[INFO] fetching crate rust_twostack 0.15.0...
[INFO] testing rust_twostack-0.15.0 against 1.100.0-beta.1 for beta-1.100-2
[INFO] extracting crate rust_twostack 0.15.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate rust_twostack 0.15.0
[INFO] finished tweaking crates.io crate rust_twostack 0.15.0
[INFO] tweaked toml for crates.io crate rust_twostack 0.15.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust_twostack 0.15.0 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 143 packages to highest compatible versions
[INFO] [stderr]       Adding nanoid v0.4.0 (available: v0.5.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] f6df3a26aa44a45a84fe4872afa6214e8de147d8481138e06056e9924cef4f08
[INFO] running `Command { std: "docker" "start" "f6df3a26aa44a45a84fe4872afa6214e8de147d8481138e06056e9924cef4f08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6df3a26aa44a45a84fe4872afa6214e8de147d8481138e06056e9924cef4f08", 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" "f6df3a26aa44a45a84fe4872afa6214e8de147d8481138e06056e9924cef4f08" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6df3a26aa44a45a84fe4872afa6214e8de147d8481138e06056e9924cef4f08", 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=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f6df3a26aa44a45a84fe4872afa6214e8de147d8481138e06056e9924cef4f08" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.5
[INFO] [stderr]    Compiling libc v0.2.190
[INFO] [stderr]    Compiling autocfg v1.5.1
[INFO] [stderr]    Compiling pkg-config v0.3.34
[INFO] [stderr]    Compiling zerocopy v0.8.60
[INFO] [stderr]    Compiling simd-adler32 v0.3.10
[INFO] [stderr]    Compiling find-msvc-tools v0.1.14
[INFO] [stderr]    Compiling semver v1.0.28
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling shlex v2.0.1
[INFO] [stderr]    Compiling crc32fast v1.5.2
[INFO] [stderr]    Compiling cc v1.6.0
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.23
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling pathfinder_simd v0.5.6
[INFO] [stderr]    Compiling miniz_oxide v0.9.1
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling yeslogic-fontconfig-sys v6.0.1
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.21
[INFO] [stderr]    Compiling unicode-ident v1.0.26
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling memchr v2.8.3
[INFO] [stderr]    Compiling flate2 v1.1.10
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling fdeflate v0.3.7
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.8
[INFO] [stderr]    Compiling option-ext v0.2.0
[INFO] [stderr]    Compiling dlib v0.5.3
[INFO] [stderr]    Compiling dirs-sys v0.5.0
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling freetype-sys v0.20.1
[INFO] [stderr]    Compiling png v0.17.16
[INFO] [stderr]    Compiling num-integer v0.1.47
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling zmij v1.0.23
[INFO] [stderr]    Compiling jpeg-decoder v0.3.2
[INFO] [stderr]    Compiling log v0.4.34
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling weezl v0.1.12
[INFO] [stderr]    Compiling bytemuck v1.25.2
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling font-kit v0.14.3
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling pathfinder_geometry v0.5.1
[INFO] [stderr]    Compiling gif v0.12.0
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling syn v3.0.6
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling image v0.24.9
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling dirs v6.0.0
[INFO] [stderr]    Compiling aho-corasick v1.1.5
[INFO] [stderr]    Compiling float-ord v0.3.2
[INFO] [stderr]    Compiling regex-syntax v0.8.11
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling lazy_static v1.5.1
[INFO] [stderr]    Compiling serde_json v1.0.151
[INFO] [stderr]    Compiling bitflags v2.13.2
[INFO] [stderr]    Compiling iana-time-zone v0.1.65
[INFO] [stderr]    Compiling chrono v0.4.45
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stderr]    Compiling plotters-bitmap v0.3.7
[INFO] [stderr]    Compiling regex-automata v0.4.18
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling num-bigint v0.4.8
