[INFO] cloning repository https://github.com/cursedcadaver/base64
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cursedcadaver/base64" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcursedcadaver%2Fbase64", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcursedcadaver%2Fbase64'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] da0ed66f0cc700960d98e52caea9410d50b07777
[INFO] checking cursedcadaver/base64 against try#78c81ee3917a99dcff6e2e6822800f0492c415c3 for pr-148967
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcursedcadaver%2Fbase64" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cursedcadaver/base64
[INFO] finished tweaking git repo https://github.com/cursedcadaver/base64
[INFO] tweaked toml for git repo https://github.com/cursedcadaver/base64 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cursedcadaver/base64 on toolchain 78c81ee3917a99dcff6e2e6822800f0492c415c3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cursedcadaver/base64 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" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking cursedcadaver/base64 against try#78c81ee3917a99dcff6e2e6822800f0492c415c3 for pr-148967
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcursedcadaver%2Fbase64" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cursedcadaver/base64
[INFO] finished tweaking git repo https://github.com/cursedcadaver/base64
[INFO] tweaked toml for git repo https://github.com/cursedcadaver/base64 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cursedcadaver/base64 on toolchain 78c81ee3917a99dcff6e2e6822800f0492c415c3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cursedcadaver/base64 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" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2552c729feccfeb77e09075834d44032f54576ef8a707de388e5a1be58e06866
[INFO] running `Command { std: "docker" "start" "-a" "2552c729feccfeb77e09075834d44032f54576ef8a707de388e5a1be58e06866", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2552c729feccfeb77e09075834d44032f54576ef8a707de388e5a1be58e06866", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2552c729feccfeb77e09075834d44032f54576ef8a707de388e5a1be58e06866", kill_on_drop: false }`
[INFO] [stdout] 2552c729feccfeb77e09075834d44032f54576ef8a707de388e5a1be58e06866
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 783de1a6e9bf11b1ace6095ff9be9af91985ba514e713aabede5bb352352d94f
[INFO] running `Command { std: "docker" "start" "-a" "783de1a6e9bf11b1ace6095ff9be9af91985ba514e713aabede5bb352352d94f", kill_on_drop: false }`
[INFO] [stderr]     Checking base64 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn index(&self, index: u8) -> &Self::Output {
[INFO] [stdout]    |                                   ------------- expected `&u8` because of return type
[INFO] [stdout] 17 |         &self.char[index as usize]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `&u8`, found `&char`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected reference `&u8`
[INFO] [stdout]               found reference `&char`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn index(&self, index: u8) -> &Self::Output {
[INFO] [stdout]    |                                   ------------- expected `&u8` because of return type
[INFO] [stdout] 17 |         &self.char[index as usize]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `&u8`, found `&char`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected reference `&u8`
[INFO] [stdout]               found reference `&char`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the type `[char]` cannot be indexed by `u8`
[INFO] [stdout]   --> src/main.rs:33:39
[INFO] [stdout]    |
[INFO] [stdout] 33 |         encoded.push_str(ENCODE_CHARS[(byte >> 2) & 0b1111]);
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `SliceIndex<[char]>` is not implemented for `u8`
[INFO] [stdout] help: the following other types implement trait `SliceIndex<T>`
[INFO] [stdout]   --> /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/core/src/slice/index.rs:214:0
[INFO] [stdout]    |
