[INFO] updating cached repository https://github.com/tasdomas/sc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9f75d0e8d5a9d2f5022be574a5e32a4888abe15e
[INFO] testing tasdomas/sc against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftasdomas%2Fsc" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tasdomas/sc on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tasdomas/sc
[INFO] finished tweaking git repo https://github.com/tasdomas/sc
[INFO] tweaked toml for git repo https://github.com/tasdomas/sc written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/tasdomas/sc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "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" "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" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 984a0e305562bbcc1869b9acf15bb14db30f1f07cc8ff4285a47fafcd4e86370
[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" "984a0e305562bbcc1869b9acf15bb14db30f1f07cc8ff4285a47fafcd4e86370", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "984a0e305562bbcc1869b9acf15bb14db30f1f07cc8ff4285a47fafcd4e86370", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "984a0e305562bbcc1869b9acf15bb14db30f1f07cc8ff4285a47fafcd4e86370", kill_on_drop: false }`
[INFO] [stdout] 984a0e305562bbcc1869b9acf15bb14db30f1f07cc8ff4285a47fafcd4e86370
[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" "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" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a444b8e276335585ed52805afabd7e3d1c0ad0948e66e5355adf0f300cc0fe22
[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" "a444b8e276335585ed52805afabd7e3d1c0ad0948e66e5355adf0f300cc0fe22", kill_on_drop: false }`
[INFO] [stderr]    Compiling sc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `a` is never read
[INFO] [stdout]  --> src/ops.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut a :f32 = 0.0;
[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: value assigned to `b` is never read
[INFO] [stdout]   --> src/ops.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut b :f32 = 0.0;
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `S` should have a snake case name
[INFO] [stdout]  --> src/stack.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     S: Option<Box<StackElement<T>>>,
[INFO] [stdout]   |     ^ help: convert the identifier to snake case (notice the capitalization): `s`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `Sum` should have a snake case name
[INFO] [stdout]  --> src/ops.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn Sum(mut s: Stack<f32>) -> Stack<f32> {
[INFO] [stdout]   |        ^^^ help: convert the identifier to snake case (notice the capitalization): `sum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "a444b8e276335585ed52805afabd7e3d1c0ad0948e66e5355adf0f300cc0fe22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a444b8e276335585ed52805afabd7e3d1c0ad0948e66e5355adf0f300cc0fe22", kill_on_drop: false }`
[INFO] [stdout] a444b8e276335585ed52805afabd7e3d1c0ad0948e66e5355adf0f300cc0fe22
[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" "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" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abf71a216ec38b6ceaff5759c12a5ba641a2d03e48d906d59d0510ffed8583d4
[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" "abf71a216ec38b6ceaff5759c12a5ba641a2d03e48d906d59d0510ffed8583d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling sc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `a` is never read
[INFO] [stdout]  --> src/ops.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut a :f32 = 0.0;
[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: value assigned to `b` is never read
[INFO] [stdout]   --> src/ops.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut b :f32 = 0.0;
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `S` should have a snake case name
[INFO] [stdout]  --> src/stack.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     S: Option<Box<StackElement<T>>>,
[INFO] [stdout]   |     ^ help: convert the identifier to snake case (notice the capitalization): `s`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `Sum` should have a snake case name
[INFO] [stdout]  --> src/ops.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn Sum(mut s: Stack<f32>) -> Stack<f32> {
[INFO] [stdout]   |        ^^^ help: convert the identifier to snake case (notice the capitalization): `sum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `a` is never read
[INFO] [stdout]  --> src/ops.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut a :f32 = 0.0;
[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: value assigned to `b` is never read
[INFO] [stdout]   --> src/ops.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut b :f32 = 0.0;
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `S` should have a snake case name
[INFO] [stdout]  --> src/stack.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     S: Option<Box<StackElement<T>>>,
[INFO] [stdout]   |     ^ help: convert the identifier to snake case (notice the capitalization): `s`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `Sum` should have a snake case name
[INFO] [stdout]  --> src/ops.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn Sum(mut s: Stack<f32>) -> Stack<f32> {
[INFO] [stdout]   |        ^^^ help: convert the identifier to snake case (notice the capitalization): `sum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "abf71a216ec38b6ceaff5759c12a5ba641a2d03e48d906d59d0510ffed8583d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abf71a216ec38b6ceaff5759c12a5ba641a2d03e48d906d59d0510ffed8583d4", kill_on_drop: false }`
[INFO] [stdout] abf71a216ec38b6ceaff5759c12a5ba641a2d03e48d906d59d0510ffed8583d4
[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" "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" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] df646b7ea192e83d998658777623a4493a485dd5f145d714200a84eb998180ab
[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" "df646b7ea192e83d998658777623a4493a485dd5f145d714200a84eb998180ab", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `a` is never read
[INFO] [stderr]  --> src/ops.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let mut a :f32 = 0.0;
[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: value assigned to `b` is never read
[INFO] [stderr]   --> src/ops.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let mut b :f32 = 0.0;
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `S` should have a snake case name
[INFO] [stderr]  --> src/stack.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     S: Option<Box<StackElement<T>>>,
[INFO] [stderr]   |     ^ help: convert the identifier to snake case (notice the capitalization): `s`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `Sum` should have a snake case name
[INFO] [stderr]  --> src/ops.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn Sum(mut s: Stack<f32>) -> Stack<f32> {
[INFO] [stderr]   |        ^^^ help: convert the identifier to snake case (notice the capitalization): `sum`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `a` is never read
[INFO] [stderr]  --> src/ops.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let mut a :f32 = 0.0;
[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: value assigned to `b` is never read
[INFO] [stderr]   --> src/ops.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let mut b :f32 = 0.0;
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `S` should have a snake case name
[INFO] [stderr]  --> src/stack.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     S: Option<Box<StackElement<T>>>,
[INFO] [stderr]   |     ^ help: convert the identifier to snake case (notice the capitalization): `s`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `Sum` should have a snake case name
[INFO] [stderr]  --> src/ops.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn Sum(mut s: Stack<f32>) -> Stack<f32> {
[INFO] [stderr]   |        ^^^ help: convert the identifier to snake case (notice the capitalization): `sum`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sc-065ae969202ea3e5
[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] [stderr]      Running /opt/rustwide/target/debug/deps/sc-85d58b385b5945ba
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sc
[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" "df646b7ea192e83d998658777623a4493a485dd5f145d714200a84eb998180ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df646b7ea192e83d998658777623a4493a485dd5f145d714200a84eb998180ab", kill_on_drop: false }`
[INFO] [stdout] df646b7ea192e83d998658777623a4493a485dd5f145d714200a84eb998180ab