFO] [stdout]     |
[INFO] [stdout] 433 | enum NodeKind {
[INFO] [stdout]     |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Parser`
[INFO] [stdout]    --> src/main.rs:438:8
[INFO] [stdout]     |
[INFO] [stdout] 438 | struct Parser {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/main.rs:443:14
[INFO] [stdout]     |
[INFO] [stdout] 443 |     const fn new(lexer: Lexer) -> Self {
[INFO] [stdout]     |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `Command { std: "docker" "inspect" "33ef1ca937dba563d0a8b06b67ae9283dd175b5010aae73739232aa645beb225", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33ef1ca937dba563d0a8b06b67ae9283dd175b5010aae73739232aa645beb225", kill_on_drop: false }`
[INFO] [stdout] 33ef1ca937dba563d0a8b06b67ae9283dd175b5010aae73739232aa645beb225
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] 66799761372fdb9f364cca8edb6b42b17304416560ae8ce52e952c5d9f617143
[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" "66799761372fdb9f364cca8edb6b42b17304416560ae8ce52e952c5d9f617143", kill_on_drop: false }`
[INFO] [stderr]    Compiling kassia v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `Node`
[INFO] [stdout]    --> src/main.rs:429:8
[INFO] [stdout]     |
[INFO] [stdout] 429 | struct Node {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `NodeKind`
[INFO] [stdout]    --> src/main.rs:433:6
[INFO] [stdout]     |
[INFO] [stdout] 433 | enum NodeKind {
[INFO] [stdout]     |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Parser`
[INFO] [stdout]    --> src/main.rs:438:8
[INFO] [stdout]     |
[INFO] [stdout] 438 | struct Parser {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/main.rs:443:14
[INFO] [stdout]     |
[INFO] [stdout] 443 |     const fn new(lexer: Lexer) -> Self {
[INFO] [stdout]     |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "66799761372fdb9f364cca8edb6b42b17304416560ae8ce52e952c5d9f617143", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66799761372fdb9f364cca8edb6b42b17304416560ae8ce52e952c5d9f617143", kill_on_drop: false }`
[INFO] [stdout] 66799761372fdb9f364cca8edb6b42b17304416560ae8ce52e952c5d9f617143
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] 5d4cdf7b488421386f1039230b0fc8dd1ca4e2d9685a162f40039552ad3975b8
[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" "5d4cdf7b488421386f1039230b0fc8dd1ca4e2d9685a162f40039552ad3975b8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: struct is never constructed: `Node`
[INFO] [stderr]    --> src/main.rs:429:8
[INFO] [stderr]     |
[INFO] [stderr] 429 | struct Node {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `NodeKind`
[INFO] [stderr]    --> src/main.rs:433:6
[INFO] [stderr]     |
[INFO] [stderr] 433 | enum NodeKind {
[INFO] [stderr]     |      ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Parser`
[INFO] [stderr]    --> src/main.rs:438:8
[INFO] [stderr]     |
[INFO] [stderr] 438 | struct Parser {
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> src/main.rs:443:14
[INFO] [stderr]     |
[INFO] [stderr] 443 |     const fn new(lexer: Lexer) -> Self {
[INFO] [stderr]     |              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/kassia-7be4bfb18dee078b
[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" "5d4cdf7b488421386f1039230b0fc8dd1ca4e2d9685a162f40039552ad3975b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d4cdf7b488421386f1039230b0fc8dd1ca4e2d9685a162f40039552ad3975b8", kill_on_drop: false }`
[INFO] [stdout] 5d4cdf7b488421386f1039230b0fc8dd1ca4e2d9685a162f40039552ad3975b8