[INFO] fetching crate recursum 0.4.0...
[INFO] checking recursum-0.4.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate recursum 0.4.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate recursum 0.4.0 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 recursum 0.4.0
[INFO] finished tweaking crates.io crate recursum 0.4.0
[INFO] tweaked toml for crates.io crate recursum 0.4.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate recursum 0.4.0 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded jwalk v0.5.1
[INFO] [stderr]   Downloaded generic-array v0.14.3
[INFO] [stderr]   Downloaded boolinator v2.4.0
[INFO] [stderr]   Downloaded hex v0.4.2
[INFO] [stderr]   Downloaded memoffset v0.5.5
[INFO] [stderr]   Downloaded jobserver v0.1.21
[INFO] [stderr]   Downloaded cargo_metadata v0.9.1
[INFO] [stderr]   Downloaded cc v1.0.58
[INFO] [stderr]   Downloaded toml_edit v0.1.5
[INFO] [stderr]   Downloaded git2 v0.11.0
[INFO] [stderr]   Downloaded rayon v1.3.1
[INFO] [stderr]   Downloaded libssh2-sys v0.2.18
[INFO] [stderr]   Downloaded libz-sys v1.0.25
[INFO] [stderr]   Downloaded meowhash v0.3.0
[INFO] [stderr]   Downloaded libc v0.2.73
[INFO] [stderr]   Downloaded syn v1.0.35
[INFO] [stderr]   Downloaded libgit2-sys v0.10.0
[INFO] [stderr]   Downloaded tokio v0.2.22
[INFO] [stderr]   Downloaded cargo-release v0.13.5
[INFO] [stderr]   Downloaded crossbeam-channel v0.4.3
[INFO] [stderr]   Downloaded clap-cargo v0.3.1
[INFO] [stderr]   Downloaded error-chain v0.12.2
[INFO] [stderr]   Downloaded pkg-config v0.3.18
[INFO] [stderr]   Downloaded rust-argon2 v0.7.0
[INFO] [stderr]   Downloaded dirs-sys v0.3.5
[INFO] [stderr]   Downloaded semver-parser v0.9.0
[INFO] [stderr]   Downloaded terminal_size v0.1.13
[INFO] [stderr]   Downloaded termios v0.3.2
[INFO] [stderr]   Downloaded console v0.11.3
[INFO] [stderr]   Downloaded crossbeam v0.7.3
[INFO] [stderr]   Downloaded rayon-core v1.7.1
[INFO] [stderr]   Downloaded crates-index v0.13.4
[INFO] [stderr]   Downloaded blake2b_simd v0.5.10
[INFO] [stderr]   Downloaded redox_users v0.3.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 5a2cee960a2772404b7528bb2a2aa0a04d75117cd41c613785ada92a9a3ca2d9
[INFO] running `Command { std: "docker" "start" "-a" "5a2cee960a2772404b7528bb2a2aa0a04d75117cd41c613785ada92a9a3ca2d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a2cee960a2772404b7528bb2a2aa0a04d75117cd41c613785ada92a9a3ca2d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a2cee960a2772404b7528bb2a2aa0a04d75117cd41c613785ada92a9a3ca2d9", kill_on_drop: false }`
[INFO] [stdout] 5a2cee960a2772404b7528bb2a2aa0a04d75117cd41c613785ada92a9a3ca2d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 4ce6ff296740af98da93ce5901918b731e4b4edd940e8ca9e58fc4c76316be13
[INFO] running `Command { std: "docker" "start" "-a" "4ce6ff296740af98da93ce5901918b731e4b4edd940e8ca9e58fc4c76316be13", kill_on_drop: false }`
[INFO] [stderr] warning: recursum v0.4.0 (/opt/rustwide/workdir) ignoring invalid dependency `cargo-release` which is missing a lib target
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking crossbeam-channel v0.4.3
[INFO] [stderr]    Compiling meowhash v0.3.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.3
[INFO] [stderr]    Compiling generic-array v0.14.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.3
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking console v0.11.3
[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]     Checking jwalk v0.5.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]     Checking structopt v0.3.15
[INFO] [stderr]     Checking recursum v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.09s
[INFO] running `Command { std: "docker" "inspect" "4ce6ff296740af98da93ce5901918b731e4b4edd940e8ca9e58fc4c76316be13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ce6ff296740af98da93ce5901918b731e4b4edd940e8ca9e58fc4c76316be13", kill_on_drop: false }`
[INFO] [stdout] 4ce6ff296740af98da93ce5901918b731e4b4edd940e8ca9e58fc4c76316be13
[INFO] checking recursum-0.4.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate recursum 0.4.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate recursum 0.4.0 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate recursum 0.4.0
[INFO] finished tweaking crates.io crate recursum 0.4.0
[INFO] tweaked toml for crates.io crate recursum 0.4.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate recursum 0.4.0 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 885409bce4b3e2943b306d65d97678631bf6561d3dcd01425e60ba7c8ddeb50c
[INFO] running `Command { std: "docker" "start" "-a" "885409bce4b3e2943b306d65d97678631bf6561d3dcd01425e60ba7c8ddeb50c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "885409bce4b3e2943b306d65d97678631bf6561d3dcd01425e60ba7c8ddeb50c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "885409bce4b3e2943b306d65d97678631bf6561d3dcd01425e60ba7c8ddeb50c", kill_on_drop: false }`
[INFO] [stdout] 885409bce4b3e2943b306d65d97678631bf6561d3dcd01425e60ba7c8ddeb50c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 196ccc4a1e5da4d1baed74279cb355bcf975c640a426b4562689e8b594563d34
[INFO] running `Command { std: "docker" "start" "-a" "196ccc4a1e5da4d1baed74279cb355bcf975c640a426b4562689e8b594563d34", kill_on_drop: false }`
[INFO] [stderr] warning: recursum v0.4.0 (/opt/rustwide/workdir) ignoring invalid dependency `cargo-release` which is missing a lib target
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking crossbeam-channel v0.4.3
[INFO] [stderr]    Compiling meowhash v0.3.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.3
[INFO] [stderr]    Compiling generic-array v0.14.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.3
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking console v0.11.3
[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]     Checking jwalk v0.5.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]     Checking structopt v0.3.15
[INFO] [stderr]     Checking recursum v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.32s
[INFO] running `Command { std: "docker" "inspect" "196ccc4a1e5da4d1baed74279cb355bcf975c640a426b4562689e8b594563d34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "196ccc4a1e5da4d1baed74279cb355bcf975c640a426b4562689e8b594563d34", kill_on_drop: false }`
[INFO] [stdout] 196ccc4a1e5da4d1baed74279cb355bcf975c640a426b4562689e8b594563d34