[INFO] cloning repository https://github.com/fabianmurariu/qcr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fabianmurariu/qcr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffabianmurariu%2Fqcr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffabianmurariu%2Fqcr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 62774ab78d4f5d8837785ac81eae364c2cf5da89
[INFO] testing fabianmurariu/qcr against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffabianmurariu%2Fqcr" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/fabianmurariu/qcr
[INFO] finished tweaking git repo https://github.com/fabianmurariu/qcr
[INFO] tweaked toml for git repo https://github.com/fabianmurariu/qcr written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fabianmurariu/qcr 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/fabianmurariu/qcr 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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] a0464be8bbe1ef392cae63efae648cbd0c6283f17a8d47c957e024d727f49e0c
[INFO] running `Command { std: "docker" "start" "-a" "a0464be8bbe1ef392cae63efae648cbd0c6283f17a8d47c957e024d727f49e0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0464be8bbe1ef392cae63efae648cbd0c6283f17a8d47c957e024d727f49e0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0464be8bbe1ef392cae63efae648cbd0c6283f17a8d47c957e024d727f49e0c", kill_on_drop: false }`
[INFO] [stdout] a0464be8bbe1ef392cae63efae648cbd0c6283f17a8d47c957e024d727f49e0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] b54469596d2db61faf46000c78b878bbbe1cf6a71805400e606a3c958d56a7f9
[INFO] running `Command { std: "docker" "start" "-a" "b54469596d2db61faf46000c78b878bbbe1cf6a71805400e606a3c958d56a7f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling qcr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Op` is never used
[INFO] [stdout]  --> src/lib.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | trait Op {
[INFO] [stdout]   |       ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Scan` is never constructed
[INFO] [stdout]   --> src/lib.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Scan<I> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Filter` is never constructed
[INFO] [stdout]   --> src/lib.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct Filter<OP, P> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Map` is never constructed
[INFO] [stdout]   --> src/lib.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | struct Map<OP, F> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FlatMap` is never constructed
[INFO] [stdout]   --> src/lib.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 69 | struct FlatMap<OP, F> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "b54469596d2db61faf46000c78b878bbbe1cf6a71805400e606a3c958d56a7f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b54469596d2db61faf46000c78b878bbbe1cf6a71805400e606a3c958d56a7f9", kill_on_drop: false }`
[INFO] [stdout] b54469596d2db61faf46000c78b878bbbe1cf6a71805400e606a3c958d56a7f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 1897e882fecf52dcffd0f2525f879540016caefcb0d83b6020a0bfa2cfd1fef8
[INFO] running `Command { std: "docker" "start" "-a" "1897e882fecf52dcffd0f2525f879540016caefcb0d83b6020a0bfa2cfd1fef8", kill_on_drop: false }`
[INFO] [stdout] warning: trait `Op` is never used
[INFO] [stdout]  --> src/lib.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | trait Op {
[INFO] [stdout]   |       ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Scan` is never constructed
[INFO] [stdout]   --> src/lib.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Scan<I> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Filter` is never constructed
[INFO] [stdout]   --> src/lib.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct Filter<OP, P> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Map` is never constructed
[INFO] [stdout]   --> src/lib.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | struct Map<OP, F> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FlatMap` is never constructed
[INFO] [stdout]   --> src/lib.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 69 | struct FlatMap<OP, F> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling qcr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `FlatMap` is never constructed
[INFO] [stdout]   --> src/lib.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 69 | struct FlatMap<OP, F> {
[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 `can_dynamic` is never used
[INFO] [stdout]   --> src/lib.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn can_dynamic<X>(_op: Box<dyn Op<Record = X>>) {}
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "1897e882fecf52dcffd0f2525f879540016caefcb0d83b6020a0bfa2cfd1fef8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1897e882fecf52dcffd0f2525f879540016caefcb0d83b6020a0bfa2cfd1fef8", kill_on_drop: false }`
[INFO] [stdout] 1897e882fecf52dcffd0f2525f879540016caefcb0d83b6020a0bfa2cfd1fef8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 09fa7ab12db3692e8e21617bd1469daeb46836430c030c2ec8cfb3f2f1ce8ccd
[INFO] running `Command { std: "docker" "start" "-a" "09fa7ab12db3692e8e21617bd1469daeb46836430c030c2ec8cfb3f2f1ce8ccd", kill_on_drop: false }`
[INFO] [stderr] warning: trait `Op` is never used
[INFO] [stderr]  --> src/lib.rs:4:7
[INFO] [stderr]   |
[INFO] [stderr] 4 | trait Op {
[INFO] [stderr]   |       ^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Scan` is never constructed
[INFO] [stderr]   --> src/lib.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct Scan<I> {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Filter` is never constructed
[INFO] [stderr]   --> src/lib.rs:29:8
[INFO] [stderr]    |
[INFO] [stderr] 29 | struct Filter<OP, P> {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Map` is never constructed
[INFO] [stderr]   --> src/lib.rs:50:8
[INFO] [stderr]    |
[INFO] [stderr] 50 | struct Map<OP, F> {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `FlatMap` is never constructed
[INFO] [stderr]   --> src/lib.rs:69:8
[INFO] [stderr]    |
[INFO] [stderr] 69 | struct FlatMap<OP, F> {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `qcr` (lib) generated 5 warnings
[INFO] [stderr] warning: struct `FlatMap` is never constructed
[INFO] [stderr]   --> src/lib.rs:69:8
[INFO] [stderr]    |
[INFO] [stderr] 69 | struct FlatMap<OP, F> {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `can_dynamic` is never used
[INFO] [stderr]   --> src/lib.rs:94:8
[INFO] [stderr]    |
[INFO] [stderr] 94 |     fn can_dynamic<X>(_op: Box<dyn Op<Record = X>>) {}
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `qcr` (lib test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/qcr-a868a2dc58068856)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test::scan_vec ... ok
[INFO] [stdout] test test::scan_with_map ... ok
[INFO] [stdout] test test::scan_with_filter ... ok
[INFO] [stdout] test test::scan_with_map_and_filter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests qcr
[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" "09fa7ab12db3692e8e21617bd1469daeb46836430c030c2ec8cfb3f2f1ce8ccd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09fa7ab12db3692e8e21617bd1469daeb46836430c030c2ec8cfb3f2f1ce8ccd", kill_on_drop: false }`
[INFO] [stdout] 09fa7ab12db3692e8e21617bd1469daeb46836430c030c2ec8cfb3f2f1ce8ccd