[INFO] cloning repository https://github.com/alpaylan/crabcheck
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alpaylan/crabcheck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falpaylan%2Fcrabcheck", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falpaylan%2Fcrabcheck'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9fe6c627346a9e7042f3968197c6bcdb211867ec
[INFO] testing alpaylan/crabcheck against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falpaylan%2Fcrabcheck" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-3-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/alpaylan/crabcheck
[INFO] finished tweaking git repo https://github.com/alpaylan/crabcheck
[INFO] tweaked toml for git repo https://github.com/alpaylan/crabcheck written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/alpaylan/crabcheck 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/alpaylan/crabcheck 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] [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9fad3b217919e0049ad66f1dba20fc49556a2a6a8c6390cc57fb39280cff3e1d
[INFO] running `Command { std: "docker" "start" "-a" "9fad3b217919e0049ad66f1dba20fc49556a2a6a8c6390cc57fb39280cff3e1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9fad3b217919e0049ad66f1dba20fc49556a2a6a8c6390cc57fb39280cff3e1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fad3b217919e0049ad66f1dba20fc49556a2a6a8c6390cc57fb39280cff3e1d", kill_on_drop: false }`
[INFO] [stdout] 9fad3b217919e0049ad66f1dba20fc49556a2a6a8c6390cc57fb39280cff3e1d
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0dda078b3ddcb4339b4d097b7b1be604f5f649f25468468607a6c1ea8ad35f0d
[INFO] running `Command { std: "docker" "start" "-a" "0dda078b3ddcb4339b4d097b7b1be604f5f649f25468468607a6c1ea8ad35f0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling glob v0.3.2
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling cpu-time v1.0.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling crabcheck v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.47s
[INFO] running `Command { std: "docker" "inspect" "0dda078b3ddcb4339b4d097b7b1be604f5f649f25468468607a6c1ea8ad35f0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dda078b3ddcb4339b4d097b7b1be604f5f649f25468468607a6c1ea8ad35f0d", kill_on_drop: false }`
[INFO] [stdout] 0dda078b3ddcb4339b4d097b7b1be604f5f649f25468468607a6c1ea8ad35f0d
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f773b6bbb5dbf229963e374fe2c5b283331ed4c8b656a5f963197f12571f0da
[INFO] running `Command { std: "docker" "start" "-a" "5f773b6bbb5dbf229963e374fe2c5b283331ed4c8b656a5f963197f12571f0da", kill_on_drop: false }`
[INFO] [stderr]    Compiling crabcheck v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]   --> examples/bst/bst.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 |         T(l, k2, v2, r) => {
[INFO] [stdout]    |           ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k2`
[INFO] [stdout]   --> examples/bst/bst.rs:15:14
[INFO] [stdout]    |
[INFO] [stdout] 15 |         T(l, k2, v2, r) => {
[INFO] [stdout]    |              ^^ help: if this is intentional, prefix it with an underscore: `_k2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v2`
[INFO] [stdout]   --> examples/bst/bst.rs:15:18
[INFO] [stdout]    |
[INFO] [stdout] 15 |         T(l, k2, v2, r) => {
[INFO] [stdout]    |                  ^^ help: if this is intentional, prefix it with an underscore: `_v2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> examples/bst/bst.rs:15:22
[INFO] [stdout]    |
[INFO] [stdout] 15 |         T(l, k2, v2, r) => {
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tree_eq` is never used
[INFO] [stdout]  --> examples/bst/spec.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn tree_eq(t1: &Tree, t2: &Tree) -> bool {
[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 `sorted` is never used
[INFO] [stdout]   --> examples/bst/spec.rs:74:4
[INFO] [stdout]    |
[INFO] [stdout] 74 | fn sorted(xs: &[(i32, i32)]) -> bool {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "5f773b6bbb5dbf229963e374fe2c5b283331ed4c8b656a5f963197f12571f0da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f773b6bbb5dbf229963e374fe2c5b283331ed4c8b656a5f963197f12571f0da", kill_on_drop: false }`
[INFO] [stdout] 5f773b6bbb5dbf229963e374fe2c5b283331ed4c8b656a5f963197f12571f0da
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a61099f699875043a0f389e5f71389c290b3dd5bc89a42354a3c264f147af873
[INFO] running `Command { std: "docker" "start" "-a" "a61099f699875043a0f389e5f71389c290b3dd5bc89a42354a3c264f147af873", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `l`
[INFO] [stderr]   --> examples/bst/bst.rs:15:11
[INFO] [stderr]    |
[INFO] [stderr] 15 |         T(l, k2, v2, r) => {
[INFO] [stderr]    |           ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `k2`
[INFO] [stderr]   --> examples/bst/bst.rs:15:14
[INFO] [stderr]    |
[INFO] [stderr] 15 |         T(l, k2, v2, r) => {
[INFO] [stderr]    |              ^^ help: if this is intentional, prefix it with an underscore: `_k2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v2`
[INFO] [stderr]   --> examples/bst/bst.rs:15:18
[INFO] [stderr]    |
[INFO] [stderr] 15 |         T(l, k2, v2, r) => {
[INFO] [stderr]    |                  ^^ help: if this is intentional, prefix it with an underscore: `_v2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r`
[INFO] [stderr]   --> examples/bst/bst.rs:15:22
[INFO] [stderr]    |
[INFO] [stderr] 15 |         T(l, k2, v2, r) => {
[INFO] [stderr]    |                      ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stderr] 
[INFO] [stderr] warning: function `tree_eq` is never used
[INFO] [stderr]  --> examples/bst/spec.rs:5:4
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn tree_eq(t1: &Tree, t2: &Tree) -> bool {
[INFO] [stderr]   |    ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `sorted` is never used
[INFO] [stderr]   --> examples/bst/spec.rs:74:4
[INFO] [stderr]    |
[INFO] [stderr] 74 | fn sorted(xs: &[(i32, i32)]) -> bool {
[INFO] [stderr]    |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `crabcheck` (example "bst") generated 6 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/crabcheck-d2d25e20ab2ee85f)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test quickcheck::tests::test_quickcheck ... ok
[INFO] [stdout] test quickcheck::tests::test_quickcheck_fail ... ok
[INFO] [stdout] test quickcheck::tests::test_quickcheck_tuple ... ok
[INFO] [stdout] test targeting::tests::test_maximizing_targeting_loop ... ok
[INFO] [stdout] test parallelism::tests::test_par_quickcheck ... ok
[INFO] [stdout] test parallelism::tests::test_quickcheck_fail ... ok
[INFO] [stdout] test parallelism::tests::test_quickcheck_tuple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests analysis.rs (/opt/rustwide/target/debug/deps/analysis-582f723f52ba94ec)
[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 crabcheck
[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" "a61099f699875043a0f389e5f71389c290b3dd5bc89a42354a3c264f147af873", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a61099f699875043a0f389e5f71389c290b3dd5bc89a42354a3c264f147af873", kill_on_drop: false }`
[INFO] [stdout] a61099f699875043a0f389e5f71389c290b3dd5bc89a42354a3c264f147af873