[INFO] fetching crate ctw 0.1.0...
[INFO] testing ctw-0.1.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate ctw 0.1.0 into /workspace/builds/worker-0-tc2/source
[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-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ctw 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] crate crates.io crate ctw 0.1.0 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 3a6f555b0ca122315155f62e53e2199a134fb4e7894ee584ee0bb0b7a742da42
[INFO] running `Command { std: "docker" "start" "-a" "3a6f555b0ca122315155f62e53e2199a134fb4e7894ee584ee0bb0b7a742da42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a6f555b0ca122315155f62e53e2199a134fb4e7894ee584ee0bb0b7a742da42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a6f555b0ca122315155f62e53e2199a134fb4e7894ee584ee0bb0b7a742da42", kill_on_drop: false }`
[INFO] [stdout] 3a6f555b0ca122315155f62e53e2199a134fb4e7894ee584ee0bb0b7a742da42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 6b94f438d3777d5776ef6891f37a711072ff491276b98269d846002d5785df0d
[INFO] running `Command { std: "docker" "start" "-a" "6b94f438d3777d5776ef6891f37a711072ff491276b98269d846002d5785df0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[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: the feature `option_get_or_insert_default` has been stable since 1.83.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(option_get_or_insert_default)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `option_get_or_insert_default` has been stable since 1.83.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(option_get_or_insert_default)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `revert_zero` and `revert` are never used
[INFO] [stdout]   --> src/ctw_node.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl CtwNode {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn revert_zero(&mut self, context: &[bool]) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 82 |     pub fn revert(&mut self, symbol: bool, context: &[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: method `clear_context` is never used
[INFO] [stdout]   --> src/ctw_tree.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl CtwTree {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn clear_context(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.29s
[INFO] running `Command { std: "docker" "inspect" "6b94f438d3777d5776ef6891f37a711072ff491276b98269d846002d5785df0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b94f438d3777d5776ef6891f37a711072ff491276b98269d846002d5785df0d", kill_on_drop: false }`
[INFO] [stdout] 6b94f438d3777d5776ef6891f37a711072ff491276b98269d846002d5785df0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 0053e49ff3769c901cf80fa0c0ebf12de2fc185d4d9f21496ee6266d79051a1c
[INFO] running `Command { std: "docker" "start" "-a" "0053e49ff3769c901cf80fa0c0ebf12de2fc185d4d9f21496ee6266d79051a1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling ctw v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `option_get_or_insert_default` has been stable since 1.83.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(option_get_or_insert_default)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `option_get_or_insert_default` has been stable since 1.83.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(option_get_or_insert_default)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `revert_zero` and `revert` are never used
[INFO] [stdout]   --> src/ctw_node.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl CtwNode {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn revert_zero(&mut self, context: &[bool]) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 82 |     pub fn revert(&mut self, symbol: bool, context: &[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: method `clear_context` is never used
[INFO] [stdout]   --> src/ctw_tree.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl CtwTree {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn clear_context(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `option_get_or_insert_default` has been stable since 1.83.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(option_get_or_insert_default)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "0053e49ff3769c901cf80fa0c0ebf12de2fc185d4d9f21496ee6266d79051a1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0053e49ff3769c901cf80fa0c0ebf12de2fc185d4d9f21496ee6266d79051a1c", kill_on_drop: false }`
[INFO] [stdout] 0053e49ff3769c901cf80fa0c0ebf12de2fc185d4d9f21496ee6266d79051a1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] c4ff935784f9d3c2545e2f5784e250a7a3b22d64635a57c0152ba0d084c743ee
[INFO] running `Command { std: "docker" "start" "-a" "c4ff935784f9d3c2545e2f5784e250a7a3b22d64635a57c0152ba0d084c743ee", kill_on_drop: false }`
[INFO] [stderr] warning: the feature `option_get_or_insert_default` has been stable since 1.83.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(option_get_or_insert_default)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ctw` (lib) generated 1 warning
[INFO] [stderr] warning: the feature `option_get_or_insert_default` has been stable since 1.83.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(option_get_or_insert_default)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `revert_zero` and `revert` are never used
[INFO] [stderr]   --> src/ctw_node.rs:56:12
[INFO] [stderr]    |
[INFO] [stderr] 26 | impl CtwNode {
[INFO] [stderr]    | ------------ methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 56 |     pub fn revert_zero(&mut self, context: &[bool]) {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 82 |     pub fn revert(&mut self, symbol: bool, context: &[bool]) {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `clear_context` is never used
[INFO] [stderr]   --> src/ctw_tree.rs:47:12
[INFO] [stderr]    |
[INFO] [stderr] 14 | impl CtwTree {
[INFO] [stderr]    | ------------ method in this implementation
[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] warning: `ctw` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ctw-17cbc92e60334363)
[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]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ctw-49b2cb6a3990a2b5)
[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 ctw
[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 0.34s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c4ff935784f9d3c2545e2f5784e250a7a3b22d64635a57c0152ba0d084c743ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4ff935784f9d3c2545e2f5784e250a7a3b22d64635a57c0152ba0d084c743ee", kill_on_drop: false }`
[INFO] [stdout] c4ff935784f9d3c2545e2f5784e250a7a3b22d64635a57c0152ba0d084c743ee