[INFO] cloning repository https://github.com/ianakotey/grade_gen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ianakotey/grade_gen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fianakotey%2Fgrade_gen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fianakotey%2Fgrade_gen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] de49c2bc8724de91f97a4b1f4bd00e610e15345f
[INFO] checking ianakotey/grade_gen against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fianakotey%2Fgrade_gen" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ianakotey/grade_gen on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ianakotey/grade_gen
[INFO] finished tweaking git repo https://github.com/ianakotey/grade_gen
[INFO] tweaked toml for git repo https://github.com/ianakotey/grade_gen written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 72 packages to latest compatible versions
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
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[INFO] [stderr]   Downloaded office v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b226ed695514d4af8cdb3ea282ee87b6f7862adf1f506e3f4a735dcf90f99255
[INFO] running `Command { std: "docker" "start" "-a" "b226ed695514d4af8cdb3ea282ee87b6f7862adf1f506e3f4a735dcf90f99255", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b226ed695514d4af8cdb3ea282ee87b6f7862adf1f506e3f4a735dcf90f99255", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b226ed695514d4af8cdb3ea282ee87b6f7862adf1f506e3f4a735dcf90f99255", kill_on_drop: false }`
[INFO] [stdout] b226ed695514d4af8cdb3ea282ee87b6f7862adf1f506e3f4a735dcf90f99255
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93fb727b25511da4054418a2b9d4633ac217fc624c91a3c8430f1596b09ec040
[INFO] running `Command { std: "docker" "start" "-a" "93fb727b25511da4054418a2b9d4633ac217fc624c91a3c8430f1596b09ec040", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling backtrace v0.2.3
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[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling cc v1.1.15
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking flate2 v1.0.33
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking regex-syntax v0.8.4
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[INFO] [stderr]    Compiling syn v2.0.77
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[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking byteorder v0.5.3
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[INFO] [stderr]     Checking argparse v0.2.2
[INFO] [stderr]     Checking zip v0.2.8
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]     Checking regex-automata v0.4.7
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[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]     Checking snafu v0.7.5
[INFO] [stderr]     Checking canvas2camu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `FileEmptyError` is never constructed
[INFO] [stdout]   --> src/enrollment.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub enum EnrollmentError {
[INFO] [stdout]    |          --------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 20 |     FileEmptyError,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EnrollmentError` 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: variant `FileEmptyError` is never constructed
[INFO] [stdout]   --> src/enrollment.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub enum EnrollmentError {
[INFO] [stdout]    |          --------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 20 |     FileEmptyError,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EnrollmentError` 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.67s
[INFO] running `Command { std: "docker" "inspect" "93fb727b25511da4054418a2b9d4633ac217fc624c91a3c8430f1596b09ec040", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93fb727b25511da4054418a2b9d4633ac217fc624c91a3c8430f1596b09ec040", kill_on_drop: false }`
[INFO] [stdout] 93fb727b25511da4054418a2b9d4633ac217fc624c91a3c8430f1596b09ec040
[INFO] checking ianakotey/grade_gen against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fianakotey%2Fgrade_gen" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ianakotey/grade_gen on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ianakotey/grade_gen
[INFO] finished tweaking git repo https://github.com/ianakotey/grade_gen
[INFO] tweaked toml for git repo https://github.com/ianakotey/grade_gen written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 72 packages to latest compatible versions
[INFO] [stderr]       Adding backtrace v0.2.3 (latest: v0.3.73)
[INFO] [stderr]       Adding byteorder v0.5.3 (latest: v1.5.0)
[INFO] [stderr]       Adding cfg-if v0.1.10 (latest: v1.0.0)
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c4bdbe319c1e6924ee9d24470ae2a39b5f668f240e393c7565eccca40931e14
[INFO] running `Command { std: "docker" "start" "-a" "1c4bdbe319c1e6924ee9d24470ae2a39b5f668f240e393c7565eccca40931e14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c4bdbe319c1e6924ee9d24470ae2a39b5f668f240e393c7565eccca40931e14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c4bdbe319c1e6924ee9d24470ae2a39b5f668f240e393c7565eccca40931e14", kill_on_drop: false }`
[INFO] [stdout] 1c4bdbe319c1e6924ee9d24470ae2a39b5f668f240e393c7565eccca40931e14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a095bf282cc4eba64fabfe33d8877c1668315a9fb21e21c821c22384ed96341c
[INFO] running `Command { std: "docker" "start" "-a" "a095bf282cc4eba64fabfe33d8877c1668315a9fb21e21c821c22384ed96341c", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]    Compiling cc v1.1.15
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking flate2 v1.0.33
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking podio v0.1.7
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking quick-xml v0.4.2
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking argparse v0.2.2
[INFO] [stderr]     Checking msdos_time v0.1.6
[INFO] [stderr]     Checking zip v0.2.8
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking thiserror v1.0.63
[INFO] [stderr]     Checking zip v0.5.13
[INFO] [stderr]     Checking error-chain v0.5.0
[INFO] [stderr]     Checking office v0.8.1
[INFO] [stderr]     Checking simple_excel_writer v0.2.0
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]    Compiling snafu-derive v0.7.5
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]     Checking snafu v0.7.5
[INFO] [stderr]     Checking canvas2camu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `FileEmptyError` is never constructed
[INFO] [stdout]   --> src/enrollment.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub enum EnrollmentError {
[INFO] [stdout]    |          --------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 20 |     FileEmptyError,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EnrollmentError` 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: variant `FileEmptyError` is never constructed
[INFO] [stdout]   --> src/enrollment.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub enum EnrollmentError {
[INFO] [stdout]    |          --------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 20 |     FileEmptyError,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EnrollmentError` 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 11.38s
[INFO] running `Command { std: "docker" "inspect" "a095bf282cc4eba64fabfe33d8877c1668315a9fb21e21c821c22384ed96341c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a095bf282cc4eba64fabfe33d8877c1668315a9fb21e21c821c22384ed96341c", kill_on_drop: false }`
[INFO] [stdout] a095bf282cc4eba64fabfe33d8877c1668315a9fb21e21c821c22384ed96341c