[INFO] fetching crate csv_to_json 1.0.2...
[INFO] testing csv_to_json-1.0.2 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate csv_to_json 1.0.2 into /workspace/builds/worker-34/source
[INFO] validating manifest of crates.io crate csv_to_json 1.0.2 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate csv_to_json 1.0.2
[INFO] finished tweaking crates.io crate csv_to_json 1.0.2
[INFO] tweaked toml for crates.io crate csv_to_json 1.0.2 written to /workspace/builds/worker-34/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 18d2c857a2693b86ff94397e34662b653cb82b5838ec0b4fbb1a265259eab6fa
[INFO] running `Command { std: "docker" "start" "-a" "18d2c857a2693b86ff94397e34662b653cb82b5838ec0b4fbb1a265259eab6fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18d2c857a2693b86ff94397e34662b653cb82b5838ec0b4fbb1a265259eab6fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18d2c857a2693b86ff94397e34662b653cb82b5838ec0b4fbb1a265259eab6fa", kill_on_drop: false }`
[INFO] [stdout] 18d2c857a2693b86ff94397e34662b653cb82b5838ec0b4fbb1a265259eab6fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1cb2cbabea2db7eee327fd84e2499c9f8d8a42bf850b32a05058be872eaec808
[INFO] running `Command { std: "docker" "start" "-a" "1cb2cbabea2db7eee327fd84e2499c9f8d8a42bf850b32a05058be872eaec808", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling csv v0.14.7
[INFO] [stderr]    Compiling csv_to_json v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:17:18
[INFO] [stdout]    |
[INFO] [stdout] 17 |       let file = try!(File::open(filename));
[INFO] [stdout]    |                  ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:14:65
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn arg_or_stdin(filename_or_none: Option<String>) -> Result<Box<Read>, io::Error> {
[INFO] [stdout]    |                                                                 ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 14 - fn arg_or_stdin(filename_or_none: Option<String>) -> Result<Box<Read>, io::Error> {
[INFO] [stdout] 14 + fn arg_or_stdin(filename_or_none: Option<String>) -> Result<Box<dyn Read>, io::Error> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:18:32
[INFO] [stdout]    |
[INFO] [stdout] 18 |       Ok(Box::new(file) as Box<Read>)
[INFO] [stdout]    |                                ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 18 -       Ok(Box::new(file) as Box<Read>)
[INFO] [stdout] 18 +       Ok(Box::new(file) as Box<dyn Read>)
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:21:39
[INFO] [stdout]    |
[INFO] [stdout] 21 |       Ok(Box::new(io::stdin()) as Box<Read>)
[INFO] [stdout]    |                                       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 21 -       Ok(Box::new(io::stdin()) as Box<Read>)
[INFO] [stdout] 21 +       Ok(Box::new(io::stdin()) as Box<dyn Read>)
[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 5.78s
[INFO] running `Command { std: "docker" "inspect" "1cb2cbabea2db7eee327fd84e2499c9f8d8a42bf850b32a05058be872eaec808", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cb2cbabea2db7eee327fd84e2499c9f8d8a42bf850b32a05058be872eaec808", kill_on_drop: false }`
[INFO] [stdout] 1cb2cbabea2db7eee327fd84e2499c9f8d8a42bf850b32a05058be872eaec808
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d30494b7ff99c5429bf69dcd58ac9be86c6807c35c0e955443802a1f43dc655d
[INFO] running `Command { std: "docker" "start" "-a" "d30494b7ff99c5429bf69dcd58ac9be86c6807c35c0e955443802a1f43dc655d", kill_on_drop: false }`
[INFO] [stderr]    Compiling csv_to_json v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:17:18
[INFO] [stdout]    |
[INFO] [stdout] 17 |       let file = try!(File::open(filename));
[INFO] [stdout]    |                  ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:14:65
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn arg_or_stdin(filename_or_none: Option<String>) -> Result<Box<Read>, io::Error> {
[INFO] [stdout]    |                                                                 ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 14 - fn arg_or_stdin(filename_or_none: Option<String>) -> Result<Box<Read>, io::Error> {
[INFO] [stdout] 14 + fn arg_or_stdin(filename_or_none: Option<String>) -> Result<Box<dyn Read>, io::Error> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:18:32
[INFO] [stdout]    |
[INFO] [stdout] 18 |       Ok(Box::new(file) as Box<Read>)
[INFO] [stdout]    |                                ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 18 -       Ok(Box::new(file) as Box<Read>)
[INFO] [stdout] 18 +       Ok(Box::new(file) as Box<dyn Read>)
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:21:39
[INFO] [stdout]    |
[INFO] [stdout] 21 |       Ok(Box::new(io::stdin()) as Box<Read>)
[INFO] [stdout]    |                                       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 21 -       Ok(Box::new(io::stdin()) as Box<Read>)
[INFO] [stdout] 21 +       Ok(Box::new(io::stdin()) as Box<dyn Read>)
[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 1.24s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/csv_to_json-fddbfec5c1c8e9d9)
[INFO] running `Command { std: "docker" "inspect" "d30494b7ff99c5429bf69dcd58ac9be86c6807c35c0e955443802a1f43dc655d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d30494b7ff99c5429bf69dcd58ac9be86c6807c35c0e955443802a1f43dc655d", kill_on_drop: false }`
[INFO] [stdout] d30494b7ff99c5429bf69dcd58ac9be86c6807c35c0e955443802a1f43dc655d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e6844102727a348bc3501d4bf2f8dbf6c1d526056516f708b6ddc8fb9ae41ad6
[INFO] running `Command { std: "docker" "start" "-a" "e6844102727a348bc3501d4bf2f8dbf6c1d526056516f708b6ddc8fb9ae41ad6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:17:18
[INFO] [stderr]    |
[INFO] [stderr] 17 |       let file = try!(File::open(filename));
[INFO] [stderr]    |                  ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:14:65
[INFO] [stderr]    |
[INFO] [stderr] 14 | fn arg_or_stdin(filename_or_none: Option<String>) -> Result<Box<Read>, io::Error> {
[INFO] [stderr]    |                                                                 ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 14 - fn arg_or_stdin(filename_or_none: Option<String>) -> Result<Box<Read>, io::Error> {
[INFO] [stderr] 14 + fn arg_or_stdin(filename_or_none: Option<String>) -> Result<Box<dyn Read>, io::Error> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:18:32
[INFO] [stderr]    |
[INFO] [stderr] 18 |       Ok(Box::new(file) as Box<Read>)
[INFO] [stderr]    |                                ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 18 -       Ok(Box::new(file) as Box<Read>)
[INFO] [stderr] 18 +       Ok(Box::new(file) as Box<dyn Read>)
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:21:39
[INFO] [stderr]    |
[INFO] [stderr] 21 |       Ok(Box::new(io::stdin()) as Box<Read>)
[INFO] [stderr]    |                                       ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 21 -       Ok(Box::new(io::stdin()) as Box<Read>)
[INFO] [stderr] 21 +       Ok(Box::new(io::stdin()) as Box<dyn Read>)
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `csv_to_json` (bin "csv_to_json" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.16s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/csv_to_json-fddbfec5c1c8e9d9)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e6844102727a348bc3501d4bf2f8dbf6c1d526056516f708b6ddc8fb9ae41ad6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6844102727a348bc3501d4bf2f8dbf6c1d526056516f708b6ddc8fb9ae41ad6", kill_on_drop: false }`
[INFO] [stdout] e6844102727a348bc3501d4bf2f8dbf6c1d526056516f708b6ddc8fb9ae41ad6