[INFO] fetching crate dmsort 1.0.2...
[INFO] checking dmsort-1.0.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate dmsort 1.0.2 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate dmsort 1.0.2 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 dmsort 1.0.2
[INFO] finished tweaking crates.io crate dmsort 1.0.2
[INFO] tweaked toml for crates.io crate dmsort 1.0.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate dmsort 1.0.2 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 pbr v1.0.4
[INFO] [stderr]   Downloaded gnuplot v0.0.22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 1ebb457a5657186aaa5cb7b977f3a646964a01a91e3f9de281c66f894e5141ee
[INFO] running `Command { std: "docker" "start" "-a" "1ebb457a5657186aaa5cb7b977f3a646964a01a91e3f9de281c66f894e5141ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ebb457a5657186aaa5cb7b977f3a646964a01a91e3f9de281c66f894e5141ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ebb457a5657186aaa5cb7b977f3a646964a01a91e3f9de281c66f894e5141ee", kill_on_drop: false }`
[INFO] [stdout] 1ebb457a5657186aaa5cb7b977f3a646964a01a91e3f9de281c66f894e5141ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 78b81231c1d031738ad3cb59f2ed824073f183ede43d9e13a5fdc3f88f442fff
[INFO] running `Command { std: "docker" "start" "-a" "78b81231c1d031738ad3cb59f2ed824073f183ede43d9e13a5fdc3f88f442fff", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking dmsort v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking gnuplot v0.0.22
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking pbr v1.0.4
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.05s
[INFO] running `Command { std: "docker" "inspect" "78b81231c1d031738ad3cb59f2ed824073f183ede43d9e13a5fdc3f88f442fff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78b81231c1d031738ad3cb59f2ed824073f183ede43d9e13a5fdc3f88f442fff", kill_on_drop: false }`
[INFO] [stdout] 78b81231c1d031738ad3cb59f2ed824073f183ede43d9e13a5fdc3f88f442fff
[INFO] checking dmsort-1.0.2 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate dmsort 1.0.2 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate dmsort 1.0.2 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 dmsort 1.0.2
[INFO] finished tweaking crates.io crate dmsort 1.0.2
[INFO] tweaked toml for crates.io crate dmsort 1.0.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate dmsort 1.0.2 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] e20ba54975502f9738cac1fe3e16688911eca48f2d894d6ee03ea2e728de6b94
[INFO] running `Command { std: "docker" "start" "-a" "e20ba54975502f9738cac1fe3e16688911eca48f2d894d6ee03ea2e728de6b94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e20ba54975502f9738cac1fe3e16688911eca48f2d894d6ee03ea2e728de6b94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e20ba54975502f9738cac1fe3e16688911eca48f2d894d6ee03ea2e728de6b94", kill_on_drop: false }`
[INFO] [stdout] e20ba54975502f9738cac1fe3e16688911eca48f2d894d6ee03ea2e728de6b94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 1d670c01efb1966ca53b23ebbaa1e39a2ee5624307d8f5864fc7b16ae95a83fc
[INFO] running `Command { std: "docker" "start" "-a" "1d670c01efb1966ca53b23ebbaa1e39a2ee5624307d8f5864fc7b16ae95a83fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking dmsort v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking gnuplot v0.0.22
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking pbr v1.0.4
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.85s
[INFO] running `Command { std: "docker" "inspect" "1d670c01efb1966ca53b23ebbaa1e39a2ee5624307d8f5864fc7b16ae95a83fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d670c01efb1966ca53b23ebbaa1e39a2ee5624307d8f5864fc7b16ae95a83fc", kill_on_drop: false }`
[INFO] [stdout] 1d670c01efb1966ca53b23ebbaa1e39a2ee5624307d8f5864fc7b16ae95a83fc