[INFO] cloning repository https://github.com/sdornel/learn-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sdornel/learn-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdornel%2Flearn-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdornel%2Flearn-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 39dd52786da8d1e3b37b508b49825429313c6ca4
[INFO] fixing sdornel/learn-rust against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdornel%2Flearn-rust" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sdornel/learn-rust
[INFO] finished tweaking git repo https://github.com/sdornel/learn-rust
[INFO] tweaked toml for git repo https://github.com/sdornel/learn-rust written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sdornel/learn-rust on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sdornel/learn-rust 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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.94
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.50
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[INFO] [stderr]   Downloaded libc v0.2.171
[INFO] [stderr]   Downloaded aws-lc-rs v1.15.3
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[INFO] [stderr]   Downloaded webpki-root-certs v1.0.5
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.24
[INFO] [stderr]   Downloaded windows-registry v0.4.0
[INFO] [stderr]   Downloaded windows-targets v0.53.0
[INFO] [stderr]   Downloaded windows-strings v0.3.1
[INFO] [stderr]   Downloaded hyper-rustls v0.27.5
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 2c7f8b6da108436e305da19b9fc16d563adaaff13ca503862a3ee85518a8a266
[INFO] running `Command { std: "docker" "start" "2c7f8b6da108436e305da19b9fc16d563adaaff13ca503862a3ee85518a8a266", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2c7f8b6da108436e305da19b9fc16d563adaaff13ca503862a3ee85518a8a266" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c7f8b6da108436e305da19b9fc16d563adaaff13ca503862a3ee85518a8a266", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2c7f8b6da108436e305da19b9fc16d563adaaff13ca503862a3ee85518a8a266" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling find-msvc-tools v0.1.8
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]     Checking smallvec v1.15.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling dunce v1.0.5
[INFO] [stderr]    Compiling icu_locid_transform_data v1.5.1
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]    Compiling fs_extra v1.3.0
[INFO] [stderr]     Checking writeable v0.5.5
[INFO] [stderr]     Checking litemap v0.7.5
[INFO] [stderr]     Checking rustls-pki-types v1.14.0
[INFO] [stderr]    Compiling icu_properties_data v1.5.1
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]     Checking hashbrown v0.15.2
[INFO] [stderr]    Compiling icu_normalizer_data v1.5.1
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]    Compiling aws-lc-rs v1.15.3
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]     Checking utf16_iter v1.0.5
[INFO] [stderr]     Checking write16 v1.0.0
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]     Checking http v1.3.1
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking ipnet v2.11.0
[INFO] [stderr]    Compiling zerocopy v0.8.24
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]     Checking sync_wrapper v1.0.2
[INFO] [stderr]    Compiling rustls v0.23.36
[INFO] [stderr]    Compiling openssl v0.10.72
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling phf_codegen v0.11.3
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]     Checking encoding_rs v0.8.35
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking openssl-probe v0.1.6
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking dtoa v1.0.10
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking openssl-probe v0.2.0
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[INFO] [stderr]    Compiling serde_json v1.0.140
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[INFO] [stderr]     Checking regex-syntax v0.8.5
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[INFO] [stderr]     Checking rustls-pemfile v2.2.0
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[INFO] [stderr]     Checking socket2 v0.5.9
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]     Checking http-body-util v0.1.3
[INFO] [stderr]    Compiling string_cache_codegen v0.5.4
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking iana-time-zone v0.1.64
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking urlencoding v2.1.3
[INFO] [stderr]     Checking print-terminal-output v0.1.0 (/opt/rustwide/workdir/print-terminal-output)
[INFO] [stderr]    Compiling cc v1.2.53
[INFO] [stderr]     Checking ownership v0.1.0 (/opt/rustwide/workdir/4.1-ownership)
[INFO] [stderr]     Checking defining-an-enum v0.1.0 (/opt/rustwide/workdir/6.1-defining-an-enum)
[INFO] [stderr]     Checking last-modified-time v0.1.0 (/opt/rustwide/workdir/last-modified-time)
[INFO] [stdout] warning: unused variable: `some_number`
[INFO] [stdout]   --> 6.1-defining-an-enum/src/main.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let some_number = Some(5);
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_some_number`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `some_char`
[INFO] [stdout]   --> 6.1-defining-an-enum/src/main.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let some_char = Some('e');
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_some_char`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `absent_number`
[INFO] [stdout]   --> 6.1-defining-an-enum/src/main.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let absent_number: Option<i32> = None;
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_absent_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> 6.1-defining-an-enum/src/main.rs:36:11
[INFO] [stdout]    |
[INFO] [stdout] 36 |     Write(String),
[INFO] [stdout]    |     ----- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 36 -     Write(String),
[INFO] [stdout] 36 +     Write(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking chrono v0.4.43
[INFO] [stderr]     Checking match-intro v0.1.0 (/opt/rustwide/workdir/6.2-match-intro)
[INFO] [stdout] error: expected item, found keyword `let`
[INFO] [stdout]   --> 6.2-match-intro/src/main.rs:75:1
[INFO] [stdout]    |
[INFO] [stdout] 75 | let dice_roll = 9;
[INFO] [stdout]    | ^^^
[INFO] [stdout]    | |
[INFO] [stdout]    | `let` cannot be used for global variables
[INFO] [stdout]    | help: consider using `static` or `const` instead of `let`
[INFO] [stdout]    |
[INFO] [stdout]    = note: for a full list of items that can appear in modules, see <https://doc.rust-lang.org/reference/items.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking control-flow v0.1.0 (/opt/rustwide/workdir/3.5-control-flow)
[INFO] [stderr] error: could not compile `match-intro` (bin "match-intro") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2c7f8b6da108436e305da19b9fc16d563adaaff13ca503862a3ee85518a8a266", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c7f8b6da108436e305da19b9fc16d563adaaff13ca503862a3ee85518a8a266", kill_on_drop: false }`
[INFO] [stdout] 2c7f8b6da108436e305da19b9fc16d563adaaff13ca503862a3ee85518a8a266
