[INFO] cloning repository https://github.com/luojia65/sysevr-diff
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luojia65/sysevr-diff" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluojia65%2Fsysevr-diff", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluojia65%2Fsysevr-diff'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1749b9310f6ef4d8b98cd0120e4f3b6373b0e037
[INFO] testing luojia65/sysevr-diff against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluojia65%2Fsysevr-diff" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/luojia65/sysevr-diff 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 git repo https://github.com/luojia65/sysevr-diff
[INFO] finished tweaking git repo https://github.com/luojia65/sysevr-diff
[INFO] tweaked toml for git repo https://github.com/luojia65/sysevr-diff written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/luojia65/sysevr-diff already has a lockfile, it will not be regenerated
[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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] fcd3969d76ecdb2ce3d9f345f962e571beb2cf8d984479506ca1d22e6a15b412
[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" "fcd3969d76ecdb2ce3d9f345f962e571beb2cf8d984479506ca1d22e6a15b412", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fcd3969d76ecdb2ce3d9f345f962e571beb2cf8d984479506ca1d22e6a15b412", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcd3969d76ecdb2ce3d9f345f962e571beb2cf8d984479506ca1d22e6a15b412", kill_on_drop: false }`
[INFO] [stdout] fcd3969d76ecdb2ce3d9f345f962e571beb2cf8d984479506ca1d22e6a15b412
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c0d55e9e8ff6e4236aecf3a77eb0155c3db8445d8b197404ec9d53cf6f3126b8
[INFO] running `Command { std: "docker" "start" "-a" "c0d55e9e8ff6e4236aecf3a77eb0155c3db8445d8b197404ec9d53cf6f3126b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling sysevr-diff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]  --> src/gen.rs:8:30
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn gen_add_if_return<'a>(a: AddIfReturn, src: &'a str) -> Cv<'a> {
[INFO] [stdout]   |                              ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `src`
[INFO] [stdout]  --> src/gen.rs:8:46
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn gen_add_if_return<'a>(a: AddIfReturn, src: &'a str) -> Cv<'a> {
[INFO] [stdout]   |                                              ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Cv`
[INFO] [stdout]  --> src/gen.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Cv<'a> {
[INFO] [stdout]   |            ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gen_add_if_return`
[INFO] [stdout]  --> src/gen.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn gen_add_if_return<'a>(a: AddIfReturn, src: &'a str) -> Cv<'a> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.60s
[INFO] running `Command { std: "docker" "inspect" "c0d55e9e8ff6e4236aecf3a77eb0155c3db8445d8b197404ec9d53cf6f3126b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0d55e9e8ff6e4236aecf3a77eb0155c3db8445d8b197404ec9d53cf6f3126b8", kill_on_drop: false }`
[INFO] [stdout] c0d55e9e8ff6e4236aecf3a77eb0155c3db8445d8b197404ec9d53cf6f3126b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3cdfc3364df389f8277f0573c581e6a1870eddb4dc828dac32d99fa842c76636
[INFO] running `Command { std: "docker" "start" "-a" "3cdfc3364df389f8277f0573c581e6a1870eddb4dc828dac32d99fa842c76636", kill_on_drop: false }`
[INFO] [stderr]    Compiling sysevr-diff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]  --> src/gen.rs:8:30
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn gen_add_if_return<'a>(a: AddIfReturn, src: &'a str) -> Cv<'a> {
[INFO] [stdout]   |                              ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `src`
[INFO] [stdout]  --> src/gen.rs:8:46
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn gen_add_if_return<'a>(a: AddIfReturn, src: &'a str) -> Cv<'a> {
[INFO] [stdout]   |                                              ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Cv`
[INFO] [stdout]  --> src/gen.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Cv<'a> {
[INFO] [stdout]   |            ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gen_add_if_return`
[INFO] [stdout]  --> src/gen.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn gen_add_if_return<'a>(a: AddIfReturn, src: &'a str) -> Cv<'a> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "3cdfc3364df389f8277f0573c581e6a1870eddb4dc828dac32d99fa842c76636", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cdfc3364df389f8277f0573c581e6a1870eddb4dc828dac32d99fa842c76636", kill_on_drop: false }`
[INFO] [stdout] 3cdfc3364df389f8277f0573c581e6a1870eddb4dc828dac32d99fa842c76636
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 3b51a1e1c897de37466e1a1393c40a3b936b11d4bb8f44a7a859a2a0f1872189
[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" "3b51a1e1c897de37466e1a1393c40a3b936b11d4bb8f44a7a859a2a0f1872189", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]  --> src/gen.rs:8:30
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn gen_add_if_return<'a>(a: AddIfReturn, src: &'a str) -> Cv<'a> {
[INFO] [stderr]   |                              ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `src`
[INFO] [stderr]  --> src/gen.rs:8:46
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn gen_add_if_return<'a>(a: AddIfReturn, src: &'a str) -> Cv<'a> {
[INFO] [stderr]   |                                              ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Cv`
[INFO] [stderr]  --> src/gen.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct Cv<'a> {
[INFO] [stderr]   |            ^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gen_add_if_return`
[INFO] [stderr]  --> src/gen.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn gen_add_if_return<'a>(a: AddIfReturn, src: &'a str) -> Cv<'a> {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sysevr_diff-120e5ae2f05174d4
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test parse::tests::code_slices_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3b51a1e1c897de37466e1a1393c40a3b936b11d4bb8f44a7a859a2a0f1872189", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b51a1e1c897de37466e1a1393c40a3b936b11d4bb8f44a7a859a2a0f1872189", kill_on_drop: false }`
[INFO] [stdout] 3b51a1e1c897de37466e1a1393c40a3b936b11d4bb8f44a7a859a2a0f1872189