[INFO] fetching crate truncated_free_groups 0.1.0...
[INFO] testing truncated_free_groups-0.1.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate truncated_free_groups 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate truncated_free_groups 0.1.0
[INFO] finished tweaking crates.io crate truncated_free_groups 0.1.0
[INFO] tweaked toml for crates.io crate truncated_free_groups 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate truncated_free_groups 0.1.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8bea9aef63c374d8fd01b4aecd2aba6a0ab04424674bbccfa17275961989d381
[INFO] running `Command { std: "docker" "start" "-a" "8bea9aef63c374d8fd01b4aecd2aba6a0ab04424674bbccfa17275961989d381", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bea9aef63c374d8fd01b4aecd2aba6a0ab04424674bbccfa17275961989d381", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bea9aef63c374d8fd01b4aecd2aba6a0ab04424674bbccfa17275961989d381", kill_on_drop: false }`
[INFO] [stdout] 8bea9aef63c374d8fd01b4aecd2aba6a0ab04424674bbccfa17275961989d381
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79524b205c1df5aadbca474d18b53f8787f9b9fd6b1b48ed501d9f8d55b01edf
[INFO] running `Command { std: "docker" "start" "-a" "79524b205c1df5aadbca474d18b53f8787f9b9fd6b1b48ed501d9f8d55b01edf", kill_on_drop: false }`
[INFO] [stderr]    Compiling l_group_formulas v0.1.0
[INFO] [stderr]    Compiling truncated_free_groups v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `verbose` is never read
[INFO] [stdout]   --> src/truncated_subgroup.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct TruncatedSubgroup {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 44 |     verbose:                 bool,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TruncatedSubgroup` 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "79524b205c1df5aadbca474d18b53f8787f9b9fd6b1b48ed501d9f8d55b01edf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79524b205c1df5aadbca474d18b53f8787f9b9fd6b1b48ed501d9f8d55b01edf", kill_on_drop: false }`
[INFO] [stdout] 79524b205c1df5aadbca474d18b53f8787f9b9fd6b1b48ed501d9f8d55b01edf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1f1784be4e927b7af7aecb65bd8c74f601ba3b4ef41733f5a2312001154c4de
[INFO] running `Command { std: "docker" "start" "-a" "e1f1784be4e927b7af7aecb65bd8c74f601ba3b4ef41733f5a2312001154c4de", kill_on_drop: false }`
[INFO] [stderr]    Compiling truncated_free_groups v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `verbose` is never read
[INFO] [stdout]   --> src/truncated_subgroup.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct TruncatedSubgroup {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 44 |     verbose:                 bool,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TruncatedSubgroup` 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 `verbose` is never read
[INFO] [stdout]   --> src/truncated_subgroup.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct TruncatedSubgroup {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 44 |     verbose:                 bool,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TruncatedSubgroup` 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "e1f1784be4e927b7af7aecb65bd8c74f601ba3b4ef41733f5a2312001154c4de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1f1784be4e927b7af7aecb65bd8c74f601ba3b4ef41733f5a2312001154c4de", kill_on_drop: false }`
[INFO] [stdout] e1f1784be4e927b7af7aecb65bd8c74f601ba3b4ef41733f5a2312001154c4de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 09c6665742c986a11c678488e6bb5d13a04b08741452dedd433967b462c51057
[INFO] running `Command { std: "docker" "start" "-a" "09c6665742c986a11c678488e6bb5d13a04b08741452dedd433967b462c51057", kill_on_drop: false }`
[INFO] [stderr] warning: field `verbose` is never read
[INFO] [stderr]   --> src/truncated_subgroup.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub struct TruncatedSubgroup {
[INFO] [stderr]    |            ----------------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 44 |     verbose:                 bool,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `TruncatedSubgroup` 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: `truncated_free_groups` (lib) generated 1 warning
[INFO] [stderr] warning: `truncated_free_groups` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/truncated_free_groups-c7ca0bba3603846d)
[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] [stderr]    Doc-tests truncated_free_groups
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/truncated_group.rs - truncated_group::TruncatedGroup (line 11) ... ok
[INFO] [stdout] test src/truncated_subgroup.rs - truncated_subgroup::TruncatedSubgroup (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.50s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "09c6665742c986a11c678488e6bb5d13a04b08741452dedd433967b462c51057", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09c6665742c986a11c678488e6bb5d13a04b08741452dedd433967b462c51057", kill_on_drop: false }`
[INFO] [stdout] 09c6665742c986a11c678488e6bb5d13a04b08741452dedd433967b462c51057