[INFO] cloning repository https://github.com/wushshsha/rlearn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wushshsha/rlearn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwushshsha%2Frlearn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwushshsha%2Frlearn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a0c6fbc3fd0339c7159d7ef39b10c1ab64f37b09
[INFO] testing wushshsha/rlearn against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwushshsha%2Frlearn" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/wushshsha/rlearn
[INFO] finished tweaking git repo https://github.com/wushshsha/rlearn
[INFO] tweaked toml for git repo https://github.com/wushshsha/rlearn written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/wushshsha/rlearn on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/wushshsha/rlearn 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3359eebfe82ceede68867642de23b6685b8c163aeed2d97c77e57341c2df11d3
[INFO] running `Command { std: "docker" "start" "-a" "3359eebfe82ceede68867642de23b6685b8c163aeed2d97c77e57341c2df11d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3359eebfe82ceede68867642de23b6685b8c163aeed2d97c77e57341c2df11d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3359eebfe82ceede68867642de23b6685b8c163aeed2d97c77e57341c2df11d3", kill_on_drop: false }`
[INFO] [stdout] 3359eebfe82ceede68867642de23b6685b8c163aeed2d97c77e57341c2df11d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e7c5cc33bd41ab9b5db5e5afcb122cc4a07a3a99a48ee4d579647c6cd6eb052
[INFO] running `Command { std: "docker" "start" "-a" "5e7c5cc33bd41ab9b5db5e5afcb122cc4a07a3a99a48ee4d579647c6cd6eb052", kill_on_drop: false }`
[INFO] [stderr]    Compiling rlearn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/main.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Structure(i32);
[INFO] [stdout]   |        --------- ^^^
[INFO] [stdout]   |        |
[INFO] [stdout]   |        field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `Structure` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/main.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Deep(Structure);
[INFO] [stdout]   |        ---- ^^^^^^^^^
[INFO] [stdout]   |        |
[INFO] [stdout]   |        field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `Deep` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `age` are never read
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | struct Person<'a> {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 10 |     name: &'a str,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 11 |     age:u8
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "5e7c5cc33bd41ab9b5db5e5afcb122cc4a07a3a99a48ee4d579647c6cd6eb052", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e7c5cc33bd41ab9b5db5e5afcb122cc4a07a3a99a48ee4d579647c6cd6eb052", kill_on_drop: false }`
[INFO] [stdout] 5e7c5cc33bd41ab9b5db5e5afcb122cc4a07a3a99a48ee4d579647c6cd6eb052
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f18090cf6a492639cc18c23fa5fb027f99b26add4635d8e73635619c52ffd411
[INFO] running `Command { std: "docker" "start" "-a" "f18090cf6a492639cc18c23fa5fb027f99b26add4635d8e73635619c52ffd411", kill_on_drop: false }`
[INFO] [stderr]    Compiling rlearn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/main.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Structure(i32);
[INFO] [stdout]   |        --------- ^^^
[INFO] [stdout]   |        |
[INFO] [stdout]   |        field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `Structure` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/main.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Deep(Structure);
[INFO] [stdout]   |        ---- ^^^^^^^^^
[INFO] [stdout]   |        |
[INFO] [stdout]   |        field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `Deep` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `age` are never read
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | struct Person<'a> {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 10 |     name: &'a str,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 11 |     age:u8
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "f18090cf6a492639cc18c23fa5fb027f99b26add4635d8e73635619c52ffd411", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f18090cf6a492639cc18c23fa5fb027f99b26add4635d8e73635619c52ffd411", kill_on_drop: false }`
[INFO] [stdout] f18090cf6a492639cc18c23fa5fb027f99b26add4635d8e73635619c52ffd411
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0833f98830fcdb409fd5f004d5f2672255b68836ff02b7187c3f40162fc5c0f6
[INFO] running `Command { std: "docker" "start" "-a" "0833f98830fcdb409fd5f004d5f2672255b68836ff02b7187c3f40162fc5c0f6", kill_on_drop: false }`
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> src/main.rs:2:18
[INFO] [stderr]   |
[INFO] [stderr] 2 | struct Structure(i32);
[INFO] [stderr]   |        --------- ^^^
[INFO] [stderr]   |        |
[INFO] [stderr]   |        field in this struct
[INFO] [stderr]   |
[INFO] [stderr]   = help: consider removing this field
[INFO] [stderr]   = note: `Structure` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> src/main.rs:6:13
[INFO] [stderr]   |
[INFO] [stderr] 6 | struct Deep(Structure);
[INFO] [stderr]   |        ---- ^^^^^^^^^
[INFO] [stderr]   |        |
[INFO] [stderr]   |        field in this struct
[INFO] [stderr]   |
[INFO] [stderr]   = help: consider removing this field
[INFO] [stderr]   = note: `Deep` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `name` and `age` are never read
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr]  9 | struct Person<'a> {
[INFO] [stderr]    |        ------ fields in this struct
[INFO] [stderr] 10 |     name: &'a str,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 11 |     age:u8
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `rlearn` (bin "rlearn" test) generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rlearn-4cf7adb635440ca5)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0833f98830fcdb409fd5f004d5f2672255b68836ff02b7187c3f40162fc5c0f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0833f98830fcdb409fd5f004d5f2672255b68836ff02b7187c3f40162fc5c0f6", kill_on_drop: false }`
[INFO] [stdout] 0833f98830fcdb409fd5f004d5f2672255b68836ff02b7187c3f40162fc5c0f6