[INFO] crate bagofholding 0.1.0 is already in cache
[INFO] testing bagofholding-0.1.0 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] extracting crate bagofholding 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate bagofholding 0.1.0 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bagofholding 0.1.0
[INFO] finished tweaking crates.io crate bagofholding 0.1.0
[INFO] tweaked toml for crates.io crate bagofholding 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14bd146cb4d9dc8d2ee28f0cb0cda761daf7cec5fa8501770e956fc3b97d153d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "14bd146cb4d9dc8d2ee28f0cb0cda761daf7cec5fa8501770e956fc3b97d153d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14bd146cb4d9dc8d2ee28f0cb0cda761daf7cec5fa8501770e956fc3b97d153d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14bd146cb4d9dc8d2ee28f0cb0cda761daf7cec5fa8501770e956fc3b97d153d", kill_on_drop: false }`
[INFO] [stdout] 14bd146cb4d9dc8d2ee28f0cb0cda761daf7cec5fa8501770e956fc3b97d153d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9e8e561510c66451a99c8a80042172751917dfb93ad5f69fcf66c3803abec5f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e9e8e561510c66451a99c8a80042172751917dfb93ad5f69fcf66c3803abec5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling bagofholding v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/bst/tree_node.rs:165:30
[INFO] [stdout]     |
[INFO] [stdout] 165 |             Self::Internal { data, left, right } => {
[INFO] [stdout]     |                              ^^^^ help: try ignoring the field: `data: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `increment_use`
[INFO] [stdout]   --> src/bst/node_data.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn increment_use(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "e9e8e561510c66451a99c8a80042172751917dfb93ad5f69fcf66c3803abec5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9e8e561510c66451a99c8a80042172751917dfb93ad5f69fcf66c3803abec5f", kill_on_drop: false }`
[INFO] [stdout] e9e8e561510c66451a99c8a80042172751917dfb93ad5f69fcf66c3803abec5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 49f5484f92ba03b2b8fd7460b09e24e15fba692a0173dd371c4aa8e425a4a85c
[INFO] running `Command { std: "docker" "start" "-a" "49f5484f92ba03b2b8fd7460b09e24e15fba692a0173dd371c4aa8e425a4a85c", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/bst/tree_node.rs:165:30
[INFO] [stdout]     |
[INFO] [stdout] 165 |             Self::Internal { data, left, right } => {
[INFO] [stdout]     |                              ^^^^ help: try ignoring the field: `data: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling bagofholding v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `increment_use`
[INFO] [stdout]   --> src/bst/node_data.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn increment_use(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/bst/tree_node.rs:165:30
[INFO] [stdout]     |
[INFO] [stdout] 165 |             Self::Internal { data, left, right } => {
[INFO] [stdout]     |                              ^^^^ help: try ignoring the field: `data: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `increment_use`
[INFO] [stdout]   --> src/bst/node_data.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn increment_use(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "49f5484f92ba03b2b8fd7460b09e24e15fba692a0173dd371c4aa8e425a4a85c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49f5484f92ba03b2b8fd7460b09e24e15fba692a0173dd371c4aa8e425a4a85c", kill_on_drop: false }`
[INFO] [stdout] 49f5484f92ba03b2b8fd7460b09e24e15fba692a0173dd371c4aa8e425a4a85c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4129ad0dfa01b3445dd8e805e616989bda24240d91a1742ffc39f8d019bbb28d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4129ad0dfa01b3445dd8e805e616989bda24240d91a1742ffc39f8d019bbb28d", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]    --> src/bst/tree_node.rs:165:30
[INFO] [stderr]     |
[INFO] [stderr] 165 |             Self::Internal { data, left, right } => {
[INFO] [stderr]     |                              ^^^^ help: try ignoring the field: `data: _`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `increment_use`
[INFO] [stderr]   --> src/bst/node_data.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn increment_use(&mut self) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]    --> src/bst/tree_node.rs:165:30
[INFO] [stderr]     |
[INFO] [stderr] 165 |             Self::Internal { data, left, right } => {
[INFO] [stderr]     |                              ^^^^ help: try ignoring the field: `data: _`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `increment_use`
[INFO] [stderr]   --> src/bst/node_data.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn increment_use(&mut self) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bagofholding-2c81582749958b57
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bagofholding
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4129ad0dfa01b3445dd8e805e616989bda24240d91a1742ffc39f8d019bbb28d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4129ad0dfa01b3445dd8e805e616989bda24240d91a1742ffc39f8d019bbb28d", kill_on_drop: false }`
[INFO] [stdout] 4129ad0dfa01b3445dd8e805e616989bda24240d91a1742ffc39f8d019bbb28d