[INFO] cloning repository https://github.com/billythedummy/transactions
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/billythedummy/transactions" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbillythedummy%2Ftransactions", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbillythedummy%2Ftransactions'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d44a640cda63466490d7822863f5110f1a3d1953
[INFO] checking billythedummy/transactions against master#64b185eddaa1d7ddf5e0c024be23b9cbba6c1722 for pr-143929
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbillythedummy%2Ftransactions" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/billythedummy/transactions
[INFO] finished tweaking git repo https://github.com/billythedummy/transactions
[INFO] tweaked toml for git repo https://github.com/billythedummy/transactions written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/billythedummy/transactions on toolchain 64b185eddaa1d7ddf5e0c024be23b9cbba6c1722
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+64b185eddaa1d7ddf5e0c024be23b9cbba6c1722" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/billythedummy/transactions 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" "+64b185eddaa1d7ddf5e0c024be23b9cbba6c1722" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded predicates v2.0.0
[INFO] [stderr]   Downloaded assert_cmd v1.0.7
[INFO] [stderr]   Downloaded predicates-tree v1.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+64b185eddaa1d7ddf5e0c024be23b9cbba6c1722" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2eecaca533a89de3298986a4fe1117f7d9dc885001f2a1fda7ff68431d76850b
[INFO] running `Command { std: "docker" "start" "-a" "2eecaca533a89de3298986a4fe1117f7d9dc885001f2a1fda7ff68431d76850b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2eecaca533a89de3298986a4fe1117f7d9dc885001f2a1fda7ff68431d76850b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2eecaca533a89de3298986a4fe1117f7d9dc885001f2a1fda7ff68431d76850b", kill_on_drop: false }`
[INFO] [stdout] 2eecaca533a89de3298986a4fe1117f7d9dc885001f2a1fda7ff68431d76850b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+64b185eddaa1d7ddf5e0c024be23b9cbba6c1722" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89b7b80205d4836aac0856d2fae99de9657b5150e65f4007ad65977280d37949
[INFO] running `Command { std: "docker" "start" "-a" "89b7b80205d4836aac0856d2fae99de9657b5150e65f4007ad65977280d37949", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking predicates-core v1.0.2
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking predicates-tree v1.0.2
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking predicates v2.0.0
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking assert_cmd v1.0.7
[INFO] [stderr]     Checking transactions v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/transaction/mod.rs:15:3
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[serde(rename_all = "lowercase")]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 16 | #[derive(Deserialize, PartialEq, Debug, Copy, Clone)]
[INFO] [stdout]    |          ----------- the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout]    = note: `#[warn(legacy_derive_helpers)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/transaction/mod.rs:15:3
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[serde(rename_all = "lowercase")]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 16 | #[derive(Deserialize, PartialEq, Debug, Copy, Clone)]
[INFO] [stdout]    |          ----------- the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout]    = note: `#[warn(legacy_derive_helpers)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.58s
[INFO] running `Command { std: "docker" "inspect" "89b7b80205d4836aac0856d2fae99de9657b5150e65f4007ad65977280d37949", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89b7b80205d4836aac0856d2fae99de9657b5150e65f4007ad65977280d37949", kill_on_drop: false }`
[INFO] [stdout] 89b7b80205d4836aac0856d2fae99de9657b5150e65f4007ad65977280d37949