[INFO] cloning repository https://github.com/lambdabear/increasing_speed_limits
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lambdabear/increasing_speed_limits" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flambdabear%2Fincreasing_speed_limits", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flambdabear%2Fincreasing_speed_limits'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 99149c5336fe91b4c321acafbe9b4bb7230f26f6
[INFO] testing lambdabear/increasing_speed_limits against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flambdabear%2Fincreasing_speed_limits" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lambdabear/increasing_speed_limits on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lambdabear/increasing_speed_limits
[INFO] finished tweaking git repo https://github.com/lambdabear/increasing_speed_limits
[INFO] tweaked toml for git repo https://github.com/lambdabear/increasing_speed_limits written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/lambdabear/increasing_speed_limits already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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" "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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c7dd9b4f6beccaf403219b822942cea4ca1ea78bf954639c4e6ec7f532f55b2
[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" "8c7dd9b4f6beccaf403219b822942cea4ca1ea78bf954639c4e6ec7f532f55b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c7dd9b4f6beccaf403219b822942cea4ca1ea78bf954639c4e6ec7f532f55b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c7dd9b4f6beccaf403219b822942cea4ca1ea78bf954639c4e6ec7f532f55b2", kill_on_drop: false }`
[INFO] [stdout] 8c7dd9b4f6beccaf403219b822942cea4ca1ea78bf954639c4e6ec7f532f55b2
[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" "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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05891b88e43d7fd6843221cb148ee2bab9d2894fb500e479d88c2b8404148140
[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" "05891b88e43d7fd6843221cb148ee2bab9d2894fb500e479d88c2b8404148140", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.24
[INFO] [stderr]    Compiling time v0.1.37
[INFO] [stderr]    Compiling increasing-speed-limits v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:29:46
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn run(config: Config) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/lib.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |         for j in 0..m {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let N = v[0].parse::<u32>().expect("parse error");
[INFO] [stdout]    |         ^ help: convert the identifier to snake case: `n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `MOD` should have a snake case name
[INFO] [stdout]   --> src/compute.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let MOD = 1_000_000_007;
[INFO] [stdout]    |         ^^^ help: convert the identifier to snake case: `mod`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.03s
[INFO] running `Command { std: "docker" "inspect" "05891b88e43d7fd6843221cb148ee2bab9d2894fb500e479d88c2b8404148140", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05891b88e43d7fd6843221cb148ee2bab9d2894fb500e479d88c2b8404148140", kill_on_drop: false }`
[INFO] [stdout] 05891b88e43d7fd6843221cb148ee2bab9d2894fb500e479d88c2b8404148140
[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" "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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b46b4c3cea0a7e01a74ba63e046767176d4244ddb28b06ef92f74fc06ca37182
[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" "b46b4c3cea0a7e01a74ba63e046767176d4244ddb28b06ef92f74fc06ca37182", kill_on_drop: false }`
[INFO] [stderr]    Compiling increasing-speed-limits v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:29:46
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn run(config: Config) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/lib.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |         for j in 0..m {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let N = v[0].parse::<u32>().expect("parse error");
[INFO] [stdout]    |         ^ help: convert the identifier to snake case: `n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `MOD` should have a snake case name
[INFO] [stdout]   --> src/compute.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let MOD = 1_000_000_007;
[INFO] [stdout]    |         ^^^ help: convert the identifier to snake case: `mod`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:29:46
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn run(config: Config) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/lib.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |         for j in 0..m {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let N = v[0].parse::<u32>().expect("parse error");
[INFO] [stdout]    |         ^ help: convert the identifier to snake case: `n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `MOD` should have a snake case name
[INFO] [stdout]   --> src/compute.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let MOD = 1_000_000_007;
[INFO] [stdout]    |         ^^^ help: convert the identifier to snake case: `mod`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_BIT` should have a snake case name
[INFO] [stdout]   --> src/compute.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn test_BIT() {
[INFO] [stdout]    |    ^^^^^^^^ help: convert the identifier to snake case: `test_bit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.22s
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b46b4c3cea0a7e01a74ba63e046767176d4244ddb28b06ef92f74fc06ca37182", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b46b4c3cea0a7e01a74ba63e046767176d4244ddb28b06ef92f74fc06ca37182", kill_on_drop: false }`
[INFO] [stdout] b46b4c3cea0a7e01a74ba63e046767176d4244ddb28b06ef92f74fc06ca37182
[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" "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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c5e0d3130b0c23e7de1529a777de1f3d2c86a102580261b94074fcec4cb5550f
[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" "c5e0d3130b0c23e7de1529a777de1f3d2c86a102580261b94074fcec4cb5550f", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout] running 1 test
[INFO] [stderr]   --> src/lib.rs:29:46
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub fn run(config: Config) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]   --> src/lib.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 |         for j in 0..m {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `N` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let N = v[0].parse::<u32>().expect("parse error");
[INFO] [stderr]    |         ^ help: convert the identifier to snake case: `n`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `MOD` should have a snake case name
[INFO] [stderr]   --> src/compute.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let MOD = 1_000_000_007;
[INFO] [stderr]    |         ^^^ help: convert the identifier to snake case: `mod`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:29:46
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub fn run(config: Config) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]   --> src/lib.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 |         for j in 0..m {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `N` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let N = v[0].parse::<u32>().expect("parse error");
[INFO] [stderr]    |         ^ help: convert the identifier to snake case: `n`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `MOD` should have a snake case name
[INFO] [stderr]   --> src/compute.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let MOD = 1_000_000_007;
[INFO] [stderr]    |         ^^^ help: convert the identifier to snake case: `mod`
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_BIT` should have a snake case name
[INFO] [stderr]   --> src/compute.rs:60:4
[INFO] [stderr]    |
[INFO] [stderr] 60 | fn test_BIT() {
[INFO] [stderr]    |    ^^^^^^^^ help: convert the identifier to snake case: `test_bit`
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/increasing_speed_limits-d1073e6704dfb92c
[INFO] [stdout] test compute::test_BIT ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/increasing_speed_limits-88116644605f89e0
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests increasing-speed-limits
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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; finished in 0.00s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c5e0d3130b0c23e7de1529a777de1f3d2c86a102580261b94074fcec4cb5550f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5e0d3130b0c23e7de1529a777de1f3d2c86a102580261b94074fcec4cb5550f", kill_on_drop: false }`
[INFO] [stdout] c5e0d3130b0c23e7de1529a777de1f3d2c86a102580261b94074fcec4cb5550f