[INFO] fetching crate tetani 0.1.0...
[INFO] testing tetani-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate tetani 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate tetani 0.1.0 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 crates.io crate tetani 0.1.0
[INFO] finished tweaking crates.io crate tetani 0.1.0
[INFO] tweaked toml for crates.io crate tetani 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 9a078832b5fe1e2bd2412b1a8bdeb74c30708ae71ccbd27d20488d07072e82d8
[INFO] running `Command { std: "docker" "start" "-a" "9a078832b5fe1e2bd2412b1a8bdeb74c30708ae71ccbd27d20488d07072e82d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a078832b5fe1e2bd2412b1a8bdeb74c30708ae71ccbd27d20488d07072e82d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a078832b5fe1e2bd2412b1a8bdeb74c30708ae71ccbd27d20488d07072e82d8", kill_on_drop: false }`
[INFO] [stdout] 9a078832b5fe1e2bd2412b1a8bdeb74c30708ae71ccbd27d20488d07072e82d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] afc5cabec31d3d4e31d9f2c6c42ee81f655e2e70e61c2d7b29521cd968c0ca86
[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" "afc5cabec31d3d4e31d9f2c6c42ee81f655e2e70e61c2d7b29521cd968c0ca86", kill_on_drop: false }`
[INFO] [stderr]    Compiling tetani v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `compare_and`
[INFO] [stdout]    --> src/lib.rs:187:4
[INFO] [stdout]     |
[INFO] [stdout] 187 | fn compare_and(bitvector: &Vec<bool>, other: &Vec<bool>) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `increment_bitvector`
[INFO] [stdout]    --> src/lib.rs:228:4
[INFO] [stdout]     |
[INFO] [stdout] 228 | fn increment_bitvector(bitvector: &mut Vec<bool>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.22s
[INFO] running `Command { std: "docker" "inspect" "afc5cabec31d3d4e31d9f2c6c42ee81f655e2e70e61c2d7b29521cd968c0ca86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afc5cabec31d3d4e31d9f2c6c42ee81f655e2e70e61c2d7b29521cd968c0ca86", kill_on_drop: false }`
[INFO] [stdout] afc5cabec31d3d4e31d9f2c6c42ee81f655e2e70e61c2d7b29521cd968c0ca86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 4914a54af2205f6f070d01e778342ebeafed4d7fc67f76383399dac4fa76db0b
[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" "4914a54af2205f6f070d01e778342ebeafed4d7fc67f76383399dac4fa76db0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling tetani v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `compare_and`
[INFO] [stdout]    --> src/lib.rs:187:4
[INFO] [stdout]     |
[INFO] [stdout] 187 | fn compare_and(bitvector: &Vec<bool>, other: &Vec<bool>) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `increment_bitvector`
[INFO] [stdout]    --> src/lib.rs:228:4
[INFO] [stdout]     |
[INFO] [stdout] 228 | fn increment_bitvector(bitvector: &mut Vec<bool>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `compare_and`
[INFO] [stdout]    --> src/lib.rs:187:4
[INFO] [stdout]     |
[INFO] [stdout] 187 | fn compare_and(bitvector: &Vec<bool>, other: &Vec<bool>) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `increment_bitvector`
[INFO] [stdout]    --> src/lib.rs:228:4
[INFO] [stdout]     |
[INFO] [stdout] 228 | fn increment_bitvector(bitvector: &mut Vec<bool>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "4914a54af2205f6f070d01e778342ebeafed4d7fc67f76383399dac4fa76db0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4914a54af2205f6f070d01e778342ebeafed4d7fc67f76383399dac4fa76db0b", kill_on_drop: false }`
[INFO] [stdout] 4914a54af2205f6f070d01e778342ebeafed4d7fc67f76383399dac4fa76db0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 1f7367c4941377341c7871f6c4b6037c8fa0b06e330b3b768c65cd8e90a4ae23
[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" "1f7367c4941377341c7871f6c4b6037c8fa0b06e330b3b768c65cd8e90a4ae23", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `compare_and`
[INFO] [stderr]    --> src/lib.rs:187:4
[INFO] [stderr]     |
[INFO] [stderr] 187 | fn compare_and(bitvector: &Vec<bool>, other: &Vec<bool>) -> bool {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `increment_bitvector`
[INFO] [stderr]    --> src/lib.rs:228:4
[INFO] [stderr]     |
[INFO] [stderr] 228 | fn increment_bitvector(bitvector: &mut Vec<bool>) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `compare_and`
[INFO] [stderr]    --> src/lib.rs:187:4
[INFO] [stderr]     |
[INFO] [stderr] 187 | fn compare_and(bitvector: &Vec<bool>, other: &Vec<bool>) -> bool {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `increment_bitvector`
[INFO] [stderr]    --> src/lib.rs:228:4
[INFO] [stderr]     |
[INFO] [stderr] 228 | fn increment_bitvector(bitvector: &mut Vec<bool>) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tetani-5353399f526210c6
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tetani-eae39bf41be28124
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests tetani
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1f7367c4941377341c7871f6c4b6037c8fa0b06e330b3b768c65cd8e90a4ae23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f7367c4941377341c7871f6c4b6037c8fa0b06e330b3b768c65cd8e90a4ae23", kill_on_drop: false }`
[INFO] [stdout] 1f7367c4941377341c7871f6c4b6037c8fa0b06e330b3b768c65cd8e90a4ae23