[INFO] fetching crate simple_calculator 0.1.5...
[INFO] testing simple_calculator-0.1.5 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate simple_calculator 0.1.5 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate simple_calculator 0.1.5 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate simple_calculator 0.1.5
[INFO] finished tweaking crates.io crate simple_calculator 0.1.5
[INFO] tweaked toml for crates.io crate simple_calculator 0.1.5 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14d8666e5c7d7d1596a4cdd27b68506d54620fd31e0a74d0045561814fda30f9
[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" "14d8666e5c7d7d1596a4cdd27b68506d54620fd31e0a74d0045561814fda30f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14d8666e5c7d7d1596a4cdd27b68506d54620fd31e0a74d0045561814fda30f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14d8666e5c7d7d1596a4cdd27b68506d54620fd31e0a74d0045561814fda30f9", kill_on_drop: false }`
[INFO] [stdout] 14d8666e5c7d7d1596a4cdd27b68506d54620fd31e0a74d0045561814fda30f9
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "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] c240c6ff481b9d40d37bc5cbb03e5ce4255965f1834aea03fc77cbefec562b00
[INFO] running `Command { std: "docker" "start" "-a" "c240c6ff481b9d40d37bc5cbb03e5ce4255965f1834aea03fc77cbefec562b00", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple_calculator v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/lib.rs:25:16
[INFO] [stdout]    |
[INFO] [stdout] 25 |            for i in 1..y{
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "c240c6ff481b9d40d37bc5cbb03e5ce4255965f1834aea03fc77cbefec562b00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c240c6ff481b9d40d37bc5cbb03e5ce4255965f1834aea03fc77cbefec562b00", kill_on_drop: false }`
[INFO] [stdout] c240c6ff481b9d40d37bc5cbb03e5ce4255965f1834aea03fc77cbefec562b00
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5c33d67a5c556e4216ceeb554c1a76558300c38b09ccdfea970d68c2da70f4f
[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" "f5c33d67a5c556e4216ceeb554c1a76558300c38b09ccdfea970d68c2da70f4f", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/lib.rs:25:16
[INFO] [stdout]    |
[INFO] [stdout] 25 |            for i in 1..y{
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling simple_calculator v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/lib.rs:25:16
[INFO] [stdout]    |
[INFO] [stdout] 25 |            for i in 1..y{
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "f5c33d67a5c556e4216ceeb554c1a76558300c38b09ccdfea970d68c2da70f4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5c33d67a5c556e4216ceeb554c1a76558300c38b09ccdfea970d68c2da70f4f", kill_on_drop: false }`
[INFO] [stdout] f5c33d67a5c556e4216ceeb554c1a76558300c38b09ccdfea970d68c2da70f4f
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f5dae78dca9022ed873fa3adc4ab5dfecb7a0131e68bf6cd2e88dc9258e22257
[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" "f5dae78dca9022ed873fa3adc4ab5dfecb7a0131e68bf6cd2e88dc9258e22257", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stdout] 
[INFO] [stderr]   --> src/lib.rs:25:16
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 25 |            for i in 1..y{
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |                ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `simple_calculator` (lib) generated 1 warning
[INFO] [stderr] warning: `simple_calculator` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/simple_calculator-fe0ec13144bfc898)
[INFO] [stderr]    Doc-tests simple_calculator
[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" "f5dae78dca9022ed873fa3adc4ab5dfecb7a0131e68bf6cd2e88dc9258e22257", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5dae78dca9022ed873fa3adc4ab5dfecb7a0131e68bf6cd2e88dc9258e22257", kill_on_drop: false }`
[INFO] [stdout] f5dae78dca9022ed873fa3adc4ab5dfecb7a0131e68bf6cd2e88dc9258e22257