[INFO] cloning repository https://github.com/sampersand/sojourn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sampersand/sojourn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsampersand%2Fsojourn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsampersand%2Fsojourn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d35a3afa187920a5ab58cce383c23e485c38dcb3
[INFO] testing sampersand/sojourn against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsampersand%2Fsojourn" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sampersand/sojourn on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sampersand/sojourn
[INFO] finished tweaking git repo https://github.com/sampersand/sojourn
[INFO] tweaked toml for git repo https://github.com/sampersand/sojourn written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/sampersand/sojourn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-tree v0.1.6
[INFO] [stderr]   Downloaded read-from v0.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f16b45b35650d1e491514e4b2a48aea8317fae0b22979726865b2a91d015d9c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7f16b45b35650d1e491514e4b2a48aea8317fae0b22979726865b2a91d015d9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f16b45b35650d1e491514e4b2a48aea8317fae0b22979726865b2a91d015d9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f16b45b35650d1e491514e4b2a48aea8317fae0b22979726865b2a91d015d9c", kill_on_drop: false }`
[INFO] [stdout] 7f16b45b35650d1e491514e4b2a48aea8317fae0b22979726865b2a91d015d9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c30bc3b0dbdb9916e37689c29ffa1aeab952177a5a8d1ecb46dc6d71f79d5c13
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c30bc3b0dbdb9916e37689c29ffa1aeab952177a5a8d1ecb46dc6d71f79d5c13", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling read-from v0.5.2
[INFO] [stderr]    Compiling smallvec v1.5.0
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling tracing v0.1.21
[INFO] [stderr]    Compiling sjef v0.2.0 (/opt/rustwide/workdir/sjef)
[INFO] [stderr]    Compiling sjc v0.1.0 (/opt/rustwide/workdir/sjc)
[INFO] [stdout] warning: field is never read: `buffer`
[INFO] [stdout]  --> sjc/src/compiler.rs:3:2
[INFO] [stdout]   |
[INFO] [stdout] 3 |     buffer: Vec<u8>
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Compiler` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> sjc/src/compiler.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[derive(Debug)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling tracing-serde v0.1.2
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling tracing-subscriber v0.2.15
[INFO] [stderr]    Compiling tracing-tree v0.1.6
[INFO] [stderr]    Compiling sjvm v0.1.0 (/opt/rustwide/workdir/sjvm)
[INFO] [stdout] warning: unused imports: `Read`, `SeekFrom`, `Seek`, `self`
[INFO] [stdout]  --> sjvm/src/text/pointer.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Seek, SeekFrom};
[INFO] [stdout]   |               ^^^^  ^^^^  ^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling sjdb v0.1.0 (/opt/rustwide/workdir/sjdb)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> sjvm/src/text/pointer.rs:30:14
[INFO] [stdout]    |
[INFO] [stdout] 30 |         self.ip += amnt;
[INFO] [stdout]    |                    ^^^^ expected `u64`, found `i64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot add-assign `i64` to `u64`
[INFO] [stdout]   --> sjvm/src/text/pointer.rs:30:11
[INFO] [stdout]    |
[INFO] [stdout] 30 |         self.ip += amnt;
[INFO] [stdout]    |                 ^^ no implementation for `u64 += i64`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `AddAssign<i64>` is not implemented for `u64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sjvm` due to 3 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c30bc3b0dbdb9916e37689c29ffa1aeab952177a5a8d1ecb46dc6d71f79d5c13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c30bc3b0dbdb9916e37689c29ffa1aeab952177a5a8d1ecb46dc6d71f79d5c13", kill_on_drop: false }`
[INFO] [stdout] c30bc3b0dbdb9916e37689c29ffa1aeab952177a5a8d1ecb46dc6d71f79d5c13