[INFO] cloning repository https://github.com/aoki/cargo-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aoki/cargo-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faoki%2Fcargo-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faoki%2Fcargo-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6d3761747fe6c327795859103686ce59b8bca33d
[INFO] checking aoki/cargo-example against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faoki%2Fcargo-example" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/aoki/cargo-example
[INFO] finished tweaking git repo https://github.com/aoki/cargo-example
[INFO] tweaked toml for git repo https://github.com/aoki/cargo-example written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/aoki/cargo-example on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/aoki/cargo-example 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 503a017579b336adbf431b9ff32b4416510c1ee2bd243203dcf9966ae921013b
[INFO] running `Command { std: "docker" "start" "-a" "503a017579b336adbf431b9ff32b4416510c1ee2bd243203dcf9966ae921013b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "503a017579b336adbf431b9ff32b4416510c1ee2bd243203dcf9966ae921013b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "503a017579b336adbf431b9ff32b4416510c1ee2bd243203dcf9966ae921013b", kill_on_drop: false }`
[INFO] [stdout] 503a017579b336adbf431b9ff32b4416510c1ee2bd243203dcf9966ae921013b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81f517b8b284535f77b6cc1c6722373cf85948298d81bbb6c284024e1784ef2b
[INFO] running `Command { std: "docker" "start" "-a" "81f517b8b284535f77b6cc1c6722373cf85948298d81bbb6c284024e1784ef2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling syn v1.0.90
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling crossbeam-queue v0.3.5
[INFO] [stderr]    Compiling const_fn v0.4.9
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling vte_generate_state_changes v0.1.1
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]     Checking fuzzy-matcher v0.3.7
[INFO] [stderr]     Checking crossbeam v0.8.1
[INFO] [stderr]     Checking beef v0.5.1
[INFO] [stderr]     Checking vte v0.9.0
[INFO] [stderr]     Checking shlex v0.1.1
[INFO] [stderr]     Checking defer-drop v1.2.0
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking timer v0.2.0
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]     Checking tuikit v0.4.5
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]     Checking skim v0.9.4
[INFO] [stderr]     Checking cargo-ex v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `exec` that must be used
[INFO] [stdout]   --> src/main.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 | /     Command::new("cargo")
[INFO] [stdout] 71 | |         .arg("run")
[INFO] [stdout] 72 | |         .arg("--example")
[INFO] [stdout] 73 | |         .arg(example.strip_suffix(".rs").unwrap())
[INFO] [stdout] 74 | |         .exec();
[INFO] [stdout]    | |_______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let _ = Command::new("cargo")
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `exec` that must be used
[INFO] [stdout]   --> src/main.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 | /     Command::new("cargo")
[INFO] [stdout] 71 | |         .arg("run")
[INFO] [stdout] 72 | |         .arg("--example")
[INFO] [stdout] 73 | |         .arg(example.strip_suffix(".rs").unwrap())
[INFO] [stdout] 74 | |         .exec();
[INFO] [stdout]    | |_______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let _ = Command::new("cargo")
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.25s
[INFO] running `Command { std: "docker" "inspect" "81f517b8b284535f77b6cc1c6722373cf85948298d81bbb6c284024e1784ef2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81f517b8b284535f77b6cc1c6722373cf85948298d81bbb6c284024e1784ef2b", kill_on_drop: false }`
[INFO] [stdout] 81f517b8b284535f77b6cc1c6722373cf85948298d81bbb6c284024e1784ef2b
