[INFO] cloning repository https://github.com/asmuth/fhistory
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/asmuth/fhistory" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasmuth%2Ffhistory", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasmuth%2Ffhistory'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0d8df6c774f27566c3488bc292f5b2baec19106e
[INFO] testing asmuth/fhistory against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasmuth%2Ffhistory" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/asmuth/fhistory on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/asmuth/fhistory
[INFO] finished tweaking git repo https://github.com/asmuth/fhistory
[INFO] tweaked toml for git repo https://github.com/asmuth/fhistory written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/asmuth/fhistory already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", 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] a6f42422b67392bf9264e326180022f3155f1f2f0cb9b2eecd8df51272611169
[INFO] running `Command { std: "docker" "start" "-a" "a6f42422b67392bf9264e326180022f3155f1f2f0cb9b2eecd8df51272611169", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6f42422b67392bf9264e326180022f3155f1f2f0cb9b2eecd8df51272611169", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6f42422b67392bf9264e326180022f3155f1f2f0cb9b2eecd8df51272611169", kill_on_drop: false }`
[INFO] [stdout] a6f42422b67392bf9264e326180022f3155f1f2f0cb9b2eecd8df51272611169
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2734f3344afe7a802fb42c5b2877fbcff698fa369798ad67b637dbf55bd795de
[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" "2734f3344afe7a802fb42c5b2877fbcff698fa369798ad67b637dbf55bd795de", kill_on_drop: false }`
[INFO] [stderr]    Compiling same-file v1.0.2
[INFO] [stderr]    Compiling deflate v0.7.18
[INFO] [stderr]    Compiling inflate v0.4.0
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling walkdir v2.1.4
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]    Compiling integritycheck v0.8.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]   --> src/op_index.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::fs;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data_path_abs`
[INFO] [stdout]   --> src/op_acknowledge.rs:59:7
[INFO] [stdout]    |
[INFO] [stdout] 59 |   let data_path_abs = match fs::canonicalize(&data_path) {
[INFO] [stdout]    |       ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_data_path_abs`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `list_files`
[INFO] [stdout]    --> src/index_diff.rs:112:8
[INFO] [stdout]     |
[INFO] [stdout] 112 | pub fn list_files(diffs: &IndexDiffList) -> Vec<PathBuf> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/op_index.rs:76:3
[INFO] [stdout]    |
[INFO] [stdout] 76 |   io::stdout().write(snapshot.unparse().as_bytes());
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/prompt.rs:93:3
[INFO] [stdout]    |
[INFO] [stdout] 93 | /   writeln!(
[INFO] [stdout] 94 | |       &mut std::io::stderr(),
[INFO] [stdout] 95 | |       "Total Size: {} ({} files)",
[INFO] [stdout] 96 | |       format_bytecount(snap.total_size_bytes()),
[INFO] [stdout] 97 | |       snap.total_file_count());
[INFO] [stdout]    | |_______________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.11s
[INFO] running `Command { std: "docker" "inspect" "2734f3344afe7a802fb42c5b2877fbcff698fa369798ad67b637dbf55bd795de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2734f3344afe7a802fb42c5b2877fbcff698fa369798ad67b637dbf55bd795de", kill_on_drop: false }`
[INFO] [stdout] 2734f3344afe7a802fb42c5b2877fbcff698fa369798ad67b637dbf55bd795de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30928ddc1cd7f2eb4fbdce99facd42f183c5cfa322ed8c1ade4887eda763b98d
[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" "30928ddc1cd7f2eb4fbdce99facd42f183c5cfa322ed8c1ade4887eda763b98d", 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] [stderr]    Compiling integritycheck v0.8.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]   --> src/op_index.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::fs;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data_path_abs`
[INFO] [stdout]   --> src/op_acknowledge.rs:59:7
[INFO] [stdout]    |
[INFO] [stdout] 59 |   let data_path_abs = match fs::canonicalize(&data_path) {
[INFO] [stdout]    |       ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_data_path_abs`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `list_files`
[INFO] [stdout]    --> src/index_diff.rs:112:8
[INFO] [stdout]     |
[INFO] [stdout] 112 | pub fn list_files(diffs: &IndexDiffList) -> Vec<PathBuf> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/op_index.rs:76:3
[INFO] [stdout]    |
[INFO] [stdout] 76 |   io::stdout().write(snapshot.unparse().as_bytes());
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/prompt.rs:93:3
[INFO] [stdout]    |
[INFO] [stdout] 93 | /   writeln!(
[INFO] [stdout] 94 | |       &mut std::io::stderr(),
[INFO] [stdout] 95 | |       "Total Size: {} ({} files)",
[INFO] [stdout] 96 | |       format_bytecount(snap.total_size_bytes()),
[INFO] [stdout] 97 | |       snap.total_file_count());
[INFO] [stdout]    | |_______________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.98s
[INFO] running `Command { std: "docker" "inspect" "30928ddc1cd7f2eb4fbdce99facd42f183c5cfa322ed8c1ade4887eda763b98d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30928ddc1cd7f2eb4fbdce99facd42f183c5cfa322ed8c1ade4887eda763b98d", kill_on_drop: false }`
[INFO] [stdout] 30928ddc1cd7f2eb4fbdce99facd42f183c5cfa322ed8c1ade4887eda763b98d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a0bebcee11270f10ee52a5187ce2ec518c7e85d10d38edebd5f3cddfa905cb88
[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" "a0bebcee11270f10ee52a5187ce2ec518c7e85d10d38edebd5f3cddfa905cb88", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]   --> src/op_index.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::fs;
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data_path_abs`
[INFO] [stderr]   --> src/op_acknowledge.rs:59:7
[INFO] [stderr]    |
[INFO] [stderr] 59 |   let data_path_abs = match fs::canonicalize(&data_path) {
[INFO] [stderr]    |       ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_data_path_abs`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `list_files`
[INFO] [stderr]    --> src/index_diff.rs:112:8
[INFO] [stderr]     |
[INFO] [stderr] 112 | pub fn list_files(diffs: &IndexDiffList) -> Vec<PathBuf> {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/op_index.rs:76:3
[INFO] [stderr]    |
[INFO] [stderr] 76 |   io::stdout().write(snapshot.unparse().as_bytes());
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/prompt.rs:93:3
[INFO] [stderr]    |
[INFO] [stderr] 93 | /   writeln!(
[INFO] [stderr] 94 | |       &mut std::io::stderr(),
[INFO] [stderr] 95 | |       "Total Size: {} ({} files)",
[INFO] [stderr] 96 | |       format_bytecount(snap.total_size_bytes()),
[INFO] [stderr] 97 | |       snap.total_file_count());
[INFO] [stderr]    | |_______________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/integritycheck-5c7a1a8d755c507f
[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" "a0bebcee11270f10ee52a5187ce2ec518c7e85d10d38edebd5f3cddfa905cb88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0bebcee11270f10ee52a5187ce2ec518c7e85d10d38edebd5f3cddfa905cb88", kill_on_drop: false }`
[INFO] [stdout] a0bebcee11270f10ee52a5187ce2ec518c7e85d10d38edebd5f3cddfa905cb88
