[INFO] crate forge 0.1.0 is already in cache
[INFO] testing forge-0.1.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate forge 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate forge 0.1.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate forge 0.1.0
[INFO] finished tweaking crates.io crate forge 0.1.0
[INFO] tweaked toml for crates.io crate forge 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d024fbcb5e55ac0f0d3646ed5828a66fc94cf874ae9d05e94fc455050420800f
[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" "d024fbcb5e55ac0f0d3646ed5828a66fc94cf874ae9d05e94fc455050420800f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d024fbcb5e55ac0f0d3646ed5828a66fc94cf874ae9d05e94fc455050420800f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d024fbcb5e55ac0f0d3646ed5828a66fc94cf874ae9d05e94fc455050420800f", kill_on_drop: false }`
[INFO] [stdout] d024fbcb5e55ac0f0d3646ed5828a66fc94cf874ae9d05e94fc455050420800f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] efcdbbdccbb0ed7ca1201db9132fdb51515a19c6fbe0f4b35258161d3539fbfe
[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" "efcdbbdccbb0ed7ca1201db9132fdb51515a19c6fbe0f4b35258161d3539fbfe", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling forge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Success`
[INFO] [stdout]  --> src/log.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Success,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Warning`
[INFO] [stdout]  --> src/log.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Warning,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `success`
[INFO] [stdout]   --> src/log.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn success(s: &str) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `warn`
[INFO] [stdout]   --> src/log.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn warn(s: &str) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Cargo`
[INFO] [stdout]   --> src/cargo.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Cargo,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `verbose`
[INFO] [stdout]   --> src/cli.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn verbose(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `version`
[INFO] [stdout]   --> src/cli.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn version(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.56s
[INFO] running `Command { std: "docker" "inspect" "efcdbbdccbb0ed7ca1201db9132fdb51515a19c6fbe0f4b35258161d3539fbfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efcdbbdccbb0ed7ca1201db9132fdb51515a19c6fbe0f4b35258161d3539fbfe", kill_on_drop: false }`
[INFO] [stdout] efcdbbdccbb0ed7ca1201db9132fdb51515a19c6fbe0f4b35258161d3539fbfe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13757643f0f31c693fa40293e18836de6280457b7dc0a1da409a4574dc360a35
[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" "13757643f0f31c693fa40293e18836de6280457b7dc0a1da409a4574dc360a35", kill_on_drop: false }`
[INFO] [stderr]    Compiling forge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Success`
[INFO] [stdout]  --> src/log.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Success,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Warning`
[INFO] [stdout]  --> src/log.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Warning,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `success`
[INFO] [stdout]   --> src/log.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn success(s: &str) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `warn`
[INFO] [stdout]   --> src/log.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn warn(s: &str) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Cargo`
[INFO] [stdout]   --> src/cargo.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Cargo,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `verbose`
[INFO] [stdout]   --> src/cli.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn verbose(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `version`
[INFO] [stdout]   --> src/cli.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn version(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "13757643f0f31c693fa40293e18836de6280457b7dc0a1da409a4574dc360a35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13757643f0f31c693fa40293e18836de6280457b7dc0a1da409a4574dc360a35", kill_on_drop: false }`
[INFO] [stdout] 13757643f0f31c693fa40293e18836de6280457b7dc0a1da409a4574dc360a35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 19105cb4987760d083792a97279ee18284d98d22ab21fd80595328c500a10ce7
[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" "19105cb4987760d083792a97279ee18284d98d22ab21fd80595328c500a10ce7", kill_on_drop: false }`
[INFO] [stderr] warning: variant is never constructed: `Success`
[INFO] [stderr]  --> src/log.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     Success,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Warning`
[INFO] [stderr]  --> src/log.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Warning,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `success`
[INFO] [stderr]   --> src/log.rs:19:8
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub fn success(s: &str) {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `warn`
[INFO] [stderr]   --> src/log.rs:23:8
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub fn warn(s: &str) {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Cargo`
[INFO] [stderr]   --> src/cargo.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     Cargo,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `verbose`
[INFO] [stderr]   --> src/cli.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn verbose(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `version`
[INFO] [stderr]   --> src/cli.rs:25:12
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn version(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/forge-9fad7927c1951ef6
[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" "19105cb4987760d083792a97279ee18284d98d22ab21fd80595328c500a10ce7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19105cb4987760d083792a97279ee18284d98d22ab21fd80595328c500a10ce7", kill_on_drop: false }`
[INFO] [stdout] 19105cb4987760d083792a97279ee18284d98d22ab21fd80595328c500a10ce7