[INFO] [stdout]    = note: `usize` implements `SliceIndex<[T]>`
[INFO] [stdout]   --> /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/core/src/bstr/traits.rs:203:0
[INFO] [stdout]    |
[INFO] [stdout]    = note: `usize` implements `SliceIndex<ByteStr>`
[INFO] [stdout]    = note: required for `[char]` to implement `Index<u8>`
[INFO] [stdout]    = note: 1 redundant requirement hidden
[INFO] [stdout]    = note: required for `[char; 64]` to implement `Index<u8>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the type `[char]` cannot be indexed by `u8`
[INFO] [stdout]   --> src/main.rs:33:39
[INFO] [stdout]    |
[INFO] [stdout] 33 |         encoded.push_str(ENCODE_CHARS[(byte >> 2) & 0b1111]);
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `SliceIndex<[char]>` is not implemented for `u8`
[INFO] [stdout] help: the following other types implement trait `SliceIndex<T>`
[INFO] [stdout]   --> /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/core/src/slice/index.rs:214:0
[INFO] [stdout]    |
[INFO] [stdout]    = note: `usize` implements `SliceIndex<[T]>`
[INFO] [stdout]   --> /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/core/src/bstr/traits.rs:203:0
[INFO] [stdout]    |
[INFO] [stdout]    = note: `usize` implements `SliceIndex<ByteStr>`
[INFO] [stdout]    = note: required for `[char]` to implement `Index<u8>`
[INFO] [stdout]    = note: 1 redundant requirement hidden
[INFO] [stdout]    = note: required for `[char; 64]` to implement `Index<u8>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the type `[char]` cannot be indexed by `u8`
[INFO] [stdout]   --> src/main.rs:34:39
[INFO] [stdout]    |
[INFO] [stdout] 34 |         encoded.push_str(ENCODE_CHARS[((byte << 4) & 0b11110000) | (byte >> 4)]);
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `SliceIndex<[char]>` is not implemented for `u8`
[INFO] [stdout] help: the following other types implement trait `SliceIndex<T>`
[INFO] [stdout]   --> /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/core/src/slice/index.rs:214:0
[INFO] [stdout]    |
[INFO] [stdout]    = note: `usize` implements `SliceIndex<[T]>`
[INFO] [stdout]   --> /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/core/src/bstr/traits.rs:203:0
[INFO] [stdout]    |
[INFO] [stdout]    = note: `usize` implements `SliceIndex<ByteStr>`
[INFO] [stdout]    = note: required for `[char]` to implement `Index<u8>`
[INFO] [stdout]    = note: 1 redundant requirement hidden
[INFO] [stdout]    = note: required for `[char; 64]` to implement `Index<u8>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the type `[char]` cannot be indexed by `u8`
[INFO] [stdout]   --> src/main.rs:35:39
[INFO] [stdout]    |
[INFO] [stdout] 35 |         encoded.push_str(ENCODE_CHARS[((byte << 2) & 0b11000000) | (byte >> 6)]);
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `SliceIndex<[char]>` is not implemented for `u8`
[INFO] [stdout] help: the following other types implement trait `SliceIndex<T>`
[INFO] [stdout]   --> /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/core/src/slice/index.rs:214:0
[INFO] [stdout]    |
[INFO] [stdout]    = note: `usize` implements `SliceIndex<[T]>`
[INFO] [stdout]   --> /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/core/src/bstr/traits.rs:203:0
[INFO] [stdout]    |
[INFO] [stdout]    = note: `usize` implements `SliceIndex<ByteStr>`
[INFO] [stdout]    = note: required for `[char]` to implement `Index<u8>`
[INFO] [stdout]    = note: 1 redundant requirement hidden
[INFO] [stdout]    = note: required for `[char; 64]` to implement `Index<u8>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the type `[char]` cannot be indexed by `u8`
[INFO] [stdout]   --> src/main.rs:34:39
[INFO] [stdout]    |
[INFO] [stdout] 34 |         encoded.push_str(ENCODE_CHARS[((byte << 4) & 0b11110000) | (byte >> 4)]);
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `SliceIndex<[char]>` is not implemented for `u8`
[INFO] [stdout] help: the following other types implement trait `SliceIndex<T>`
[INFO] [stdout]   --> /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/core/src/slice/index.rs:214:0
[INFO] [stdout]    |
