[INFO] cloning repository https://github.com/setavenger/rlvldb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/setavenger/rlvldb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsetavenger%2Frlvldb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsetavenger%2Frlvldb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b07a98b4c7240b1a2914f882278f2ac6d479fb5b
[INFO] checking setavenger/rlvldb against try#2b41547e41f63ea0ca9cb25417ddd569b19e6a50 for pr-134273
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsetavenger%2Frlvldb" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/setavenger/rlvldb on toolchain 2b41547e41f63ea0ca9cb25417ddd569b19e6a50
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2b41547e41f63ea0ca9cb25417ddd569b19e6a50" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/setavenger/rlvldb
[INFO] finished tweaking git repo https://github.com/setavenger/rlvldb
[INFO] tweaked toml for git repo https://github.com/setavenger/rlvldb written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/setavenger/rlvldb 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" "+2b41547e41f63ea0ca9cb25417ddd569b19e6a50" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+2b41547e41f63ea0ca9cb25417ddd569b19e6a50" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b02df4113514dc38be7047cca0d63d03a6d2ca89c3ab1ec9ff8e615eb3d97c59
[INFO] running `Command { std: "docker" "start" "-a" "b02df4113514dc38be7047cca0d63d03a6d2ca89c3ab1ec9ff8e615eb3d97c59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b02df4113514dc38be7047cca0d63d03a6d2ca89c3ab1ec9ff8e615eb3d97c59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b02df4113514dc38be7047cca0d63d03a6d2ca89c3ab1ec9ff8e615eb3d97c59", kill_on_drop: false }`
[INFO] [stdout] b02df4113514dc38be7047cca0d63d03a6d2ca89c3ab1ec9ff8e615eb3d97c59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+2b41547e41f63ea0ca9cb25417ddd569b19e6a50" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 982c979801954af86151d316fb340240be471ee6aaf5cbac0609172d2bde84ee
[INFO] running `Command { std: "docker" "start" "-a" "982c979801954af86151d316fb340240be471ee6aaf5cbac0609172d2bde84ee", kill_on_drop: false }`
[INFO] [stderr]     Checking rlvldb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/key_value.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{self, BufRead, BufWriter, Read, Write};
[INFO] [stdout]   |                     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/key_value.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{self, BufRead, BufWriter, Read, Write};
[INFO] [stdout]   |                     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/key_value.rs:151:22
[INFO] [stdout]     |
[INFO] [stdout] 151 |             index += len_key;
[INFO] [stdout]     |                      ^^^^^^^ expected `usize`, found `u32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/key_value.rs:151:22
[INFO] [stdout]     |
[INFO] [stdout] 151 |             index += len_key;
[INFO] [stdout]     |                      ^^^^^^^ expected `usize`, found `u32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot add-assign `u32` to `usize`
[INFO] [stdout]    --> src/key_value.rs:151:19
[INFO] [stdout]     |
[INFO] [stdout] 151 |             index += len_key;
[INFO] [stdout]     |                   ^^ no implementation for `usize += u32`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `AddAssign<u32>` is not implemented for `usize`
[INFO] [stdout]     = help: the following other types implement trait `AddAssign<Rhs>`:
[INFO] [stdout]               `usize` implements `AddAssign<&usize>`
[INFO] [stdout]               `usize` implements `AddAssign`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot add-assign `u32` to `usize`
[INFO] [stdout]    --> src/key_value.rs:151:19
[INFO] [stdout]     |
[INFO] [stdout] 151 |             index += len_key;
[INFO] [stdout]     |                   ^^ no implementation for `usize += u32`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `AddAssign<u32>` is not implemented for `usize`
[INFO] [stdout]     = help: the following other types implement trait `AddAssign<Rhs>`:
[INFO] [stdout]               `usize` implements `AddAssign<&usize>`
[INFO] [stdout]               `usize` implements `AddAssign`
[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 `rlvldb` (bin "rlvldb") due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rlvldb` (bin "rlvldb" test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "982c979801954af86151d316fb340240be471ee6aaf5cbac0609172d2bde84ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "982c979801954af86151d316fb340240be471ee6aaf5cbac0609172d2bde84ee", kill_on_drop: false }`
[INFO] [stdout] 982c979801954af86151d316fb340240be471ee6aaf5cbac0609172d2bde84ee