[INFO] fetching crate scan_json 2.1.2...
[INFO] testing scan_json-2.1.2 against 1.99.0-beta.8 for beta-1.100-2
[INFO] extracting crate scan_json 2.1.2 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate scan_json 2.1.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate scan_json 2.1.2
[INFO] tweaked toml for crates.io crate scan_json 2.1.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate scan_json 2.1.2 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate scan_json 2.1.2 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pyo3-macros v0.23.5
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.23.5
[INFO] [stderr]   Downloaded pyo3-build-config v0.23.5
[INFO] [stderr]   Downloaded target-lexicon v0.12.16
[INFO] [stderr]   Downloaded lexical-parse-integer v0.8.6
[INFO] [stderr]   Downloaded embedded-io v0.7.1
[INFO] [stderr]   Downloaded pyo3-ffi v0.23.5
[INFO] [stderr]   Downloaded lexical-parse-float v0.8.5
[INFO] [stderr]   Downloaded jiter v0.8.2
[INFO] [stderr]   Downloaded syn v2.0.107
[INFO] [stderr]   Downloaded pyo3 v0.23.5
[INFO] [stderr]   Downloaded rjiter v1.3.2
[INFO] [stderr]   Downloaded lexical-util v0.8.5
[INFO] [stderr]   Downloaded u8pool v1.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,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@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 3f4f611d5805d3ad5018b9c4658043c8f06ab5e85fb72712bcc44630d99f2c36
[INFO] running `Command { std: "docker" "start" "3f4f611d5805d3ad5018b9c4658043c8f06ab5e85fb72712bcc44630d99f2c36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f4f611d5805d3ad5018b9c4658043c8f06ab5e85fb72712bcc44630d99f2c36", 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" "3f4f611d5805d3ad5018b9c4658043c8f06ab5e85fb72712bcc44630d99f2c36" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f4f611d5805d3ad5018b9c4658043c8f06ab5e85fb72712bcc44630d99f2c36", 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" "3f4f611d5805d3ad5018b9c4658043c8f06ab5e85fb72712bcc44630d99f2c36" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling jiter v0.8.2
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]    Compiling embedded-io v0.7.1
[INFO] [stderr]    Compiling u8pool v1.1.2
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling lexical-util v0.8.5
[INFO] [stderr]    Compiling wyz v0.5.1
[INFO] [stderr]    Compiling lexical-parse-integer v0.8.6
[INFO] [stderr]    Compiling bitvec v1.0.1
[INFO] [stderr]    Compiling lexical-parse-float v0.8.5
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling rjiter v1.3.2
[INFO] [stderr]    Compiling scan_json v2.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.49s
[INFO] running `Command { std: "docker" "inspect" "3f4f611d5805d3ad5018b9c4658043c8f06ab5e85fb72712bcc44630d99f2c36", 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" "3f4f611d5805d3ad5018b9c4658043c8f06ab5e85fb72712bcc44630d99f2c36" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling embedded-io v0.7.1
[INFO] [stderr]    Compiling rjiter v1.3.2
[INFO] [stderr]    Compiling scan_json v2.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: `scan_json::Error` doesn't implement `std::fmt::Display`
[INFO] [stdout]    --> tests/scan_test.rs:759:18
[INFO] [stdout]     |
[INFO] [stdout] 759 |         format!("{e}"),
[INFO] [stdout]     |                  ^^^ `scan_json::Error` cannot be formatted with the default formatter
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `std::fmt::Display` is not implemented for `scan_json::Error`
[INFO] [stdout]     = note: in format strings you may be able to use `{:?}` (or `{:#?}` for pretty-print) instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `scan_json::Error` doesn't implement `std::fmt::Display`
[INFO] [stdout]    --> tests/scan_test.rs:792:18
[INFO] [stdout]     |
[INFO] [stdout] 792 |         format!("{e}"),
[INFO] [stdout]     |                  ^^^ `scan_json::Error` cannot be formatted with the default formatter
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `std::fmt::Display` is not implemented for `scan_json::Error`
[INFO] [stdout]     = note: in format strings you may be able to use `{:?}` (or `{:#?}` for pretty-print) instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `scan_json::Error` doesn't implement `std::fmt::Display`
[INFO] [stdout]    --> tests/scan_test.rs:844:18
[INFO] [stdout]     |
[INFO] [stdout] 844 |         format!("{err}"),
[INFO] [stdout]     |                  ^^^^^ `scan_json::Error` cannot be formatted with the default formatter
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `std::fmt::Display` is not implemented for `scan_json::Error`
[INFO] [stdout]     = note: in format strings you may be able to use `{:?}` (or `{:#?}` for pretty-print) instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `scan_json::Error` doesn't implement `std::fmt::Display`
[INFO] [stdout]    --> tests/scan_test.rs:896:18
[INFO] [stdout]     |
[INFO] [stdout] 896 |         format!("{err}"),
[INFO] [stdout]     |                  ^^^^^ `scan_json::Error` cannot be formatted with the default formatter
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `std::fmt::Display` is not implemented for `scan_json::Error`
[INFO] [stdout]     = note: in format strings you may be able to use `{:?}` (or `{:#?}` for pretty-print) instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `scan_json` (test "scan_test") due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "3f4f611d5805d3ad5018b9c4658043c8f06ab5e85fb72712bcc44630d99f2c36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f4f611d5805d3ad5018b9c4658043c8f06ab5e85fb72712bcc44630d99f2c36", kill_on_drop: false }`
[INFO] [stdout] 3f4f611d5805d3ad5018b9c4658043c8f06ab5e85fb72712bcc44630d99f2c36
