[INFO] fetching crate cliff 0.3.2...
[INFO] testing cliff-0.3.2 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate cliff 0.3.2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate cliff 0.3.2
[INFO] finished tweaking crates.io crate cliff 0.3.2
[INFO] tweaked toml for crates.io crate cliff 0.3.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cliff 0.3.2 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] 821a2079ea13989971eca9fc0dd0c8c8d06334a09baec9e07f96f6eb246ed24e
[INFO] running `Command { std: "docker" "start" "-a" "821a2079ea13989971eca9fc0dd0c8c8d06334a09baec9e07f96f6eb246ed24e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "821a2079ea13989971eca9fc0dd0c8c8d06334a09baec9e07f96f6eb246ed24e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "821a2079ea13989971eca9fc0dd0c8c8d06334a09baec9e07f96f6eb246ed24e", kill_on_drop: false }`
[INFO] [stdout] 821a2079ea13989971eca9fc0dd0c8c8d06334a09baec9e07f96f6eb246ed24e
[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] e0d5d2a96dcab310e962b0cc100eee7d7954586355038f986ed57abee756fa32
[INFO] running `Command { std: "docker" "start" "-a" "e0d5d2a96dcab310e962b0cc100eee7d7954586355038f986ed57abee756fa32", kill_on_drop: false }`
[INFO] [stderr]    Compiling cliff v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `start` is never read
[INFO] [stdout]  --> src/exponential.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct ExponentialCliffSearcher {
[INFO] [stdout]   |            ------------------------ field in this struct
[INFO] [stdout] 8 |     max_in: core::ops::Range<usize>,
[INFO] [stdout] 9 |     start: usize,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ExponentialCliffSearcher` has derived impls for the traits `Clone` and `Debug`, but these are 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 0.14s
[INFO] running `Command { std: "docker" "inspect" "e0d5d2a96dcab310e962b0cc100eee7d7954586355038f986ed57abee756fa32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0d5d2a96dcab310e962b0cc100eee7d7954586355038f986ed57abee756fa32", kill_on_drop: false }`
[INFO] [stdout] e0d5d2a96dcab310e962b0cc100eee7d7954586355038f986ed57abee756fa32
[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] f5aa1ca1ec575bf37b6557700dbbf6a6ea07a97a2c3ce42fe9c0cb8eb837fd87
[INFO] running `Command { std: "docker" "start" "-a" "f5aa1ca1ec575bf37b6557700dbbf6a6ea07a97a2c3ce42fe9c0cb8eb837fd87", kill_on_drop: false }`
[INFO] [stderr]    Compiling cliff v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `start` is never read
[INFO] [stdout]  --> src/exponential.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct ExponentialCliffSearcher {
[INFO] [stdout]   |            ------------------------ field in this struct
[INFO] [stdout] 8 |     max_in: core::ops::Range<usize>,
[INFO] [stdout] 9 |     start: usize,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ExponentialCliffSearcher` has derived impls for the traits `Clone` and `Debug`, but these are 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 `start` is never read
[INFO] [stdout]  --> src/exponential.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct ExponentialCliffSearcher {
[INFO] [stdout]   |            ------------------------ field in this struct
[INFO] [stdout] 8 |     max_in: core::ops::Range<usize>,
[INFO] [stdout] 9 |     start: usize,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ExponentialCliffSearcher` has derived impls for the traits `Clone` and `Debug`, but these are 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 0.71s
[INFO] running `Command { std: "docker" "inspect" "f5aa1ca1ec575bf37b6557700dbbf6a6ea07a97a2c3ce42fe9c0cb8eb837fd87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5aa1ca1ec575bf37b6557700dbbf6a6ea07a97a2c3ce42fe9c0cb8eb837fd87", kill_on_drop: false }`
[INFO] [stdout] f5aa1ca1ec575bf37b6557700dbbf6a6ea07a97a2c3ce42fe9c0cb8eb837fd87
[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] 19c14e748c9dbca59f6d072fb9acd321afe719c2facd06e1a46f6b86658cc15a
[INFO] running `Command { std: "docker" "start" "-a" "19c14e748c9dbca59f6d072fb9acd321afe719c2facd06e1a46f6b86658cc15a", kill_on_drop: false }`
[INFO] [stderr] warning: field `start` is never read
[INFO] [stderr]  --> src/exponential.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct ExponentialCliffSearcher {
[INFO] [stderr]   |            ------------------------ field in this struct
[INFO] [stderr] 8 |     max_in: core::ops::Range<usize>,
[INFO] [stderr] 9 |     start: usize,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `ExponentialCliffSearcher` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `cliff` (lib) generated 1 warning
[INFO] [stderr] warning: `cliff` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cliff-b914caad822ed767)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test binmin::immediate ... ok
[INFO] [stdout] test binmin::search_from_until ... ok
[INFO] [stdout] test binmin::through_trait ... ok
[INFO] [stdout] test exponential::immediate ... ok
[INFO] [stdout] test exponential::search_from ... ok
[INFO] [stdout] test exponential::search_from_until ... ok
[INFO] [stdout] test exponential::through_trait ... ok
[INFO] [stdout] test linear::linear_fail ... ok
[INFO] [stdout] test linear::linear_nofail ... ok
[INFO] [stderr]    Doc-tests cliff
[INFO] [stdout] test exponential::fill_search ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 30) ... ok
[INFO] [stdout] test src/lib.rs - (line 48) ... ok
[INFO] [stdout] test src/lib.rs - (line 84) ... ok
[INFO] [stdout] test src/binmin.rs - binmin::BinaryMinSearcher (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.58s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "19c14e748c9dbca59f6d072fb9acd321afe719c2facd06e1a46f6b86658cc15a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19c14e748c9dbca59f6d072fb9acd321afe719c2facd06e1a46f6b86658cc15a", kill_on_drop: false }`
[INFO] [stdout] 19c14e748c9dbca59f6d072fb9acd321afe719c2facd06e1a46f6b86658cc15a