[INFO] cloning repository https://github.com/TangiFavennec/RustSample
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TangiFavennec/RustSample" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTangiFavennec%2FRustSample", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTangiFavennec%2FRustSample'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 12d943da08066c066f03974ce392d63cec5be4af
[INFO] checking TangiFavennec/RustSample against master#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTangiFavennec%2FRustSample" "/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/TangiFavennec/RustSample on toolchain c919f490bbcd2b29b74016101f7ec71aaa24bdbb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TangiFavennec/RustSample
[INFO] finished tweaking git repo https://github.com/TangiFavennec/RustSample
[INFO] tweaked toml for git repo https://github.com/TangiFavennec/RustSample written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/TangiFavennec/RustSample already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "metadata" "--no-deps" "--format-version=1", 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] 3471d7ce0463d03ca7c131edda7f8e9b0460105fef74c3f1d9bc6fa62f82c086
[INFO] running `Command { std: "docker" "start" "-a" "3471d7ce0463d03ca7c131edda7f8e9b0460105fef74c3f1d9bc6fa62f82c086", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3471d7ce0463d03ca7c131edda7f8e9b0460105fef74c3f1d9bc6fa62f82c086", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3471d7ce0463d03ca7c131edda7f8e9b0460105fef74c3f1d9bc6fa62f82c086", kill_on_drop: false }`
[INFO] [stdout] 3471d7ce0463d03ca7c131edda7f8e9b0460105fef74c3f1d9bc6fa62f82c086
[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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f77e81b39fbd1590d1e4f3002d5145c2d2e27d1110a7ef2d556d42371f19159d
[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" "f77e81b39fbd1590d1e4f3002d5145c2d2e27d1110a7ef2d556d42371f19159d", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.32
[INFO] [stderr]     Checking byteorder v1.1.0
[INFO] [stderr]     Checking serde v1.0.16
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]    Compiling serde_derive_internals v0.16.0
[INFO] [stderr]     Checking rmp v0.8.7
[INFO] [stderr]     Checking atty v0.2.3
[INFO] [stderr]     Checking rand v0.3.17
[INFO] [stderr]     Checking clap v2.27.1
[INFO] [stderr]    Compiling serde_derive v1.0.16
[INFO] [stderr]     Checking rmp-serde v0.13.7
[INFO] [stderr]     Checking serde_json v1.0.4
[INFO] [stderr]     Checking rust_sample v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:381:61
[INFO] [stdout]     |
[INFO] [stdout] 381 | ...                   .map_err(|e| String::from(e.description()))
[INFO] [stdout]     |                                                   ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:397:61
[INFO] [stdout]     |
[INFO] [stdout] 397 | ...                   .map_err(|e| String::from(e.description()))
[INFO] [stdout]     |                                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:413:61
[INFO] [stdout]     |
[INFO] [stdout] 413 | ...                   .map_err(|e| String::from(e.description()))
[INFO] [stdout]     |                                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:381:61
[INFO] [stdout]     |
[INFO] [stdout] 381 | ...                   .map_err(|e| String::from(e.description()))
[INFO] [stdout]     |                                                   ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:397:61
[INFO] [stdout]     |
[INFO] [stdout] 397 | ...                   .map_err(|e| String::from(e.description()))
[INFO] [stdout]     |                                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:413:61
[INFO] [stdout]     |
[INFO] [stdout] 413 | ...                   .map_err(|e| String::from(e.description()))
[INFO] [stdout]     |                                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.66s
[INFO] running `Command { std: "docker" "inspect" "f77e81b39fbd1590d1e4f3002d5145c2d2e27d1110a7ef2d556d42371f19159d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f77e81b39fbd1590d1e4f3002d5145c2d2e27d1110a7ef2d556d42371f19159d", kill_on_drop: false }`
[INFO] [stdout] f77e81b39fbd1590d1e4f3002d5145c2d2e27d1110a7ef2d556d42371f19159d