[INFO] cloning repository https://github.com/yoshuawuyts/repro-or-else
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yoshuawuyts/repro-or-else" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoshuawuyts%2Frepro-or-else", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoshuawuyts%2Frepro-or-else'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c06b2fde1d36cb16093a356beaeb9ec86cc21e85
[INFO] testing yoshuawuyts/repro-or-else against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoshuawuyts%2Frepro-or-else" "/workspace/builds/worker-87/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-87/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yoshuawuyts/repro-or-else on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yoshuawuyts/repro-or-else
[INFO] finished tweaking git repo https://github.com/yoshuawuyts/repro-or-else
[INFO] tweaked toml for git repo https://github.com/yoshuawuyts/repro-or-else written to /workspace/builds/worker-87/source/Cargo.toml
[INFO] crate git repo https://github.com/yoshuawuyts/repro-or-else already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0291452abd7e1cacb035a6fbb1ba65693170e3415765f44e50a9d8b894d5b088
[INFO] running `Command { std: "docker" "start" "-a" "0291452abd7e1cacb035a6fbb1ba65693170e3415765f44e50a9d8b894d5b088", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0291452abd7e1cacb035a6fbb1ba65693170e3415765f44e50a9d8b894d5b088", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0291452abd7e1cacb035a6fbb1ba65693170e3415765f44e50a9d8b894d5b088", kill_on_drop: false }`
[INFO] [stdout] 0291452abd7e1cacb035a6fbb1ba65693170e3415765f44e50a9d8b894d5b088
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ddb6b14de8b6bf357cf66228124166a787af7a94247a0e0ed00b5d1adff9d7d2
[INFO] running `Command { std: "docker" "start" "-a" "ddb6b14de8b6bf357cf66228124166a787af7a94247a0e0ed00b5d1adff9d7d2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling repro-or-else v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:23:34
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn db_get() -> Result<usize, Box<Error>> {
[INFO] [stdout]    |                                  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 23 - fn db_get() -> Result<usize, Box<Error>> {
[INFO] [stdout] 23 + fn db_get() -> Result<usize, Box<dyn Error>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/main.rs:5:46
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let res: Result<usize, Result<usize, Box<Error>>> = cache_get1().ok_or_else(|| db_get());
[INFO] [stdout]   |                                              ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 5 -     let res: Result<usize, Result<usize, Box<Error>>> = cache_get1().ok_or_else(|| db_get());
[INFO] [stdout] 5 +     let res: Result<usize, Result<usize, Box<dyn Error>>> = cache_get1().ok_or_else(|| db_get());
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:10:46
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let res: Result<usize, Result<usize, Box<Error>>> = cache_get2().ok_or_else(|| db_get());
[INFO] [stdout]    |                                              ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 -     let res: Result<usize, Result<usize, Box<Error>>> = cache_get2().ok_or_else(|| db_get());
[INFO] [stdout] 10 +     let res: Result<usize, Result<usize, Box<dyn Error>>> = cache_get2().ok_or_else(|| db_get());
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "ddb6b14de8b6bf357cf66228124166a787af7a94247a0e0ed00b5d1adff9d7d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddb6b14de8b6bf357cf66228124166a787af7a94247a0e0ed00b5d1adff9d7d2", kill_on_drop: false }`
[INFO] [stdout] ddb6b14de8b6bf357cf66228124166a787af7a94247a0e0ed00b5d1adff9d7d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2d5b4089b4ba222e0c77d26e60eb2b7f4d95da9ff12265eb3b9da7310676846
[INFO] running `Command { std: "docker" "start" "-a" "c2d5b4089b4ba222e0c77d26e60eb2b7f4d95da9ff12265eb3b9da7310676846", kill_on_drop: false }`
[INFO] [stderr]    Compiling repro-or-else v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:23:34
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn db_get() -> Result<usize, Box<Error>> {
[INFO] [stdout]    |                                  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 23 - fn db_get() -> Result<usize, Box<Error>> {
[INFO] [stdout] 23 + fn db_get() -> Result<usize, Box<dyn Error>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/main.rs:5:46
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let res: Result<usize, Result<usize, Box<Error>>> = cache_get1().ok_or_else(|| db_get());
[INFO] [stdout]   |                                              ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 5 -     let res: Result<usize, Result<usize, Box<Error>>> = cache_get1().ok_or_else(|| db_get());
[INFO] [stdout] 5 +     let res: Result<usize, Result<usize, Box<dyn Error>>> = cache_get1().ok_or_else(|| db_get());
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:10:46
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let res: Result<usize, Result<usize, Box<Error>>> = cache_get2().ok_or_else(|| db_get());
[INFO] [stdout]    |                                              ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 -     let res: Result<usize, Result<usize, Box<Error>>> = cache_get2().ok_or_else(|| db_get());
[INFO] [stdout] 10 +     let res: Result<usize, Result<usize, Box<dyn Error>>> = cache_get2().ok_or_else(|| db_get());
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "c2d5b4089b4ba222e0c77d26e60eb2b7f4d95da9ff12265eb3b9da7310676846", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2d5b4089b4ba222e0c77d26e60eb2b7f4d95da9ff12265eb3b9da7310676846", kill_on_drop: false }`
[INFO] [stdout] c2d5b4089b4ba222e0c77d26e60eb2b7f4d95da9ff12265eb3b9da7310676846
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1cb557e07514d4fcb035c2b845941e66af38af957a6c7ddc39703233d258fdae
[INFO] running `Command { std: "docker" "start" "-a" "1cb557e07514d4fcb035c2b845941e66af38af957a6c7ddc39703233d258fdae", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:23:34
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn db_get() -> Result<usize, Box<Error>> {
[INFO] [stderr]    |                                  ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 23 - fn db_get() -> Result<usize, Box<Error>> {
[INFO] [stderr] 23 + fn db_get() -> Result<usize, Box<dyn Error>> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/main.rs:5:46
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let res: Result<usize, Result<usize, Box<Error>>> = cache_get1().ok_or_else(|| db_get());
[INFO] [stderr]   |                                              ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 5 -     let res: Result<usize, Result<usize, Box<Error>>> = cache_get1().ok_or_else(|| db_get());
[INFO] [stderr] 5 +     let res: Result<usize, Result<usize, Box<dyn Error>>> = cache_get1().ok_or_else(|| db_get());
[INFO] [stderr]   | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:10:46
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let res: Result<usize, Result<usize, Box<Error>>> = cache_get2().ok_or_else(|| db_get());
[INFO] [stderr]    |                                              ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 10 -     let res: Result<usize, Result<usize, Box<Error>>> = cache_get2().ok_or_else(|| db_get());
[INFO] [stderr] 10 +     let res: Result<usize, Result<usize, Box<dyn Error>>> = cache_get2().ok_or_else(|| db_get());
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `repro-or-else` (bin "repro-or-else" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/repro_or_else-617a6537732c1d98)
[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" "1cb557e07514d4fcb035c2b845941e66af38af957a6c7ddc39703233d258fdae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cb557e07514d4fcb035c2b845941e66af38af957a6c7ddc39703233d258fdae", kill_on_drop: false }`
[INFO] [stdout] 1cb557e07514d4fcb035c2b845941e66af38af957a6c7ddc39703233d258fdae