[INFO] fetching crate sazparser 0.1.1...
[INFO] checking sazparser-0.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate sazparser 0.1.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate sazparser 0.1.1 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sazparser 0.1.1
[INFO] finished tweaking crates.io crate sazparser 0.1.1
[INFO] tweaked toml for crates.io crate sazparser 0.1.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate sazparser 0.1.1 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror-impl v1.0.23
[INFO] [stderr]   Downloaded bzip2 v0.3.3
[INFO] [stderr]   Downloaded thiserror v1.0.23
[INFO] [stderr]   Downloaded zip v0.5.9
[INFO] [stderr]   Downloaded bzip2-sys v0.1.10+1.0.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b30fba193d983cf768f80648de3950566b14ab9af93681a01ecd167e649a4ca
[INFO] running `Command { std: "docker" "start" "-a" "1b30fba193d983cf768f80648de3950566b14ab9af93681a01ecd167e649a4ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b30fba193d983cf768f80648de3950566b14ab9af93681a01ecd167e649a4ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b30fba193d983cf768f80648de3950566b14ab9af93681a01ecd167e649a4ca", kill_on_drop: false }`
[INFO] [stdout] 1b30fba193d983cf768f80648de3950566b14ab9af93681a01ecd167e649a4ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 477102b5a9fd3e508bcd164b041a6d594030b5419876f6279701c6d58c9b4154
[INFO] running `Command { std: "docker" "start" "-a" "477102b5a9fd3e508bcd164b041a6d594030b5419876f6279701c6d58c9b4154", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]    Compiling bzip2-sys v0.1.10+1.0.8
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking zip v0.5.9
[INFO] [stderr]     Checking sazparser v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `size` is never read
[INFO] [stdout]   --> src/lib.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | struct SazFile {
[INFO] [stdout]    |        ------- field in this struct
[INFO] [stdout] 56 |     path: String,
[INFO] [stdout] 57 |     size: u64,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SazFile` has derived impls for the traits `Debug` and `Clone`, but these are 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: field `size` is never read
[INFO] [stdout]   --> src/lib.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | struct SazFile {
[INFO] [stdout]    |        ------- field in this struct
[INFO] [stdout] 56 |     path: String,
[INFO] [stdout] 57 |     size: u64,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SazFile` has derived impls for the traits `Debug` and `Clone`, but these are 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 5.57s
[INFO] running `Command { std: "docker" "inspect" "477102b5a9fd3e508bcd164b041a6d594030b5419876f6279701c6d58c9b4154", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "477102b5a9fd3e508bcd164b041a6d594030b5419876f6279701c6d58c9b4154", kill_on_drop: false }`
[INFO] [stdout] 477102b5a9fd3e508bcd164b041a6d594030b5419876f6279701c6d58c9b4154
[INFO] checking sazparser-0.1.1 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate sazparser 0.1.1 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate sazparser 0.1.1 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sazparser 0.1.1
[INFO] finished tweaking crates.io crate sazparser 0.1.1
[INFO] tweaked toml for crates.io crate sazparser 0.1.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate sazparser 0.1.1 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 868b761bfaf45157d6bf53055f40dd3b84abea7bb79fe72b9785365f19d7bc62
[INFO] running `Command { std: "docker" "start" "-a" "868b761bfaf45157d6bf53055f40dd3b84abea7bb79fe72b9785365f19d7bc62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "868b761bfaf45157d6bf53055f40dd3b84abea7bb79fe72b9785365f19d7bc62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "868b761bfaf45157d6bf53055f40dd3b84abea7bb79fe72b9785365f19d7bc62", kill_on_drop: false }`
[INFO] [stdout] 868b761bfaf45157d6bf53055f40dd3b84abea7bb79fe72b9785365f19d7bc62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ecaee9ec6ce39d490dfa9e62d31a28c8230cbd027d2182fb1d8a4d5345dfc7c
[INFO] running `Command { std: "docker" "start" "-a" "1ecaee9ec6ce39d490dfa9e62d31a28c8230cbd027d2182fb1d8a4d5345dfc7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling bzip2-sys v0.1.10+1.0.8
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking zip v0.5.9
[INFO] [stderr]     Checking sazparser v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `size` is never read
[INFO] [stdout]   --> src/lib.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | struct SazFile {
[INFO] [stdout]    |        ------- field in this struct
[INFO] [stdout] 56 |     path: String,
[INFO] [stdout] 57 |     size: u64,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SazFile` has derived impls for the traits `Debug` and `Clone`, but these are 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: field `size` is never read
[INFO] [stdout]   --> src/lib.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | struct SazFile {
[INFO] [stdout]    |        ------- field in this struct
[INFO] [stdout] 56 |     path: String,
[INFO] [stdout] 57 |     size: u64,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SazFile` has derived impls for the traits `Debug` and `Clone`, but these are 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 5.84s
[INFO] running `Command { std: "docker" "inspect" "1ecaee9ec6ce39d490dfa9e62d31a28c8230cbd027d2182fb1d8a4d5345dfc7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ecaee9ec6ce39d490dfa9e62d31a28c8230cbd027d2182fb1d8a4d5345dfc7c", kill_on_drop: false }`
[INFO] [stdout] 1ecaee9ec6ce39d490dfa9e62d31a28c8230cbd027d2182fb1d8a4d5345dfc7c