[INFO] cloning repository https://github.com/iquiw/nscmd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iquiw/nscmd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiquiw%2Fnscmd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiquiw%2Fnscmd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cc7398e07ddb27ccd2b17cfdc5a0ef8ccb903179
[INFO] testing iquiw/nscmd against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiquiw%2Fnscmd" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iquiw/nscmd on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/iquiw/nscmd
[INFO] finished tweaking git repo https://github.com/iquiw/nscmd
[INFO] tweaked toml for git repo https://github.com/iquiw/nscmd written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/iquiw/nscmd already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76ad4ff8658875635029caef2d9362f6864b106c8779b36d3465de49de8461b8
[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" "76ad4ff8658875635029caef2d9362f6864b106c8779b36d3465de49de8461b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76ad4ff8658875635029caef2d9362f6864b106c8779b36d3465de49de8461b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76ad4ff8658875635029caef2d9362f6864b106c8779b36d3465de49de8461b8", kill_on_drop: false }`
[INFO] [stdout] 76ad4ff8658875635029caef2d9362f6864b106c8779b36d3465de49de8461b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af2c1304bbcfe65cb17e2b52d830cc71317644ca662a218205fc765e34c2bb7d
[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" "af2c1304bbcfe65cb17e2b52d830cc71317644ca662a218205fc765e34c2bb7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.36
[INFO] [stderr]    Compiling remove_dir_all v0.3.0
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling tempdir v0.3.6
[INFO] [stderr]    Compiling nscmd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:52:43
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn nscmd_main() -> Result<ExitStatus, 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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:83:34
[INFO] [stdout]    |
[INFO] [stdout] 83 |     fn new() -> Result<Self, Box<Error>> {
[INFO] [stdout]    |                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:90:45
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn setup_trans(&self) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:104:49
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn run_cmd(&self) -> Result<ExitStatus, Box<Error>> {
[INFO] [stdout]     |                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.88s
[INFO] running `Command { std: "docker" "inspect" "af2c1304bbcfe65cb17e2b52d830cc71317644ca662a218205fc765e34c2bb7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af2c1304bbcfe65cb17e2b52d830cc71317644ca662a218205fc765e34c2bb7d", kill_on_drop: false }`
[INFO] [stdout] af2c1304bbcfe65cb17e2b52d830cc71317644ca662a218205fc765e34c2bb7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 240d7876518a81326520b523e2fdd10749d92d209d4204dcba99cd0b98d49e6e
[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" "240d7876518a81326520b523e2fdd10749d92d209d4204dcba99cd0b98d49e6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling nscmd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:52:43
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn nscmd_main() -> Result<ExitStatus, 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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:83:34
[INFO] [stdout]    |
[INFO] [stdout] 83 |     fn new() -> Result<Self, Box<Error>> {
[INFO] [stdout]    |                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:90:45
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn setup_trans(&self) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:104:49
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn run_cmd(&self) -> Result<ExitStatus, Box<Error>> {
[INFO] [stdout]     |                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "240d7876518a81326520b523e2fdd10749d92d209d4204dcba99cd0b98d49e6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "240d7876518a81326520b523e2fdd10749d92d209d4204dcba99cd0b98d49e6e", kill_on_drop: false }`
[INFO] [stdout] 240d7876518a81326520b523e2fdd10749d92d209d4204dcba99cd0b98d49e6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b8f6bf5ad2e94b7aa8ea749c892b4f22a17f77b2e582e35e42bac4f8b86065d3
[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" "b8f6bf5ad2e94b7aa8ea749c892b4f22a17f77b2e582e35e42bac4f8b86065d3", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:52:43
[INFO] [stderr]    |
[INFO] [stderr] 52 | fn nscmd_main() -> Result<ExitStatus, 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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:83:34
[INFO] [stderr]    |
[INFO] [stderr] 83 |     fn new() -> Result<Self, Box<Error>> {
[INFO] [stderr]    |                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:90:45
[INFO] [stderr]    |
[INFO] [stderr] 90 |     fn setup_trans(&self) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:104:49
[INFO] [stderr]     |
[INFO] [stderr] 104 |     fn run_cmd(&self) -> Result<ExitStatus, Box<Error>> {
[INFO] [stderr]     |                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/nscmd-c5994cfdbb2fe6a5
[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" "b8f6bf5ad2e94b7aa8ea749c892b4f22a17f77b2e582e35e42bac4f8b86065d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8f6bf5ad2e94b7aa8ea749c892b4f22a17f77b2e582e35e42bac4f8b86065d3", kill_on_drop: false }`
[INFO] [stdout] b8f6bf5ad2e94b7aa8ea749c892b4f22a17f77b2e582e35e42bac4f8b86065d3