[INFO] [stderr]    Compiling ttf-parser v0.20.0
[INFO] [stderr]    Compiling either v1.18.0
[INFO] [stderr]    Compiling itoa v1.0.18
[INFO] [stderr]    Compiling rayon v1.12.0
[INFO] [stderr]    Compiling rand v0.8.8
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling regex v1.13.1
[INFO] [stderr]    Compiling num-iter v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling unix-ts-macros v1.0.0
[INFO] [stderr]    Compiling rustils v0.1.23
[INFO] [stderr]    Compiling unix-ts v1.0.0
[INFO] [stderr]    Compiling json_value_merge v2.0.1
[INFO] [stderr]    Compiling nanoid v0.4.0
[INFO] [stderr]    Compiling dtoa v1.0.11
[INFO] [stderr]    Compiling easy-error v1.0.0
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling bincode2 v2.0.1
[INFO] [stderr]    Compiling neurons v2.6.2
[INFO] [stderr]    Compiling rust_dynamic v0.49.0
[INFO] [stderr]    Compiling rust_twostack v0.15.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/ts_value.rs:20:48
[INFO] [stdout]    |
[INFO] [stdout] 20 | ...                   return Err(err);
[INFO] [stdout]    |                              --- ^^^ expected `Box<dyn Error>`, found `Error`
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `Box<dyn std::error::Error>`
[INFO] [stdout]               found struct `easy_error::Error`
[INFO] [stdout]    = note: for more on the distinction between the stack and the heap, read https://doc.rust-lang.org/book/ch15-01-box.html, https://doc.rust-lang.org/rust-by-example/std/box.html, and https://doc.rust-lang.org/std/boxed/index.html
[INFO] [stdout] help: the type constructed contains `easy_error::Error` due to the type of the argument passed
[INFO] [stdout]   --> src/ts_value.rs:20:44
[INFO] [stdout]    |
[INFO] [stdout] 20 | ...                   return Err(err);
[INFO] [stdout]    |                              ^^^^---^
[INFO] [stdout]    |                                  |
[INFO] [stdout]    |                                  this argument influences the type of `Err`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/core/src/result.rs:567:4
[INFO] [stdout] help: store this in the heap by calling `Box::new`
[INFO] [stdout]    |
[INFO] [stdout] 20 |                                     return Err(Box::new(err));
[INFO] [stdout]    |                                                +++++++++   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/ts_value.rs:43:40
[INFO] [stdout]    |
[INFO] [stdout] 43 | ...                   return Err(err);
[INFO] [stdout]    |                              --- ^^^ expected `Box<dyn Error>`, found `Error`
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `Box<dyn std::error::Error>`
[INFO] [stdout]               found struct `easy_error::Error`
[INFO] [stdout]    = note: for more on the distinction between the stack and the heap, read https://doc.rust-lang.org/book/ch15-01-box.html, https://doc.rust-lang.org/rust-by-example/std/box.html, and https://doc.rust-lang.org/std/boxed/index.html
[INFO] [stdout] help: the type constructed contains `easy_error::Error` due to the type of the argument passed
[INFO] [stdout]   --> src/ts_value.rs:43:36
[INFO] [stdout]    |
[INFO] [stdout] 43 | ...                   return Err(err);
[INFO] [stdout]    |                              ^^^^---^
[INFO] [stdout]    |                                  |
[INFO] [stdout]    |                                  this argument influences the type of `Err`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/core/src/result.rs:567:4
[INFO] [stdout] help: store this in the heap by calling `Box::new`
[INFO] [stdout]    |
[INFO] [stdout] 43 |                             return Err(Box::new(err));
[INFO] [stdout]    |                                        +++++++++   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_twostack` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f6df3a26aa44a45a84fe4872afa6214e8de147d8481138e06056e9924cef4f08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6df3a26aa44a45a84fe4872afa6214e8de147d8481138e06056e9924cef4f08", kill_on_drop: false }`
[INFO] [stdout] f6df3a26aa44a45a84fe4872afa6214e8de147d8481138e06056e9924cef4f08
