[INFO] cloning repository https://github.com/SnO2WMaN/my-first-rust-practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SnO2WMaN/my-first-rust-practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSnO2WMaN%2Fmy-first-rust-practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSnO2WMaN%2Fmy-first-rust-practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f1100d7feed3f8e1a9b2ffe1480bc12dd8ff19c3
[INFO] checking SnO2WMaN/my-first-rust-practice against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSnO2WMaN%2Fmy-first-rust-practice" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SnO2WMaN/my-first-rust-practice on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SnO2WMaN/my-first-rust-practice
[INFO] finished tweaking git repo https://github.com/SnO2WMaN/my-first-rust-practice
[INFO] tweaked toml for git repo https://github.com/SnO2WMaN/my-first-rust-practice written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/SnO2WMaN/my-first-rust-practice 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" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 65b3811f02347457ab30bf7efe4c2515f7bf33c05d03f0c59df3fddfcf6c8680
[INFO] running `Command { std: "docker" "start" "-a" "65b3811f02347457ab30bf7efe4c2515f7bf33c05d03f0c59df3fddfcf6c8680", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65b3811f02347457ab30bf7efe4c2515f7bf33c05d03f0c59df3fddfcf6c8680", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65b3811f02347457ab30bf7efe4c2515f7bf33c05d03f0c59df3fddfcf6c8680", kill_on_drop: false }`
[INFO] [stdout] 65b3811f02347457ab30bf7efe4c2515f7bf33c05d03f0c59df3fddfcf6c8680
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dfaf9776d0578e051168d0a5c6b4ac984fc080d1e6e72f6d59e1cc33beabd4a5
[INFO] running `Command { std: "docker" "start" "-a" "dfaf9776d0578e051168d0a5c6b4ac984fc080d1e6e72f6d59e1cc33beabd4a5", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Checking regex v0.1.0 (/opt/rustwide/workdir/regex)
[INFO] [stdout] error[E0277]: `ParseError` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> regex/src/engine/parser.rs:26:16
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl Error for ParseError {}
[INFO] [stdout]    |                ^^^^^^^^^^ `ParseError` cannot be formatted with the default formatter
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Display` is not implemented for `ParseError`
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout] note: required by a bound in `std::error::Error`
[INFO] [stdout]   --> /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/core/src/error.rs:32:1
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `ParseError` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> regex/src/engine/parser.rs:26:16
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl Error for ParseError {}
[INFO] [stdout]    |                ^^^^^^^^^^ `ParseError` cannot be formatted with the default formatter
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Display` is not implemented for `ParseError`
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout] note: required by a bound in `std::error::Error`
[INFO] [stdout]   --> /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/core/src/error.rs:32:1
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `regex` (bin "regex") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `regex` (bin "regex" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "dfaf9776d0578e051168d0a5c6b4ac984fc080d1e6e72f6d59e1cc33beabd4a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfaf9776d0578e051168d0a5c6b4ac984fc080d1e6e72f6d59e1cc33beabd4a5", kill_on_drop: false }`
[INFO] [stdout] dfaf9776d0578e051168d0a5c6b4ac984fc080d1e6e72f6d59e1cc33beabd4a5
[INFO] checking SnO2WMaN/my-first-rust-practice against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSnO2WMaN%2Fmy-first-rust-practice" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SnO2WMaN/my-first-rust-practice on toolchain dae34b759e282c069aa28752564694effd121a63
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SnO2WMaN/my-first-rust-practice
[INFO] finished tweaking git repo https://github.com/SnO2WMaN/my-first-rust-practice
[INFO] tweaked toml for git repo https://github.com/SnO2WMaN/my-first-rust-practice written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/SnO2WMaN/my-first-rust-practice 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" "+dae34b759e282c069aa28752564694effd121a63" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c046bdfd89af89e46c943a4e94585ea424ffcc1acdc3b10711a83495cc7672d
[INFO] running `Command { std: "docker" "start" "-a" "4c046bdfd89af89e46c943a4e94585ea424ffcc1acdc3b10711a83495cc7672d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c046bdfd89af89e46c943a4e94585ea424ffcc1acdc3b10711a83495cc7672d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c046bdfd89af89e46c943a4e94585ea424ffcc1acdc3b10711a83495cc7672d", kill_on_drop: false }`
[INFO] [stdout] 4c046bdfd89af89e46c943a4e94585ea424ffcc1acdc3b10711a83495cc7672d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed438ce4e9b21d4398f03972346342e6f9dacc3d25266661ca3eb9dfa99c37af
[INFO] running `Command { std: "docker" "start" "-a" "ed438ce4e9b21d4398f03972346342e6f9dacc3d25266661ca3eb9dfa99c37af", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] no edition found in manifest, probably 2015, skipping
[INFO] running `Command { std: "docker" "inspect" "ed438ce4e9b21d4398f03972346342e6f9dacc3d25266661ca3eb9dfa99c37af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed438ce4e9b21d4398f03972346342e6f9dacc3d25266661ca3eb9dfa99c37af", kill_on_drop: false }`
[INFO] [stdout] ed438ce4e9b21d4398f03972346342e6f9dacc3d25266661ca3eb9dfa99c37af