[INFO] fetching crate artcode 1.3.1...
[INFO] checking artcode-1.3.1 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate artcode 1.3.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate artcode 1.3.1 on toolchain 80399064afa4a2cd153f30d02c25f7ea0383ed65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate artcode 1.3.1
[INFO] finished tweaking crates.io crate artcode 1.3.1
[INFO] tweaked toml for crates.io crate artcode 1.3.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate artcode 1.3.1 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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cargo-release v0.13.4
[INFO] [stderr]   Downloaded unreachable v1.0.0
[INFO] [stderr]   Downloaded linked-hash-map v0.5.3
[INFO] [stderr]   Downloaded quote v1.0.5
[INFO] [stderr]   Downloaded ascii v0.9.3
[INFO] [stderr]   Downloaded toml_edit v0.1.5
[INFO] [stderr]   Downloaded boolinator v2.4.0
[INFO] [stderr]   Downloaded cargo_metadata v0.9.1
[INFO] [stderr]   Downloaded doc-comment v0.3.3
[INFO] [stderr]   Downloaded openssl-sys v0.9.56
[INFO] [stderr]   Downloaded cc v1.0.53
[INFO] [stderr]   Downloaded addr2line v0.12.0
[INFO] [stderr]   Downloaded unicode-normalization v0.1.12
[INFO] [stderr]   Downloaded git2 v0.11.0
[INFO] [stderr]   Downloaded difference v2.0.0
[INFO] [stderr]   Downloaded libssh2-sys v0.2.17
[INFO] [stderr]   Downloaded libz-sys v1.0.25
[INFO] [stderr]   Downloaded syn v1.0.22
[INFO] [stderr]   Downloaded ignore v0.4.15
[INFO] [stderr]   Downloaded proc-macro2 v1.0.13
[INFO] [stderr]   Downloaded clap-cargo v0.3.1
[INFO] [stderr]   Downloaded libgit2-sys v0.10.0
[INFO] [stderr]   Downloaded error-chain v0.12.2
[INFO] [stderr]   Downloaded openssl-probe v0.1.2
[INFO] [stderr]   Downloaded jobserver v0.1.21
[INFO] [stderr]   Downloaded pkg-config v0.3.17
[INFO] [stderr]   Downloaded vcpkg v0.2.8
[INFO] [stderr]   Downloaded smallvec v1.4.0
[INFO] [stderr]   Downloaded home v0.5.3
[INFO] [stderr]   Downloaded crates-index v0.13.4
[INFO] [stderr]   Downloaded globset v0.4.5
[INFO] [stderr]   Downloaded once_cell v1.4.0
[INFO] [stderr]   Downloaded semver-parser v0.9.0
[INFO] [stderr]   Downloaded combine v3.8.1
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dfbb2a5ebc671c49dec4a7fd630bca4b5998315160b83d08472715ea09b20d88
[INFO] running `Command { std: "docker" "start" "-a" "dfbb2a5ebc671c49dec4a7fd630bca4b5998315160b83d08472715ea09b20d88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfbb2a5ebc671c49dec4a7fd630bca4b5998315160b83d08472715ea09b20d88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfbb2a5ebc671c49dec4a7fd630bca4b5998315160b83d08472715ea09b20d88", kill_on_drop: false }`
[INFO] [stdout] dfbb2a5ebc671c49dec4a7fd630bca4b5998315160b83d08472715ea09b20d88
[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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b51b42a72b5d44abfbb4cd32610f5cf58ca0c7dc715f2fb3663fd75c11a5c646
[INFO] running `Command { std: "docker" "start" "-a" "b51b42a72b5d44abfbb4cd32610f5cf58ca0c7dc715f2fb3663fd75c11a5c646", kill_on_drop: false }`
[INFO] [stderr] warning: artcode v1.3.1 (/opt/rustwide/workdir) ignoring invalid dependency `cargo-release` which is missing a lib target
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking artcode v1.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `day` is never read
[INFO] [stdout]   --> src/lib.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct BatDate {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 21 |     year: i32,
[INFO] [stdout] 22 |     day: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BatDate` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `day` is never read
[INFO] [stdout]   --> src/lib.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct BatDate {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 21 |     year: i32,
[INFO] [stdout] 22 |     day: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BatDate` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.46s
[INFO] running `Command { std: "docker" "inspect" "b51b42a72b5d44abfbb4cd32610f5cf58ca0c7dc715f2fb3663fd75c11a5c646", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b51b42a72b5d44abfbb4cd32610f5cf58ca0c7dc715f2fb3663fd75c11a5c646", kill_on_drop: false }`
[INFO] [stdout] b51b42a72b5d44abfbb4cd32610f5cf58ca0c7dc715f2fb3663fd75c11a5c646
[INFO] checking artcode-1.3.1 against master#09bc67b9158392361780e779d32997f14cc75c39 for opaque-soundness-fix
[INFO] extracting crate artcode 1.3.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate artcode 1.3.1 on toolchain 09bc67b9158392361780e779d32997f14cc75c39
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate artcode 1.3.1
[INFO] finished tweaking crates.io crate artcode 1.3.1
[INFO] tweaked toml for crates.io crate artcode 1.3.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate artcode 1.3.1 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" "+09bc67b9158392361780e779d32997f14cc75c39" "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-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c507e177af8621d34d4b1381dc2e8695c98e33ca5ce2074c01be2aec5b69ac1
[INFO] running `Command { std: "docker" "start" "-a" "0c507e177af8621d34d4b1381dc2e8695c98e33ca5ce2074c01be2aec5b69ac1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c507e177af8621d34d4b1381dc2e8695c98e33ca5ce2074c01be2aec5b69ac1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c507e177af8621d34d4b1381dc2e8695c98e33ca5ce2074c01be2aec5b69ac1", kill_on_drop: false }`
[INFO] [stdout] 0c507e177af8621d34d4b1381dc2e8695c98e33ca5ce2074c01be2aec5b69ac1
[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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74f6ca54d09bc8aafdf903487a2e9b0a62bf3546fe51fe4289711a7baf3944b8
[INFO] running `Command { std: "docker" "start" "-a" "74f6ca54d09bc8aafdf903487a2e9b0a62bf3546fe51fe4289711a7baf3944b8", kill_on_drop: false }`
[INFO] [stderr] warning: artcode v1.3.1 (/opt/rustwide/workdir) ignoring invalid dependency `cargo-release` which is missing a lib target
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking ansi_term v0.11.0
[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 num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking artcode v1.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `day` is never read
[INFO] [stdout]   --> src/lib.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct BatDate {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 21 |     year: i32,
[INFO] [stdout] 22 |     day: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BatDate` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `day` is never read
[INFO] [stdout]   --> src/lib.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct BatDate {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 21 |     year: i32,
[INFO] [stdout] 22 |     day: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BatDate` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.54s
[INFO] running `Command { std: "docker" "inspect" "74f6ca54d09bc8aafdf903487a2e9b0a62bf3546fe51fe4289711a7baf3944b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74f6ca54d09bc8aafdf903487a2e9b0a62bf3546fe51fe4289711a7baf3944b8", kill_on_drop: false }`
[INFO] [stdout] 74f6ca54d09bc8aafdf903487a2e9b0a62bf3546fe51fe4289711a7baf3944b8