[INFO] [stdout]    = note: `usize` implements `SliceIndex<[T]>`
[INFO] [stdout]   --> /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/core/src/bstr/traits.rs:203:0
[INFO] [stdout]    |
[INFO] [stdout]    = note: `usize` implements `SliceIndex<ByteStr>`
[INFO] [stdout]    = note: required for `[char]` to implement `Index<u8>`
[INFO] [stdout]    = note: 1 redundant requirement hidden
[INFO] [stdout]    = note: required for `[char; 64]` to implement `Index<u8>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the type `[char]` cannot be indexed by `u8`
[INFO] [stdout]   --> src/main.rs:36:39
[INFO] [stdout]    |
[INFO] [stdout] 36 |         encoded.push_str(ENCODE_CHARS[byte & 0b00111111]);
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `SliceIndex<[char]>` is not implemented for `u8`
[INFO] [stdout] help: the following other types implement trait `SliceIndex<T>`
[INFO] [stdout]   --> /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/core/src/slice/index.rs:214:0
[INFO] [stdout]    |
[INFO] [stdout]    = note: `usize` implements `SliceIndex<[T]>`
[INFO] [stdout]   --> /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/core/src/bstr/traits.rs:203:0
[INFO] [stdout]    |
[INFO] [stdout]    = note: `usize` implements `SliceIndex<ByteStr>`
[INFO] [stdout]    = note: required for `[char]` to implement `Index<u8>`
[INFO] [stdout]    = note: 1 redundant requirement hidden
[INFO] [stdout]    = note: required for `[char; 64]` to implement `Index<u8>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the type `[char]` cannot be indexed by `u8`
[INFO] [stdout]   --> src/main.rs:35:39
[INFO] [stdout]    |
[INFO] [stdout] 35 |         encoded.push_str(ENCODE_CHARS[((byte << 2) & 0b11000000) | (byte >> 6)]);
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `SliceIndex<[char]>` is not implemented for `u8`
[INFO] [stdout] help: the following other types implement trait `SliceIndex<T>`
[INFO] [stdout]   --> /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/core/src/slice/index.rs:214:0
[INFO] [stdout]    |
[INFO] [stdout]    = note: `usize` implements `SliceIndex<[T]>`
[INFO] [stdout]   --> /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/core/src/bstr/traits.rs:203:0
[INFO] [stdout]    |
[INFO] [stdout]    = note: `usize` implements `SliceIndex<ByteStr>`
[INFO] [stdout]    = note: required for `[char]` to implement `Index<u8>`
[INFO] [stdout]    = note: 1 redundant requirement hidden
[INFO] [stdout]    = note: required for `[char; 64]` to implement `Index<u8>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the type `[char]` cannot be indexed by `u8`
[INFO] [stdout]   --> src/main.rs:36:39
[INFO] [stdout]    |
[INFO] [stdout] 36 |         encoded.push_str(ENCODE_CHARS[byte & 0b00111111]);
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `SliceIndex<[char]>` is not implemented for `u8`
[INFO] [stdout] help: the following other types implement trait `SliceIndex<T>`
[INFO] [stdout]   --> /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/core/src/slice/index.rs:214:0
[INFO] [stdout]    |
[INFO] [stdout]    = note: `usize` implements `SliceIndex<[T]>`
[INFO] [stdout]   --> /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/core/src/bstr/traits.rs:203:0
[INFO] [stdout]    |
[INFO] [stdout]    = note: `usize` implements `SliceIndex<ByteStr>`
[INFO] [stdout]    = note: required for `[char]` to implement `Index<u8>`
[INFO] [stdout]    = note: 1 redundant requirement hidden
[INFO] [stdout]    = note: required for `[char; 64]` to implement `Index<u8>`
[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] [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 `base64` (bin "base64") due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `base64` (bin "base64" test) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "783de1a6e9bf11b1ace6095ff9be9af91985ba514e713aabede5bb352352d94f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "783de1a6e9bf11b1ace6095ff9be9af91985ba514e713aabede5bb352352d94f", kill_on_drop: false }`
[INFO] [stdout] 783de1a6e9bf11b1ace6095ff9be9af91985ba514e713aabede5bb352352d94f
