[INFO] crate arg_input 2.0.1 is already in cache
[INFO] testing arg_input-2.0.1 against 1.45.2 for beta-1.46-1
[INFO] extracting crate arg_input 2.0.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate arg_input 2.0.1 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arg_input 2.0.1
[INFO] finished tweaking crates.io crate arg_input 2.0.1
[INFO] tweaked toml for crates.io crate arg_input 2.0.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f25fe1ab08f59cfe80e34423cca1eac8058c57b1e35a1a2187fb7bf72e4c08d
[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" "1f25fe1ab08f59cfe80e34423cca1eac8058c57b1e35a1a2187fb7bf72e4c08d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f25fe1ab08f59cfe80e34423cca1eac8058c57b1e35a1a2187fb7bf72e4c08d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f25fe1ab08f59cfe80e34423cca1eac8058c57b1e35a1a2187fb7bf72e4c08d", kill_on_drop: false }`
[INFO] [stdout] 1f25fe1ab08f59cfe80e34423cca1eac8058c57b1e35a1a2187fb7bf72e4c08d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9263d855b43f9a7835aa8ead39996c42361b07f3c2e883b5aa765f43c179eb0b
[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" "9263d855b43f9a7835aa8ead39996c42361b07f3c2e883b5aa765f43c179eb0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling arg_input v2.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:42:30
[INFO] [stdout]    |
[INFO] [stdout] 42 |   fn cause(&self) -> Option<&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/lib.rs:66:30
[INFO] [stdout]    |
[INFO] [stdout] 66 |   fn cause(&self) -> Option<&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/lib.rs:127:42
[INFO] [stdout]     |
[INFO] [stdout] 127 | pub type Lines = io::Lines<BufReader<Box<Read>>>;
[INFO] [stdout]     |                                          ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:148:29
[INFO] [stdout]     |
[INFO] [stdout] 148 | pub fn argf() -> Result<Box<Read>, InputError> {
[INFO] [stdout]     |                             ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:177:48
[INFO] [stdout]     |
[INFO] [stdout] 177 | pub fn input<I, J, S>(inputs: I) -> Result<Box<Read>, InputError> where
[INFO] [stdout]     |                                                ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:194:28
[INFO] [stdout]     |
[INFO] [stdout] 194 |   I: IntoIterator<Item=Box<Read>>
[INFO] [stdout]     |                            ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:193:40
[INFO] [stdout]     |
[INFO] [stdout] 193 | fn chain_all_reads<I>(reads: I) -> Box<Read> where
[INFO] [stdout]     |                                        ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:201:46
[INFO] [stdout]     |
[INFO] [stdout] 201 | fn from_arg<'a>(arg: &'a Path) -> Result<Box<Read>, FailReadFileError> {
[INFO] [stdout]     |                                              ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "9263d855b43f9a7835aa8ead39996c42361b07f3c2e883b5aa765f43c179eb0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9263d855b43f9a7835aa8ead39996c42361b07f3c2e883b5aa765f43c179eb0b", kill_on_drop: false }`
[INFO] [stdout] 9263d855b43f9a7835aa8ead39996c42361b07f3c2e883b5aa765f43c179eb0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62b8d6a92c5f2b966502aaab3039eb7ea25df403753b963e040b7b74987a5601
[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" "62b8d6a92c5f2b966502aaab3039eb7ea25df403753b963e040b7b74987a5601", kill_on_drop: false }`
[INFO] [stderr]    Compiling arg_input v2.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:42:30
[INFO] [stdout]    |
[INFO] [stdout] 42 |   fn cause(&self) -> Option<&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/lib.rs:66:30
[INFO] [stdout]    |
[INFO] [stdout] 66 |   fn cause(&self) -> Option<&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/lib.rs:127:42
[INFO] [stdout]     |
[INFO] [stdout] 127 | pub type Lines = io::Lines<BufReader<Box<Read>>>;
[INFO] [stdout]     |                                          ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:148:29
[INFO] [stdout]     |
[INFO] [stdout] 148 | pub fn argf() -> Result<Box<Read>, InputError> {
[INFO] [stdout]     |                             ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:177:48
[INFO] [stdout]     |
[INFO] [stdout] 177 | pub fn input<I, J, S>(inputs: I) -> Result<Box<Read>, InputError> where
[INFO] [stdout]     |                                                ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:194:28
[INFO] [stdout]     |
[INFO] [stdout] 194 |   I: IntoIterator<Item=Box<Read>>
[INFO] [stdout]     |                            ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:193:40
[INFO] [stdout]     |
[INFO] [stdout] 193 | fn chain_all_reads<I>(reads: I) -> Box<Read> where
[INFO] [stdout]     |                                        ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:201:46
[INFO] [stdout]     |
[INFO] [stdout] 201 | fn from_arg<'a>(arg: &'a Path) -> Result<Box<Read>, FailReadFileError> {
[INFO] [stdout]     |                                              ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:42:30
[INFO] [stdout]    |
[INFO] [stdout] 42 |   fn cause(&self) -> Option<&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/lib.rs:66:30
[INFO] [stdout]    |
[INFO] [stdout] 66 |   fn cause(&self) -> Option<&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/lib.rs:127:42
[INFO] [stdout]     |
[INFO] [stdout] 127 | pub type Lines = io::Lines<BufReader<Box<Read>>>;
[INFO] [stdout]     |                                          ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:148:29
[INFO] [stdout]     |
[INFO] [stdout] 148 | pub fn argf() -> Result<Box<Read>, InputError> {
