[INFO] cloning repository https://github.com/Rjected/amt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Rjected/amt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRjected%2Famt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRjected%2Famt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cd4761fb80283111f2194b09a4aec2044bd835d3
[INFO] testing Rjected/amt against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRjected%2Famt" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Rjected/amt
[INFO] finished tweaking git repo https://github.com/Rjected/amt
[INFO] tweaked toml for git repo https://github.com/Rjected/amt written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Rjected/amt on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Rjected/amt 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 718fe8c36625c92e705bdd024b62d622b31cea0a4451384cc701b0a0f5d7f825
[INFO] running `Command { std: "docker" "start" "-a" "718fe8c36625c92e705bdd024b62d622b31cea0a4451384cc701b0a0f5d7f825", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "718fe8c36625c92e705bdd024b62d622b31cea0a4451384cc701b0a0f5d7f825", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "718fe8c36625c92e705bdd024b62d622b31cea0a4451384cc701b0a0f5d7f825", kill_on_drop: false }`
[INFO] [stdout] 718fe8c36625c92e705bdd024b62d622b31cea0a4451384cc701b0a0f5d7f825
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 831848ab7ecc05ad018c9294e88826c4afe4cd82676179e8c7b95248a040b5e8
[INFO] running `Command { std: "docker" "start" "-a" "831848ab7ecc05ad018c9294e88826c4afe4cd82676179e8c7b95248a040b5e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling amt v0.1.0 (/opt/rustwide/workdir/crates/amt)
[INFO] [stdout] warning: struct `AMTBitmap` is never constructed
[INFO] [stdout]   --> crates/amt/src/lib.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 | struct AMTBitmap {
[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 `count_bits` is never used
[INFO] [stdout]   --> crates/amt/src/lib.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 63 | impl AMTBitmap {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] 64 |     /// Count the bits in the bitmap
[INFO] [stdout] 65 |     fn count_bits(&self) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `node_count` and `chr` are never read
[INFO] [stdout]    --> crates/amt/src/lib.rs:107:5
[INFO] [stdout]     |
[INFO] [stdout] 105 | pub struct AMTNode {
[INFO] [stdout]     |            ------- fields in this struct
[INFO] [stdout] 106 |     /// The number of nodes in the AMT
[INFO] [stdout] 107 |     node_count: u16,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 108 |     /// The character for the AMT node
[INFO] [stdout] 109 |     chr: u16,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `AMTNode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "831848ab7ecc05ad018c9294e88826c4afe4cd82676179e8c7b95248a040b5e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "831848ab7ecc05ad018c9294e88826c4afe4cd82676179e8c7b95248a040b5e8", kill_on_drop: false }`
[INFO] [stdout] 831848ab7ecc05ad018c9294e88826c4afe4cd82676179e8c7b95248a040b5e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 106e61f9377839debc971b208148c4ddd096805ae188d820471880593e60b1f4
[INFO] running `Command { std: "docker" "start" "-a" "106e61f9377839debc971b208148c4ddd096805ae188d820471880593e60b1f4", kill_on_drop: false }`
[INFO] [stdout] warning: struct `AMTBitmap` is never constructed
[INFO] [stdout]   --> crates/amt/src/lib.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 | struct AMTBitmap {
[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 `count_bits` is never used
[INFO] [stdout]   --> crates/amt/src/lib.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 63 | impl AMTBitmap {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] 64 |     /// Count the bits in the bitmap
[INFO] [stdout] 65 |     fn count_bits(&self) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `node_count` and `chr` are never read
[INFO] [stdout]    --> crates/amt/src/lib.rs:107:5
[INFO] [stdout]     |
[INFO] [stdout] 105 | pub struct AMTNode {
[INFO] [stdout]     |            ------- fields in this struct
[INFO] [stdout] 106 |     /// The number of nodes in the AMT
[INFO] [stdout] 107 |     node_count: u16,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 108 |     /// The character for the AMT node
[INFO] [stdout] 109 |     chr: u16,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `AMTNode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling amt v0.1.0 (/opt/rustwide/workdir/crates/amt)
[INFO] [stdout] warning: struct `AMTBitmap` is never constructed
[INFO] [stdout]   --> crates/amt/src/lib.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 | struct AMTBitmap {
[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 `count_bits` is never used
[INFO] [stdout]   --> crates/amt/src/lib.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 63 | impl AMTBitmap {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] 64 |     /// Count the bits in the bitmap
[INFO] [stdout] 65 |     fn count_bits(&self) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `node_count` and `chr` are never read
[INFO] [stdout]    --> crates/amt/src/lib.rs:107:5
[INFO] [stdout]     |
[INFO] [stdout] 105 | pub struct AMTNode {
[INFO] [stdout]     |            ------- fields in this struct
[INFO] [stdout] 106 |     /// The number of nodes in the AMT
[INFO] [stdout] 107 |     node_count: u16,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 108 |     /// The character for the AMT node
[INFO] [stdout] 109 |     chr: u16,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `AMTNode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "106e61f9377839debc971b208148c4ddd096805ae188d820471880593e60b1f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "106e61f9377839debc971b208148c4ddd096805ae188d820471880593e60b1f4", kill_on_drop: false }`
[INFO] [stdout] 106e61f9377839debc971b208148c4ddd096805ae188d820471880593e60b1f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e3eb6bd16f6cf55eed67a43dffdb72924a5d55301da23670483056fae9a9504d
[INFO] running `Command { std: "docker" "start" "-a" "e3eb6bd16f6cf55eed67a43dffdb72924a5d55301da23670483056fae9a9504d", kill_on_drop: false }`
[INFO] [stderr] warning: struct `AMTBitmap` is never constructed
[INFO] [stderr]   --> crates/amt/src/lib.rs:57:8
[INFO] [stderr]    |
[INFO] [stderr] 57 | struct AMTBitmap {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `count_bits` is never used
[INFO] [stderr]   --> crates/amt/src/lib.rs:65:8
[INFO] [stderr]    |
[INFO] [stderr] 63 | impl AMTBitmap {
[INFO] [stderr]    | -------------- method in this implementation
[INFO] [stderr] 64 |     /// Count the bits in the bitmap
[INFO] [stderr] 65 |     fn count_bits(&self) -> u32 {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `node_count` and `chr` are never read
[INFO] [stderr]    --> crates/amt/src/lib.rs:107:5
[INFO] [stderr]     |
[INFO] [stderr] 105 | pub struct AMTNode {
[INFO] [stderr]     |            ------- fields in this struct
[INFO] [stderr] 106 |     /// The number of nodes in the AMT
[INFO] [stderr] 107 |     node_count: u16,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 108 |     /// The character for the AMT node
[INFO] [stderr] 109 |     chr: u16,
[INFO] [stderr]     |     ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `AMTNode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `amt` (lib) generated 3 warnings
[INFO] [stderr] warning: `amt` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/amt-958295701406fc1c)
[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 amt
[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" "e3eb6bd16f6cf55eed67a43dffdb72924a5d55301da23670483056fae9a9504d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3eb6bd16f6cf55eed67a43dffdb72924a5d55301da23670483056fae9a9504d", kill_on_drop: false }`
[INFO] [stdout] e3eb6bd16f6cf55eed67a43dffdb72924a5d55301da23670483056fae9a9504d