[INFO] cloning repository https://github.com/lawliet89/trait-obj
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lawliet89/trait-obj" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flawliet89%2Ftrait-obj", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flawliet89%2Ftrait-obj'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 63162d70145ef70587c640ee196519218ab9e1aa
[INFO] checking lawliet89/trait-obj against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flawliet89%2Ftrait-obj" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lawliet89/trait-obj on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lawliet89/trait-obj
[INFO] finished tweaking git repo https://github.com/lawliet89/trait-obj
[INFO] tweaked toml for git repo https://github.com/lawliet89/trait-obj written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/lawliet89/trait-obj already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4bb20e21b54bcfe527a642a96a959eea2a2ce4cd645b924309da439560ae12c0
[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" "4bb20e21b54bcfe527a642a96a959eea2a2ce4cd645b924309da439560ae12c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4bb20e21b54bcfe527a642a96a959eea2a2ce4cd645b924309da439560ae12c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bb20e21b54bcfe527a642a96a959eea2a2ce4cd645b924309da439560ae12c0", kill_on_drop: false }`
[INFO] [stdout] 4bb20e21b54bcfe527a642a96a959eea2a2ce4cd645b924309da439560ae12c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d7f5713ef95cb42c9cfdc143904c503120a9a26a999fd9c13e218aad47c4d50
[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" "6d7f5713ef95cb42c9cfdc143904c503120a9a26a999fd9c13e218aad47c4d50", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.21
[INFO] [stderr]     Checking rustc-serialize v0.3.23
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking csv v0.15.0
[INFO] [stderr]     Checking trait-obj v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:50:20
[INFO] [stdout]    |
[INFO] [stdout] 50 |     validator: Box<Validator>,
[INFO] [stdout]    |                    ^^^^^^^^^ help: use `dyn`: `dyn Validator`
[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:54:53
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn new(reader: csv::Reader<Rdr>, validator: Box<Validator>) -> Self {
[INFO] [stdout]    |                                                     ^^^^^^^^^ help: use `dyn`: `dyn Validator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:80:24
[INFO] [stdout]    |
[INFO] [stdout] 80 |     validator: Box<&'a Validator>,
[INFO] [stdout]    |                        ^^^^^^^^^ help: use `dyn`: `dyn Validator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:85:67
[INFO] [stdout]    |
[INFO] [stdout] 85 |     fn new(records: csv::ByteRecords<'a, Rdr>, validator: Box<&'a Validator>) -> Self {
[INFO] [stdout]    |                                                                   ^^^^^^^^^ help: use `dyn`: `dyn Validator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:50:20
[INFO] [stdout]    |
[INFO] [stdout] 50 |     validator: Box<Validator>,
[INFO] [stdout]    |                    ^^^^^^^^^ help: use `dyn`: `dyn Validator`
[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:54:53
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn new(reader: csv::Reader<Rdr>, validator: Box<Validator>) -> Self {
[INFO] [stdout]    |                                                     ^^^^^^^^^ help: use `dyn`: `dyn Validator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:80:24
[INFO] [stdout]    |
[INFO] [stdout] 80 |     validator: Box<&'a Validator>,
[INFO] [stdout]    |                        ^^^^^^^^^ help: use `dyn`: `dyn Validator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:85:67
[INFO] [stdout]    |
[INFO] [stdout] 85 |     fn new(records: csv::ByteRecords<'a, Rdr>, validator: Box<&'a Validator>) -> Self {
[INFO] [stdout]    |                                                                   ^^^^^^^^^ help: use `dyn`: `dyn Validator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `byte_strings_to_string`
[INFO] [stdout]   --> src/main.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn byte_strings_to_string(record: Vec<csv::ByteString>) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `byte_strings_to_string`
[INFO] [stdout]   --> src/main.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn byte_strings_to_string(record: Vec<csv::ByteString>) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.07s
[INFO] running `Command { std: "docker" "inspect" "6d7f5713ef95cb42c9cfdc143904c503120a9a26a999fd9c13e218aad47c4d50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d7f5713ef95cb42c9cfdc143904c503120a9a26a999fd9c13e218aad47c4d50", kill_on_drop: false }`
[INFO] [stdout] 6d7f5713ef95cb42c9cfdc143904c503120a9a26a999fd9c13e218aad47c4d50