[INFO] fetching crate turingmachine-rs 0.2.0...
[INFO] testing turingmachine-rs-0.2.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate turingmachine-rs 0.2.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate turingmachine-rs 0.2.0
[INFO] finished tweaking crates.io crate turingmachine-rs 0.2.0
[INFO] tweaked toml for crates.io crate turingmachine-rs 0.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate turingmachine-rs 0.2.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate turingmachine-rs 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0999b02d6db1f2e6ec2a19678ac582b962fe3496048cb4f7e7facefac37c7a08
[INFO] running `Command { std: "docker" "start" "-a" "0999b02d6db1f2e6ec2a19678ac582b962fe3496048cb4f7e7facefac37c7a08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0999b02d6db1f2e6ec2a19678ac582b962fe3496048cb4f7e7facefac37c7a08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0999b02d6db1f2e6ec2a19678ac582b962fe3496048cb4f7e7facefac37c7a08", kill_on_drop: false }`
[INFO] [stdout] 0999b02d6db1f2e6ec2a19678ac582b962fe3496048cb4f7e7facefac37c7a08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c90f788434fe41533cbc5dfb2a32c581427b4f15cc3807222388f06bd2f2cec
[INFO] running `Command { std: "docker" "start" "-a" "3c90f788434fe41533cbc5dfb2a32c581427b4f15cc3807222388f06bd2f2cec", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]    Compiling turingmachine-rs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "3c90f788434fe41533cbc5dfb2a32c581427b4f15cc3807222388f06bd2f2cec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c90f788434fe41533cbc5dfb2a32c581427b4f15cc3807222388f06bd2f2cec", kill_on_drop: false }`
[INFO] [stdout] 3c90f788434fe41533cbc5dfb2a32c581427b4f15cc3807222388f06bd2f2cec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7dcb2d19348e48a9d2886c95da6e46146b18c01d914df13529da4303f781189
[INFO] running `Command { std: "docker" "start" "-a" "d7dcb2d19348e48a9d2886c95da6e46146b18c01d914df13529da4303f781189", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]    Compiling turingmachine-rs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `iter::Cycle`
[INFO] [stdout]   --> examples/divisibility.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::{fmt, iter::Cycle};
[INFO] [stdout]    |                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `MarkedOne` and `Halt` are never constructed
[INFO] [stdout]   --> examples/divisibility.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | enum Alphabet {
[INFO] [stdout]    |      -------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 22 |     MarkedOne,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 23 |     Halt,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Alphabet` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Found1InDenominator` and `Found1InNuminator` are never constructed
[INFO] [stdout]   --> examples/divisibility.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | enum States {
[INFO] [stdout]    |      ------ variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 45 |     Found1InDenominator,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 46 |     Found1InNuminator,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `States` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "d7dcb2d19348e48a9d2886c95da6e46146b18c01d914df13529da4303f781189", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7dcb2d19348e48a9d2886c95da6e46146b18c01d914df13529da4303f781189", kill_on_drop: false }`
[INFO] [stdout] d7dcb2d19348e48a9d2886c95da6e46146b18c01d914df13529da4303f781189
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] faa1ded48d04418fba51a3734f3b40ec89310ed028f3ca5cb0ccc6d1782ca924
[INFO] running `Command { std: "docker" "start" "-a" "faa1ded48d04418fba51a3734f3b40ec89310ed028f3ca5cb0ccc6d1782ca924", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr] warning: unused import: `iter::Cycle`
[INFO] [stderr]   --> examples/divisibility.rs:14:16
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::{fmt, iter::Cycle};
[INFO] [stderr]    |                ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variants `MarkedOne` and `Halt` are never constructed
[INFO] [stderr]   --> examples/divisibility.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | enum Alphabet {
[INFO] [stderr]    |      -------- variants in this enum
[INFO] [stderr] ...
[INFO] [stderr] 22 |     MarkedOne,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 23 |     Halt,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Alphabet` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Found1InDenominator` and `Found1InNuminator` are never constructed
[INFO] [stderr]   --> examples/divisibility.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 41 | enum States {
[INFO] [stderr]    |      ------ variants in this enum
[INFO] [stderr] ...
[INFO] [stderr] 45 |     Found1InDenominator,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 46 |     Found1InNuminator,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `States` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `turingmachine-rs` (example "divisibility") generated 3 warnings (run `cargo fix --example "divisibility"` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/turingmachine_rs-7f0ffe643af04cd2)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::fetch_cursor ... ok
[INFO] [stdout] test tests::set_cursor ... ok
[INFO] [stdout] test tests::turing_stepping ... ok
[INFO] [stdout] test tests::turing_tape_new ... ok
[INFO] [stdout] test tests::turing_into_vec ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/exactly-two.rs (/opt/rustwide/target/debug/deps/exactly_two-a33cd40dedbc33a9)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test exactly_two_proper_output ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/replace-ones.rs (/opt/rustwide/target/debug/deps/replace_ones-a8b15cfbfff1d7df)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test replace_ones_proper_output ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests turingmachine_rs
[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" "faa1ded48d04418fba51a3734f3b40ec89310ed028f3ca5cb0ccc6d1782ca924", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faa1ded48d04418fba51a3734f3b40ec89310ed028f3ca5cb0ccc6d1782ca924", kill_on_drop: false }`
[INFO] [stdout] faa1ded48d04418fba51a3734f3b40ec89310ed028f3ca5cb0ccc6d1782ca924