[INFO] [stdout]     |                             ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:177:48
[INFO] [stdout]     |
[INFO] [stdout] 177 | pub fn input<I, J, S>(inputs: I) -> Result<Box<Read>, InputError> where
[INFO] [stdout]     |                                                ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:194:28
[INFO] [stdout]     |
[INFO] [stdout] 194 |   I: IntoIterator<Item=Box<Read>>
[INFO] [stdout]     |                            ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:193:40
[INFO] [stdout]     |
[INFO] [stdout] 193 | fn chain_all_reads<I>(reads: I) -> Box<Read> where
[INFO] [stdout]     |                                        ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:201:46
[INFO] [stdout]     |
[INFO] [stdout] 201 | fn from_arg<'a>(arg: &'a Path) -> Result<Box<Read>, FailReadFileError> {
[INFO] [stdout]     |                                              ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "62b8d6a92c5f2b966502aaab3039eb7ea25df403753b963e040b7b74987a5601", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62b8d6a92c5f2b966502aaab3039eb7ea25df403753b963e040b7b74987a5601", kill_on_drop: false }`
[INFO] [stdout] 62b8d6a92c5f2b966502aaab3039eb7ea25df403753b963e040b7b74987a5601
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", 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] abea6244a467982000bbc37b415bfc36c08de0b1d72e49e422a45add49c39ef0
[INFO] running `Command { std: "docker" "start" "-a" "abea6244a467982000bbc37b415bfc36c08de0b1d72e49e422a45add49c39ef0", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:42:30
[INFO] [stderr]    |
[INFO] [stderr] 42 |   fn cause(&self) -> Option<&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/lib.rs:66:30
[INFO] [stderr]    |
[INFO] [stderr] 66 |   fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:127:42
[INFO] [stderr]     |
[INFO] [stderr] 127 | pub type Lines = io::Lines<BufReader<Box<Read>>>;
[INFO] [stderr]     |                                          ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:148:29
[INFO] [stderr]     |
[INFO] [stderr] 148 | pub fn argf() -> Result<Box<Read>, InputError> {
[INFO] [stderr]     |                             ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:177:48
[INFO] [stderr]     |
[INFO] [stderr] 177 | pub fn input<I, J, S>(inputs: I) -> Result<Box<Read>, InputError> where
[INFO] [stderr]     |                                                ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:194:28
[INFO] [stderr]     |
[INFO] [stderr] 194 |   I: IntoIterator<Item=Box<Read>>
[INFO] [stderr]     |                            ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:193:40
[INFO] [stderr]     |
[INFO] [stderr] 193 | fn chain_all_reads<I>(reads: I) -> Box<Read> where
[INFO] [stderr]     |                                        ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:201:46
[INFO] [stderr]     |
[INFO] [stderr] 201 | fn from_arg<'a>(arg: &'a Path) -> Result<Box<Read>, FailReadFileError> {
[INFO] [stderr]     |                                              ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:42:30
[INFO] [stderr]    |
[INFO] [stderr] 42 |   fn cause(&self) -> Option<&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/lib.rs:66:30
[INFO] [stderr]    |
[INFO] [stderr] 66 |   fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:127:42
[INFO] [stderr]     |
[INFO] [stderr] 127 | pub type Lines = io::Lines<BufReader<Box<Read>>>;
[INFO] [stderr]     |                                          ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:148:29
[INFO] [stderr]     |
[INFO] [stderr] 148 | pub fn argf() -> Result<Box<Read>, InputError> {
[INFO] [stderr]     |                             ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:177:48
[INFO] [stderr]     |
[INFO] [stderr] 177 | pub fn input<I, J, S>(inputs: I) -> Result<Box<Read>, InputError> where
[INFO] [stderr]     |                                                ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:194:28
[INFO] [stderr]     |
[INFO] [stderr] 194 |   I: IntoIterator<Item=Box<Read>>
[INFO] [stderr]     |                            ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:193:40
[INFO] [stderr]     |
[INFO] [stderr] 193 | fn chain_all_reads<I>(reads: I) -> Box<Read> where
[INFO] [stderr]     |                                        ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:201:46
[INFO] [stderr]     |
[INFO] [stderr] 201 | fn from_arg<'a>(arg: &'a Path) -> Result<Box<Read>, FailReadFileError> {
[INFO] [stderr]     |                                              ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/arg_input-c39374da39e66773
[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] [stderr]      Running /opt/rustwide/target/debug/deps/input_lines_test-a7ed171e61c06a29
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_input_lines_nonexistent ... ok
[INFO] [stdout] test test_input ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/input_test-d5d06e061d0181db
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_input ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/inputs-13470279835d1b32
[INFO] [stdout] test test_input_nonexistent ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests arg_input
[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] [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" "abea6244a467982000bbc37b415bfc36c08de0b1d72e49e422a45add49c39ef0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abea6244a467982000bbc37b415bfc36c08de0b1d72e49e422a45add49c39ef0", kill_on_drop: false }`
[INFO] [stdout] abea6244a467982000bbc37b415bfc36c08de0b1d72e49e422a45add49c39ef0