[INFO] cloning repository https://github.com/imazen/s3-log-combiner
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/imazen/s3-log-combiner" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimazen%2Fs3-log-combiner", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimazen%2Fs3-log-combiner'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3f30003d88f98902ed0656e397d7c376840c5c0d
[INFO] checking imazen/s3-log-combiner against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimazen%2Fs3-log-combiner" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/imazen/s3-log-combiner
[INFO] finished tweaking git repo https://github.com/imazen/s3-log-combiner
[INFO] tweaked toml for git repo https://github.com/imazen/s3-log-combiner written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/imazen/s3-log-combiner on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/imazen/s3-log-combiner 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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e35a20bd19a194e8194a8de302e6467415e17496391953e35b03a6215bf63929
[INFO] running `Command { std: "docker" "start" "-a" "e35a20bd19a194e8194a8de302e6467415e17496391953e35b03a6215bf63929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e35a20bd19a194e8194a8de302e6467415e17496391953e35b03a6215bf63929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e35a20bd19a194e8194a8de302e6467415e17496391953e35b03a6215bf63929", kill_on_drop: false }`
[INFO] [stdout] e35a20bd19a194e8194a8de302e6467415e17496391953e35b03a6215bf63929
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a75741b6dd981c24a08157a36e65f4c2e833b9c42638ce18f827c556581e3c24
[INFO] running `Command { std: "docker" "start" "-a" "a75741b6dd981c24a08157a36e65f4c2e833b9c42638ce18f827c556581e3c24", kill_on_drop: false }`
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[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/cli.rs:22:27
[INFO] [stdout]    |
[INFO] [stdout] 22 |         default_value_t = ("us-west-2".to_string())
[INFO] [stdout]    |                           ^                       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 22 -         default_value_t = ("us-west-2".to_string())
[INFO] [stdout] 22 +         default_value_t = "us-west-2".to_string() 
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/cli.rs:22:27
[INFO] [stdout]    |
[INFO] [stdout] 22 |         default_value_t = ("us-west-2".to_string())
[INFO] [stdout]    |                           ^                       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 22 -         default_value_t = ("us-west-2".to_string())
[INFO] [stdout] 22 +         default_value_t = "us-west-2".to_string() 
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/main.rs:586:57
[INFO] [stdout]     |
[INFO] [stdout] 586 | ...                   + object.size.as_ref().map(|ref t| 30).unwrap_or(0)
[INFO] [stdout]     |                                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/main.rs:586:57
[INFO] [stdout]     |
[INFO] [stdout] 586 | ...                   + object.size.as_ref().map(|ref t| 30).unwrap_or(0)
[INFO] [stdout]     |                                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ParseArgs` is never constructed
[INFO] [stdout]   --> src/cli.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 | struct ParseArgs {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_s3_log_line` is never used
[INFO] [stdout]  --> src/parsing.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn parse_s3_log_line(
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ParseArgs` is never constructed
[INFO] [stdout]   --> src/cli.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 | struct ParseArgs {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_s3_log_line` is never used
[INFO] [stdout]  --> src/parsing.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn parse_s3_log_line(
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 32.78s
[INFO] running `Command { std: "docker" "inspect" "a75741b6dd981c24a08157a36e65f4c2e833b9c42638ce18f827c556581e3c24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a75741b6dd981c24a08157a36e65f4c2e833b9c42638ce18f827c556581e3c24", kill_on_drop: false }`
[INFO] [stdout] a75741b6dd981c24a08157a36e65f4c2e833b9c42638ce18f827c556581e3c24