[INFO] cloning repository https://github.com/chikasoft/Tensai
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chikasoft/Tensai" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchikasoft%2FTensai", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchikasoft%2FTensai'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 653521e2b11c64e84459241fef4666a105ca34b6
[INFO] testing chikasoft/Tensai against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchikasoft%2FTensai" "/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/chikasoft/Tensai on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chikasoft/Tensai
[INFO] finished tweaking git repo https://github.com/chikasoft/Tensai
[INFO] tweaked toml for git repo https://github.com/chikasoft/Tensai written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/chikasoft/Tensai already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cdc170363d0d18ba92a5453eab2c8582c4d215b2cdfea5f03815581d1fc7cb85
[INFO] running `Command { std: "docker" "start" "-a" "cdc170363d0d18ba92a5453eab2c8582c4d215b2cdfea5f03815581d1fc7cb85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdc170363d0d18ba92a5453eab2c8582c4d215b2cdfea5f03815581d1fc7cb85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdc170363d0d18ba92a5453eab2c8582c4d215b2cdfea5f03815581d1fc7cb85", kill_on_drop: false }`
[INFO] [stdout] cdc170363d0d18ba92a5453eab2c8582c4d215b2cdfea5f03815581d1fc7cb85
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a47c0c3b15af8e572a073023d83a2e99e17e2d120b0626778140b68da85a124d
[INFO] running `Command { std: "docker" "start" "-a" "a47c0c3b15af8e572a073023d83a2e99e17e2d120b0626778140b68da85a124d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.78
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling binary v0.1.0 (/opt/rustwide/workdir/binary)
[INFO] [stderr]    Compiling minsky v0.1.0 (/opt/rustwide/workdir/minsky)
[INFO] [stderr]    Compiling interstack v0.1.0 (/opt/rustwide/workdir/interstack)
[INFO] [stderr] error: could not compile `binary`
[INFO] [stdout] error[E0599]: no method named `flush` found for struct `Stdout` in the current scope
[INFO] [stdout]     --> binary/src/main.rs:49:42
[INFO] [stdout]      |
[INFO] [stdout] 49   |                     let _ = io::stdout().flush();
[INFO] [stdout]      |                                          ^^^^^ method not found in `Stdout`
[INFO] [stdout]      |
[INFO] [stdout]      = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]      |
[INFO] [stdout] 1    | use std::io::Write;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error[E0599]: no method named `flush` found for struct `Stdout` in the current scope
[INFO] [stdout]     --> binary/src/main.rs:83:42
[INFO] [stdout]      |
[INFO] [stdout] 83   |                     let _ = io::stdout().flush();
[INFO] [stdout]      |                                          ^^^^^ method not found in `Stdout`
[INFO] [stdout]      |
[INFO] [stdout]      = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]      |
[INFO] [stdout] 1    | use std::io::Write;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `flush` found for struct `Stdout` in the current scope
[INFO] [stdout]     --> minsky/src/main.rs:77:46
[INFO] [stdout]      |
[INFO] [stdout] 77   |                         let _ = io::stdout().flush();
[INFO] [stdout]      |                                              ^^^^^ method not found in `Stdout`
[INFO] [stdout]      |
[INFO] [stdout]      = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]      |
[INFO] [stdout] 1    | use std::io::Write;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `flush` found for struct `Stdout` in the current scope
[INFO] [stdout]     --> minsky/src/main.rs:80:46
[INFO] [stdout]      |
[INFO] [stdout] 80   |                         let _ = io::stdout().flush();
[INFO] [stdout]      |                                              ^^^^^ method not found in `Stdout`
[INFO] [stdout]      |
[INFO] [stdout]      = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]      |
[INFO] [stdout] 1    | use std::io::Write;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a47c0c3b15af8e572a073023d83a2e99e17e2d120b0626778140b68da85a124d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a47c0c3b15af8e572a073023d83a2e99e17e2d120b0626778140b68da85a124d", kill_on_drop: false }`
[INFO] [stdout] a47c0c3b15af8e572a073023d83a2e99e17e2d120b0626778140b68da85a124d