[INFO] fetching crate jsonpretty5er 0.1.0...
[INFO] testing jsonpretty5er-0.1.0 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate jsonpretty5er 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate jsonpretty5er 0.1.0
[INFO] finished tweaking crates.io crate jsonpretty5er 0.1.0
[INFO] tweaked toml for crates.io crate jsonpretty5er 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate jsonpretty5er 0.1.0 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] crate crates.io crate jsonpretty5er 0.1.0 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] a3fae684c98e1e5d13d73c632f70d1bb13caad20e57ad98812bb4741f4514eb8
[INFO] running `Command { std: "docker" "start" "a3fae684c98e1e5d13d73c632f70d1bb13caad20e57ad98812bb4741f4514eb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3fae684c98e1e5d13d73c632f70d1bb13caad20e57ad98812bb4741f4514eb8", 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" "a3fae684c98e1e5d13d73c632f70d1bb13caad20e57ad98812bb4741f4514eb8" "/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" "a3fae684c98e1e5d13d73c632f70d1bb13caad20e57ad98812bb4741f4514eb8", 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" "a3fae684c98e1e5d13d73c632f70d1bb13caad20e57ad98812bb4741f4514eb8" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling anyhow v1.0.69
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling regex v1.7.1
[INFO] [stderr]    Compiling json5format v0.2.6
[INFO] [stderr]    Compiling structopt v0.3.26
[INFO] [stderr]    Compiling jsonpretty5er v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused dependency `maplit`
[INFO] [stderr]  --> Cargo.toml:7:15
[INFO] [stderr]   |
[INFO] [stderr] 7 | [dependencies.maplit]
[INFO] [stderr]   |               ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `maplit`
[INFO] [stderr] warning: `jsonpretty5er` (manifest) generated 1 warning
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 21.14s
[INFO] running `Command { std: "docker" "inspect" "a3fae684c98e1e5d13d73c632f70d1bb13caad20e57ad98812bb4741f4514eb8", 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" "a3fae684c98e1e5d13d73c632f70d1bb13caad20e57ad98812bb4741f4514eb8" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling jsonpretty5er v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Write` and `io`
[INFO] [stdout]   --> src/main.rs:31:7
[INFO] [stdout]    |
[INFO] [stdout] 31 |   fs, io,
[INFO] [stdout]    |       ^^
[INFO] [stdout] 32 |   io::{Read, Write},
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no associated function or constant named `from_stdin` found for struct `Opt` in the current scope
[INFO] [stdout]    --> src/main.rs:48:12
[INFO] [stdout]     |
[INFO] [stdout]  48 |       Opt::from_stdin(&mut buffer)?;
[INFO] [stdout]     |            ^^^^^^^^^^ associated function or constant not found in `Opt`
[INFO] [stdout] ...
[INFO] [stdout] 113 | struct Opt {
[INFO] [stdout]     | ---------- associated function or constant `from_stdin` not found for this struct
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no associated function or constant named `write_to_file` found for struct `Opt` in the current scope
[INFO] [stdout]    --> src/main.rs:70:12
[INFO] [stdout]     |
[INFO] [stdout]  70 |       Opt::write_to_file(filename, &bytes)?;
[INFO] [stdout]     |            ^^^^^^^^^^^^^ associated function or constant not found in `Opt`
[INFO] [stdout] ...
[INFO] [stdout] 113 | struct Opt {
[INFO] [stdout]     | ---------- associated function or constant `write_to_file` not found for this struct
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no associated function or constant named `args` found for struct `Opt` in the current scope
[INFO] [stdout]    --> src/main.rs:87:19
[INFO] [stdout]     |
[INFO] [stdout]  87 |   let args = Opt::args();
[INFO] [stdout]     |                   ^^^^ associated function or constant not found in `Opt`
[INFO] [stdout] ...
[INFO] [stdout] 113 | struct Opt {
[INFO] [stdout]     | ---------- associated function or constant `args` not found for this struct
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `jsonpretty5er` (bin "jsonpretty5er" test) due to 3 previous errors; 1 warning emitted
[INFO] [stderr] warning: unused dependency `maplit`
[INFO] [stderr]  --> Cargo.toml:7:15
[INFO] [stderr]   |
[INFO] [stderr] 7 | [dependencies.maplit]
[INFO] [stderr]   |               ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `maplit`
[INFO] [stderr] warning: `jsonpretty5er` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "inspect" "a3fae684c98e1e5d13d73c632f70d1bb13caad20e57ad98812bb4741f4514eb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3fae684c98e1e5d13d73c632f70d1bb13caad20e57ad98812bb4741f4514eb8", kill_on_drop: false }`
[INFO] [stdout] a3fae684c98e1e5d13d73c632f70d1bb13caad20e57ad98812bb4741f4514eb8
