[INFO] fetching crate wachit 0.2.2...
[INFO] testing wachit-0.2.2 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate wachit 0.2.2 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate wachit 0.2.2
[INFO] finished tweaking crates.io crate wachit 0.2.2
[INFO] tweaked toml for crates.io crate wachit 0.2.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wachit 0.2.2 on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate wachit 0.2.2 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" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2c98b4b8d74eb25b059d528ac2fd7884014284671d92456c7b92605bbceddb0
[INFO] running `Command { std: "docker" "start" "-a" "e2c98b4b8d74eb25b059d528ac2fd7884014284671d92456c7b92605bbceddb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2c98b4b8d74eb25b059d528ac2fd7884014284671d92456c7b92605bbceddb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2c98b4b8d74eb25b059d528ac2fd7884014284671d92456c7b92605bbceddb0", kill_on_drop: false }`
[INFO] [stdout] e2c98b4b8d74eb25b059d528ac2fd7884014284671d92456c7b92605bbceddb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e044bab2b1eab0e6a53f8ecf69059029385a1a44cc3361b02036c777d972f4e6
[INFO] running `Command { std: "docker" "start" "-a" "e044bab2b1eab0e6a53f8ecf69059029385a1a44cc3361b02036c777d972f4e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling notify-types v2.0.0
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling mio v1.1.0
[INFO] [stderr]    Compiling inotify v0.11.0
[INFO] [stderr]    Compiling notify v8.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling wachit v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/lib.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     use std::collections::HashMap;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ErrorKind`, `Read`, `ops::Index`, and `self`
[INFO] [stdout]   --> src/lib.rs:16:14
[INFO] [stdout]    |
[INFO] [stdout] 16 |         fs::{self, File},
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] 17 |         io::{ErrorKind, Read},
[INFO] [stdout]    |              ^^^^^^^^^  ^^^^
[INFO] [stdout] 18 |         ops::Index,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Map` and `Value`
[INFO] [stdout]   --> src/lib.rs:22:22
[INFO] [stdout]    |
[INFO] [stdout] 22 |     use serde_json::{Map, Value};
[INFO] [stdout]    |                      ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Stdio`
[INFO] [stdout]    --> src/lib.rs:248:35
[INFO] [stdout]     |
[INFO] [stdout] 248 |         process::{Child, Command, Stdio},
[INFO] [stdout]     |                                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `event`
[INFO] [stdout]   --> src/main.rs:86:16
[INFO] [stdout]    |
[INFO] [stdout] 86 |             Ok(event) => {
[INFO] [stdout]    |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_event`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `pid` is never read
[INFO] [stdout]   --> src/main.rs:51:24
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let mut pid: u32 = 0;
[INFO] [stdout]    |                        ^ this value is reassigned later and never used
[INFO] [stdout] 52 |     let child = run_command(&confg);
[INFO] [stdout] 53 |     pid = child.unwrap().id();
[INFO] [stdout]    |     ------------------------- `pid` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.12s
[INFO] running `Command { std: "docker" "inspect" "e044bab2b1eab0e6a53f8ecf69059029385a1a44cc3361b02036c777d972f4e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e044bab2b1eab0e6a53f8ecf69059029385a1a44cc3361b02036c777d972f4e6", kill_on_drop: false }`
[INFO] [stdout] e044bab2b1eab0e6a53f8ecf69059029385a1a44cc3361b02036c777d972f4e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 690bd2b887265eb668cb81374971938a66bf018151f9cac86addb3dfc78216d8
[INFO] running `Command { std: "docker" "start" "-a" "690bd2b887265eb668cb81374971938a66bf018151f9cac86addb3dfc78216d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling wachit v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/lib.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     use std::collections::HashMap;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ErrorKind`, `Read`, `ops::Index`, and `self`
[INFO] [stdout]   --> src/lib.rs:16:14
[INFO] [stdout]    |
[INFO] [stdout] 16 |         fs::{self, File},
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] 17 |         io::{ErrorKind, Read},
[INFO] [stdout]    |              ^^^^^^^^^  ^^^^
[INFO] [stdout] 18 |         ops::Index,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Map` and `Value`
[INFO] [stdout]   --> src/lib.rs:22:22
[INFO] [stdout]    |
[INFO] [stdout] 22 |     use serde_json::{Map, Value};
[INFO] [stdout]    |                      ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Stdio`
[INFO] [stdout]    --> src/lib.rs:248:35
[INFO] [stdout]     |
[INFO] [stdout] 248 |         process::{Child, Command, Stdio},
