[INFO] cloning repository https://github.com/anxiousmodernman/sled-dump
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/anxiousmodernman/sled-dump" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanxiousmodernman%2Fsled-dump", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanxiousmodernman%2Fsled-dump'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7fc31ed9de3b62ceff14b3d68e70b8bf79d9d97f
[INFO] testing anxiousmodernman/sled-dump against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanxiousmodernman%2Fsled-dump" "/workspace/builds/worker-16/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-16/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/anxiousmodernman/sled-dump on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/anxiousmodernman/sled-dump
[INFO] finished tweaking git repo https://github.com/anxiousmodernman/sled-dump
[INFO] tweaked toml for git repo https://github.com/anxiousmodernman/sled-dump written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] crate git repo https://github.com/anxiousmodernman/sled-dump already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53dbe7008e0b75f4de21c4a07647f45d5b2272a7a5c7a69565b38d7cce9ea859
[INFO] running `Command { std: "docker" "start" "-a" "53dbe7008e0b75f4de21c4a07647f45d5b2272a7a5c7a69565b38d7cce9ea859", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53dbe7008e0b75f4de21c4a07647f45d5b2272a7a5c7a69565b38d7cce9ea859", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53dbe7008e0b75f4de21c4a07647f45d5b2272a7a5c7a69565b38d7cce9ea859", kill_on_drop: false }`
[INFO] [stdout] 53dbe7008e0b75f4de21c4a07647f45d5b2272a7a5c7a69565b38d7cce9ea859
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05ddf71df18b502e399c26eb39ae20b5f789436ede346cbce5e7c234066ff861
[INFO] running `Command { std: "docker" "start" "-a" "05ddf71df18b502e399c26eb39ae20b5f789436ede346cbce5e7c234066ff861", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling libc v0.2.49
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling serde v1.0.88
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling either v1.5.1
[INFO] [stderr]    Compiling futures v0.1.25
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling bincode v1.1.2
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling sled_sync v0.3.0
[INFO] [stderr]    Compiling sled_sync v0.2.2
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling historian v3.0.11
[INFO] [stderr]    Compiling pagetable v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.88
[INFO] [stderr]    Compiling hashbrown v0.1.8
[INFO] [stderr]    Compiling pagecache v0.10.2
[INFO] [stderr]    Compiling sled v0.18.1
[INFO] [stderr]    Compiling sled-dump v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::path`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::path;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut args: Vec<String> = env::args().skip(1).collect();
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let mut config = sled::ConfigBuilder::new().path(&args[0]);
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut tree = sled::Db::start(config.build()).expect("could not open database");
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.25s
[INFO] running `Command { std: "docker" "inspect" "05ddf71df18b502e399c26eb39ae20b5f789436ede346cbce5e7c234066ff861", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05ddf71df18b502e399c26eb39ae20b5f789436ede346cbce5e7c234066ff861", kill_on_drop: false }`
[INFO] [stdout] 05ddf71df18b502e399c26eb39ae20b5f789436ede346cbce5e7c234066ff861
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f474a534dacc564b65aa9aa422fc05704a7fcaa2d503284ed10e5bebacfaf3f3
[INFO] running `Command { std: "docker" "start" "-a" "f474a534dacc564b65aa9aa422fc05704a7fcaa2d503284ed10e5bebacfaf3f3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling sled-dump v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::path`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::path;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut args: Vec<String> = env::args().skip(1).collect();
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let mut config = sled::ConfigBuilder::new().path(&args[0]);
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut tree = sled::Db::start(config.build()).expect("could not open database");
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3m 42s
[INFO] running `Command { std: "docker" "inspect" "f474a534dacc564b65aa9aa422fc05704a7fcaa2d503284ed10e5bebacfaf3f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f474a534dacc564b65aa9aa422fc05704a7fcaa2d503284ed10e5bebacfaf3f3", kill_on_drop: false }`
[INFO] [stdout] f474a534dacc564b65aa9aa422fc05704a7fcaa2d503284ed10e5bebacfaf3f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cc6a71f323c34a1f9d64005d21cab35c499373c07a3f99429c0e66e8e1cd7ff2
[INFO] running `Command { std: "docker" "start" "-a" "cc6a71f323c34a1f9d64005d21cab35c499373c07a3f99429c0e66e8e1cd7ff2", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::path`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::path;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::Write;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let mut args: Vec<String> = env::args().skip(1).collect();
[INFO] [stderr]    |         ----^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let mut config = sled::ConfigBuilder::new().path(&args[0]);
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let mut tree = sled::Db::start(config.build()).expect("could not open database");
[INFO] [stderr]    |         ----^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `sled-dump` (bin "sled-dump" test) generated 6 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sled_dump-e93dad8ef75e2ff5)
[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" "cc6a71f323c34a1f9d64005d21cab35c499373c07a3f99429c0e66e8e1cd7ff2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc6a71f323c34a1f9d64005d21cab35c499373c07a3f99429c0e66e8e1cd7ff2", kill_on_drop: false }`
[INFO] [stdout] cc6a71f323c34a1f9d64005d21cab35c499373c07a3f99429c0e66e8e1cd7ff2