[INFO] cloning repository https://github.com/arnavb/tree-clone-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arnavb/tree-clone-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farnavb%2Ftree-clone-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farnavb%2Ftree-clone-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 51477bfb8d351e57e85a60c3fa663ccbf8cf1641
[INFO] testing arnavb/tree-clone-rs against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farnavb%2Ftree-clone-rs" "/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/arnavb/tree-clone-rs 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/arnavb/tree-clone-rs
[INFO] finished tweaking git repo https://github.com/arnavb/tree-clone-rs
[INFO] tweaked toml for git repo https://github.com/arnavb/tree-clone-rs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/arnavb/tree-clone-rs 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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9298adfa9ccaf609757a841766c2cb5fd7f1a76983a6cf1feb6b3a5e8f001a0d
[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" "9298adfa9ccaf609757a841766c2cb5fd7f1a76983a6cf1feb6b3a5e8f001a0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9298adfa9ccaf609757a841766c2cb5fd7f1a76983a6cf1feb6b3a5e8f001a0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9298adfa9ccaf609757a841766c2cb5fd7f1a76983a6cf1feb6b3a5e8f001a0d", kill_on_drop: false }`
[INFO] [stdout] 9298adfa9ccaf609757a841766c2cb5fd7f1a76983a6cf1feb6b3a5e8f001a0d
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82937e9d11664974724945eaf7733701e69a98134233dd8a303ab2bf839127ac
[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" "82937e9d11664974724945eaf7733701e69a98134233dd8a303ab2bf839127ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling tree-clone-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:39:28
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn cli() -> Result<(), Box<StdError>> {
[INFO] [stdout]    |                            ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.68s
[INFO] running `Command { std: "docker" "inspect" "82937e9d11664974724945eaf7733701e69a98134233dd8a303ab2bf839127ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82937e9d11664974724945eaf7733701e69a98134233dd8a303ab2bf839127ac", kill_on_drop: false }`
[INFO] [stdout] 82937e9d11664974724945eaf7733701e69a98134233dd8a303ab2bf839127ac
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] b197c82c289c7579d9cf1c60894a1c6b8a59d978aa6b6e1533ccf9c668b6f658
[INFO] running `Command { std: "docker" "start" "-a" "b197c82c289c7579d9cf1c60894a1c6b8a59d978aa6b6e1533ccf9c668b6f658", kill_on_drop: false }`
[INFO] [stderr]    Compiling tree-clone-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:39:28
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn cli() -> Result<(), Box<StdError>> {
[INFO] [stdout]    |                            ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "b197c82c289c7579d9cf1c60894a1c6b8a59d978aa6b6e1533ccf9c668b6f658", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b197c82c289c7579d9cf1c60894a1c6b8a59d978aa6b6e1533ccf9c668b6f658", kill_on_drop: false }`
[INFO] [stdout] b197c82c289c7579d9cf1c60894a1c6b8a59d978aa6b6e1533ccf9c668b6f658
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 81563f9dd26898b76aaa36bbadf8f47eb94d47e3b9176e86b5d46f1f67033463
[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" "81563f9dd26898b76aaa36bbadf8f47eb94d47e3b9176e86b5d46f1f67033463", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:39:28
[INFO] [stderr]    |
[INFO] [stderr] 39 | fn cli() -> Result<(), Box<StdError>> {
[INFO] [stderr]    |                            ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tree_clone_rs-9ca7738cd0c5a6f3
[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" "81563f9dd26898b76aaa36bbadf8f47eb94d47e3b9176e86b5d46f1f67033463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81563f9dd26898b76aaa36bbadf8f47eb94d47e3b9176e86b5d46f1f67033463", kill_on_drop: false }`
[INFO] [stdout] 81563f9dd26898b76aaa36bbadf8f47eb94d47e3b9176e86b5d46f1f67033463