[INFO] updating cached repository https://github.com/rtomchinsky/brainfuck-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c82a51a5ad11f626a1f175e4fe3c081cc4377cd0
[INFO] testing rtomchinsky/brainfuck-rs against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frtomchinsky%2Fbrainfuck-rs" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rtomchinsky/brainfuck-rs on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rtomchinsky/brainfuck-rs
[INFO] finished tweaking git repo https://github.com/rtomchinsky/brainfuck-rs
[INFO] tweaked toml for git repo https://github.com/rtomchinsky/brainfuck-rs written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/rtomchinsky/brainfuck-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc9f15aea7a5efe6c44a05b64fc5917d75a9d12ab2698a53103c642c92dd43fb
[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" "dc9f15aea7a5efe6c44a05b64fc5917d75a9d12ab2698a53103c642c92dd43fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc9f15aea7a5efe6c44a05b64fc5917d75a9d12ab2698a53103c642c92dd43fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc9f15aea7a5efe6c44a05b64fc5917d75a9d12ab2698a53103c642c92dd43fb", kill_on_drop: false }`
[INFO] [stdout] dc9f15aea7a5efe6c44a05b64fc5917d75a9d12ab2698a53103c642c92dd43fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5b3a5640632f071458a5e4999cbf05b35dbae76a253862d43d7bbff17c0848f
[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" "b5b3a5640632f071458a5e4999cbf05b35dbae76a253862d43d7bbff17c0848f", kill_on_drop: false }`
[INFO] [stderr]    Compiling brainfuck v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/brainfuck.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |     output: Box<Write>,
[INFO] [stdout]    |                 ^^^^^ help: use `dyn`: `dyn Write`
[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/brainfuck.rs:20:16
[INFO] [stdout]    |
[INFO] [stdout] 20 |     input: 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/brainfuck.rs:24:23
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn new(input: Box<Read>, output: Box<Write>) -> BrainfuckContext {
[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/brainfuck.rs:24:42
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn new(input: Box<Read>, output: Box<Write>) -> BrainfuckContext {
[INFO] [stdout]    |                                          ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/brainfuck.rs:74:45
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub fn brainfuck(source: String, input: Box<Read>, output: Box<Write>) {
[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/brainfuck.rs:74:64
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub fn brainfuck(source: String, input: Box<Read>, output: Box<Write>) {
[INFO] [stdout]    |                                                                ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "b5b3a5640632f071458a5e4999cbf05b35dbae76a253862d43d7bbff17c0848f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5b3a5640632f071458a5e4999cbf05b35dbae76a253862d43d7bbff17c0848f", kill_on_drop: false }`
[INFO] [stdout] b5b3a5640632f071458a5e4999cbf05b35dbae76a253862d43d7bbff17c0848f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6feeb908d513b1c3987e9fe5f3102ca11b7a550d1cdeef1ab20bde1a48018df4
[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" "6feeb908d513b1c3987e9fe5f3102ca11b7a550d1cdeef1ab20bde1a48018df4", kill_on_drop: false }`
[INFO] [stderr]    Compiling brainfuck v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/brainfuck.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |     output: Box<Write>,
[INFO] [stdout]    |                 ^^^^^ help: use `dyn`: `dyn Write`
[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/brainfuck.rs:20:16
[INFO] [stdout]    |
[INFO] [stdout] 20 |     input: 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/brainfuck.rs:24:23
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn new(input: Box<Read>, output: Box<Write>) -> BrainfuckContext {
[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/brainfuck.rs:24:42
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn new(input: Box<Read>, output: Box<Write>) -> BrainfuckContext {
[INFO] [stdout]    |                                          ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/brainfuck.rs:74:45
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub fn brainfuck(source: String, input: Box<Read>, output: Box<Write>) {
[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/brainfuck.rs:74:64
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub fn brainfuck(source: String, input: Box<Read>, output: Box<Write>) {
[INFO] [stdout]    |                                                                ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6feeb908d513b1c3987e9fe5f3102ca11b7a550d1cdeef1ab20bde1a48018df4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6feeb908d513b1c3987e9fe5f3102ca11b7a550d1cdeef1ab20bde1a48018df4", kill_on_drop: false }`
[INFO] [stdout] 6feeb908d513b1c3987e9fe5f3102ca11b7a550d1cdeef1ab20bde1a48018df4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 038d8a2b31c1543a33c4f8563469326a41db00ccb15297204308b528f2032261
[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" "038d8a2b31c1543a33c4f8563469326a41db00ccb15297204308b528f2032261", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/brainfuck.rs:19:17
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 19 |     output: Box<Write>,
[INFO] [stdout] 
[INFO] [stderr]    |                 ^^^^^ help: use `dyn`: `dyn Write`
[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/brainfuck.rs:20:16
[INFO] [stderr]    |
[INFO] [stderr] 20 |     input: 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/brainfuck.rs:24:23
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn new(input: Box<Read>, output: Box<Write>) -> BrainfuckContext {
[INFO] [stderr]    |                       ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/brainfuck.rs:24:42
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn new(input: Box<Read>, output: Box<Write>) -> BrainfuckContext {
[INFO] [stderr]    |                                          ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/brainfuck.rs:74:45
[INFO] [stderr]    |
[INFO] [stderr] 74 | pub fn brainfuck(source: String, input: Box<Read>, output: Box<Write>) {
[INFO] [stderr]    |                                             ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/brainfuck.rs:74:64
[INFO] [stderr]    |
[INFO] [stderr] 74 | pub fn brainfuck(source: String, input: Box<Read>, output: Box<Write>) {
[INFO] [stderr]    |                                                                ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/brainfuck-2da2303d781add52
[INFO] running `Command { std: "docker" "inspect" "038d8a2b31c1543a33c4f8563469326a41db00ccb15297204308b528f2032261", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "038d8a2b31c1543a33c4f8563469326a41db00ccb15297204308b528f2032261", kill_on_drop: false }`
[INFO] [stdout] 038d8a2b31c1543a33c4f8563469326a41db00ccb15297204308b528f2032261