[INFO] fetching crate ctw 0.1.0...
[INFO] testing ctw-0.1.0 against master#0d13f6afeba4935499abe0c9a07426c94492c94e for pr-96025-2
[INFO] extracting crate ctw 0.1.0 into /workspace/builds/worker-102/source
[INFO] validating manifest of crates.io crate ctw 0.1.0 on toolchain 0d13f6afeba4935499abe0c9a07426c94492c94e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ctw 0.1.0
[INFO] finished tweaking crates.io crate ctw 0.1.0
[INFO] tweaked toml for crates.io crate ctw 0.1.0 written to /workspace/builds/worker-102/source/Cargo.toml
[INFO] crate crates.io crate ctw 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b756047454c1b6ee38ad3876beb05a70a8d808fe0566fb2aa5e649b865d26e31
[INFO] running `Command { std: "docker" "start" "-a" "b756047454c1b6ee38ad3876beb05a70a8d808fe0566fb2aa5e649b865d26e31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b756047454c1b6ee38ad3876beb05a70a8d808fe0566fb2aa5e649b865d26e31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b756047454c1b6ee38ad3876beb05a70a8d808fe0566fb2aa5e649b865d26e31", kill_on_drop: false }`
[INFO] [stdout] b756047454c1b6ee38ad3876beb05a70a8d808fe0566fb2aa5e649b865d26e31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82d618921555f4a56bddc84a6398274f236f07a69d2a8d9cba5e1938d78decbe
[INFO] running `Command { std: "docker" "start" "-a" "82d618921555f4a56bddc84a6398274f236f07a69d2a8d9cba5e1938d78decbe", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling ctw v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `revert_zero`
[INFO] [stdout]   --> src/ctw_node.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn revert_zero(&mut self, context: &[bool]) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `revert`
[INFO] [stdout]   --> src/ctw_node.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn revert(&mut self, symbol: bool, context: &[bool]) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clear_context`
[INFO] [stdout]   --> src/ctw_tree.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn clear_context(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.34s
[INFO] running `Command { std: "docker" "inspect" "82d618921555f4a56bddc84a6398274f236f07a69d2a8d9cba5e1938d78decbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82d618921555f4a56bddc84a6398274f236f07a69d2a8d9cba5e1938d78decbe", kill_on_drop: false }`
[INFO] [stdout] 82d618921555f4a56bddc84a6398274f236f07a69d2a8d9cba5e1938d78decbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e83dd9eb444871f6b31d4ffed77a8e9e12ebeda0a6cfe37d6090b10280206d4
[INFO] running `Command { std: "docker" "start" "-a" "9e83dd9eb444871f6b31d4ffed77a8e9e12ebeda0a6cfe37d6090b10280206d4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ctw v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `revert_zero`
[INFO] [stdout]   --> src/ctw_node.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn revert_zero(&mut self, context: &[bool]) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `revert`
[INFO] [stdout]   --> src/ctw_node.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn revert(&mut self, symbol: bool, context: &[bool]) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clear_context`
[INFO] [stdout]   --> src/ctw_tree.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn clear_context(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.26s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/ctw-d5fab66a67671a02)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/ctw-f1b829bb5ff22a57)
[INFO] running `Command { std: "docker" "inspect" "9e83dd9eb444871f6b31d4ffed77a8e9e12ebeda0a6cfe37d6090b10280206d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e83dd9eb444871f6b31d4ffed77a8e9e12ebeda0a6cfe37d6090b10280206d4", kill_on_drop: false }`
[INFO] [stdout] 9e83dd9eb444871f6b31d4ffed77a8e9e12ebeda0a6cfe37d6090b10280206d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8ff36d5073b4865372ea14608ea6cfe296768997ad4930ed156eb69bed4d5513
[INFO] running `Command { std: "docker" "start" "-a" "8ff36d5073b4865372ea14608ea6cfe296768997ad4930ed156eb69bed4d5513", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: associated function is never used: `revert_zero`
[INFO] [stderr]   --> src/ctw_node.rs:56:12
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn revert_zero(&mut self, context: &[bool]) {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `revert`
[INFO] [stderr]   --> src/ctw_node.rs:82:12
[INFO] [stderr]    |
[INFO] [stderr] 82 |     pub fn revert(&mut self, symbol: bool, context: &[bool]) {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `clear_context`
[INFO] [stderr]   --> src/ctw_tree.rs:47:12
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn clear_context(&mut self) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `ctw` (bin "ctw" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ctw-d5fab66a67671a02)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ctw-f1b829bb5ff22a57)
[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] [stdout] 
[INFO] [stderr]    Doc-tests ctw
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - ReadmeDoctests (line 14) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.73s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8ff36d5073b4865372ea14608ea6cfe296768997ad4930ed156eb69bed4d5513", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ff36d5073b4865372ea14608ea6cfe296768997ad4930ed156eb69bed4d5513", kill_on_drop: false }`
[INFO] [stdout] 8ff36d5073b4865372ea14608ea6cfe296768997ad4930ed156eb69bed4d5513