[INFO] [stdout]     |                                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `event`
[INFO] [stdout]   --> src/main.rs:86:16
[INFO] [stdout]    |
[INFO] [stdout] 86 |             Ok(event) => {
[INFO] [stdout]    |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_event`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `pid` is never read
[INFO] [stdout]   --> src/main.rs:51:24
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let mut pid: u32 = 0;
[INFO] [stdout]    |                        ^ this value is reassigned later and never used
[INFO] [stdout] 52 |     let child = run_command(&confg);
[INFO] [stdout] 53 |     pid = child.unwrap().id();
[INFO] [stdout]    |     ------------------------- `pid` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/lib.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     use std::collections::HashMap;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ErrorKind`, `Read`, `ops::Index`, and `self`
[INFO] [stdout]   --> src/lib.rs:16:14
[INFO] [stdout]    |
[INFO] [stdout] 16 |         fs::{self, File},
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] 17 |         io::{ErrorKind, Read},
[INFO] [stdout]    |              ^^^^^^^^^  ^^^^
[INFO] [stdout] 18 |         ops::Index,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Map` and `Value`
[INFO] [stdout]   --> src/lib.rs:22:22
[INFO] [stdout]    |
[INFO] [stdout] 22 |     use serde_json::{Map, Value};
[INFO] [stdout]    |                      ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Stdio`
[INFO] [stdout]    --> src/lib.rs:248:35
[INFO] [stdout]     |
[INFO] [stdout] 248 |         process::{Child, Command, Stdio},
[INFO] [stdout]     |                                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "690bd2b887265eb668cb81374971938a66bf018151f9cac86addb3dfc78216d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "690bd2b887265eb668cb81374971938a66bf018151f9cac86addb3dfc78216d8", kill_on_drop: false }`
[INFO] [stdout] 690bd2b887265eb668cb81374971938a66bf018151f9cac86addb3dfc78216d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8df66bf4db12c40958926d49090c9bf4467b1f9917becd65c026bef043fbd903
[INFO] running `Command { std: "docker" "start" "-a" "8df66bf4db12c40958926d49090c9bf4467b1f9917becd65c026bef043fbd903", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/lib.rs:2:9
[INFO] [stderr]   |
[INFO] [stderr] 2 |     use std::collections::HashMap;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ErrorKind`, `Read`, `ops::Index`, and `self`
[INFO] [stderr]   --> src/lib.rs:16:14
[INFO] [stderr]    |
[INFO] [stderr] 16 |         fs::{self, File},
[INFO] [stderr]    |              ^^^^
[INFO] [stderr] 17 |         io::{ErrorKind, Read},
[INFO] [stderr]    |              ^^^^^^^^^  ^^^^
[INFO] [stderr] 18 |         ops::Index,
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Map` and `Value`
[INFO] [stderr]   --> src/lib.rs:22:22
[INFO] [stderr]    |
[INFO] [stderr] 22 |     use serde_json::{Map, Value};
[INFO] [stderr]    |                      ^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Stdio`
[INFO] [stderr]    --> src/lib.rs:248:35
[INFO] [stderr]     |
[INFO] [stderr] 248 |         process::{Child, Command, Stdio},
[INFO] [stderr]     |                                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `wachit` (lib) generated 4 warnings (run `cargo fix --lib -p wachit` to apply 4 suggestions)
[INFO] [stderr] warning: unused variable: `event`
[INFO] [stderr]   --> src/main.rs:86:16
[INFO] [stderr]    |
[INFO] [stderr] 86 |             Ok(event) => {
[INFO] [stderr]    |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_event`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `pid` is never read
[INFO] [stderr]   --> src/main.rs:51:24
[INFO] [stderr]    |
[INFO] [stderr] 51 |     let mut pid: u32 = 0;
[INFO] [stderr]    |                        ^ this value is reassigned later and never used
[INFO] [stderr] 52 |     let child = run_command(&confg);
[INFO] [stderr] 53 |     pid = child.unwrap().id();
[INFO] [stderr]    |     ------------------------- `pid` is overwritten here before the previous value is read
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `wachit` (bin "wachit" test) generated 2 warnings (run `cargo fix --bin "wachit" -p wachit --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `wachit` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/wachit-f06537b915ba9cb8)
[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]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/wachit-e4e07313303fe07e)
[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 wachit
[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" "8df66bf4db12c40958926d49090c9bf4467b1f9917becd65c026bef043fbd903", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8df66bf4db12c40958926d49090c9bf4467b1f9917becd65c026bef043fbd903", kill_on_drop: false }`
[INFO] [stdout] 8df66bf4db12c40958926d49090c9bf4467b1f9917becd65c026bef043fbd903
