[INFO] cloning repository https://github.com/ray33ee/STFSproof
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ray33ee/STFSproof" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fray33ee%2FSTFSproof", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fray33ee%2FSTFSproof'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d80ec14c33a7e01d7617648f2d123bcfacc4b567
[INFO] checking ray33ee/STFSproof against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fray33ee%2FSTFSproof" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ray33ee/STFSproof
[INFO] finished tweaking git repo https://github.com/ray33ee/STFSproof
[INFO] tweaked toml for git repo https://github.com/ray33ee/STFSproof written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ray33ee/STFSproof on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ray33ee/STFSproof 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memmap2 v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05dd56f5ac7843bd28e483e9b6e2b5d1ce446de89a30276ba7fa6f6df73b7169
[INFO] running `Command { std: "docker" "start" "-a" "05dd56f5ac7843bd28e483e9b6e2b5d1ce446de89a30276ba7fa6f6df73b7169", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05dd56f5ac7843bd28e483e9b6e2b5d1ce446de89a30276ba7fa6f6df73b7169", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05dd56f5ac7843bd28e483e9b6e2b5d1ce446de89a30276ba7fa6f6df73b7169", kill_on_drop: false }`
[INFO] [stdout] 05dd56f5ac7843bd28e483e9b6e2b5d1ce446de89a30276ba7fa6f6df73b7169
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9ecdc0a16a731abc1fde5a01f8ed4860c243c7eb6212151841c5ad18b2de1af
[INFO] running `Command { std: "docker" "start" "-a" "b9ecdc0a16a731abc1fde5a01f8ed4860c243c7eb6212151841c5ad18b2de1af", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]     Checking memmap2 v0.3.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking STFSproof v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(seek_stream_len)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(seek_stream_len)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:270:39
[INFO] [stdout]     |
[INFO] [stdout] 270 | fn edit_table<S: Read + Write + Seek>(mut stream: S, read_shift: Option<bool>, write_shift: Option<bool>, accesses_per_shift: Optio...
[INFO] [stdout]     |                                       ----^^^^^^
[INFO] [stdout]     |                                       |
[INFO] [stdout]     |                                       help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `STFSproof` (bin "STFSproof") due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:270:39
[INFO] [stdout]     |
[INFO] [stdout] 270 | fn edit_table<S: Read + Write + Seek>(mut stream: S, read_shift: Option<bool>, write_shift: Option<bool>, accesses_per_shift: Optio...
[INFO] [stdout]     |                                       ----^^^^^^
[INFO] [stdout]     |                                       |
[INFO] [stdout]     |                                       help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `STFSproof` (bin "STFSproof" test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "b9ecdc0a16a731abc1fde5a01f8ed4860c243c7eb6212151841c5ad18b2de1af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9ecdc0a16a731abc1fde5a01f8ed4860c243c7eb6212151841c5ad18b2de1af", kill_on_drop: false }`
[INFO] [stdout] b9ecdc0a16a731abc1fde5a01f8ed4860c243c7eb6212151841c5ad18b2de1af
