[INFO] fetching crate run-or-raise 0.3.3...
[INFO] checking run-or-raise-0.3.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate run-or-raise 0.3.3 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate run-or-raise 0.3.3 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 run-or-raise 0.3.3
[INFO] finished tweaking crates.io crate run-or-raise 0.3.3
[INFO] tweaked toml for crates.io crate run-or-raise 0.3.3 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate run-or-raise 0.3.3 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 cfg-if v0.1.6
[INFO] [stderr]   Downloaded nom v7.0.0
[INFO] [stderr]   Downloaded minimal-lexical v0.1.2
[INFO] [stderr]   Downloaded log v0.4.6
[INFO] [stderr]   Downloaded xcb v0.9.0
[INFO] [stderr]   Downloaded libc v0.2.48
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f95aef2bcc870ff8e119d34d7964fd55159dc69aecc3e8cfdb6e7d92f01d1a4a
[INFO] running `Command { std: "docker" "start" "-a" "f95aef2bcc870ff8e119d34d7964fd55159dc69aecc3e8cfdb6e7d92f01d1a4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f95aef2bcc870ff8e119d34d7964fd55159dc69aecc3e8cfdb6e7d92f01d1a4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f95aef2bcc870ff8e119d34d7964fd55159dc69aecc3e8cfdb6e7d92f01d1a4a", kill_on_drop: false }`
[INFO] [stdout] f95aef2bcc870ff8e119d34d7964fd55159dc69aecc3e8cfdb6e7d92f01d1a4a
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c48d8452dc91951c555e338cf1f7b5c729e5de33bcf3a724838df500d905d119
[INFO] running `Command { std: "docker" "start" "-a" "c48d8452dc91951c555e338cf1f7b5c729e5de33bcf3a724838df500d905d119", kill_on_drop: false }`
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling minimal-lexical v0.1.2
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]    Compiling nom v7.0.0
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking run-or-raise v0.3.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `xcb` is imported redundantly
[INFO] [stdout]  --> src/conditions.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use xcb::{self, Connection, Window};
[INFO] [stdout]   |           ^^^^ the item `xcb` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `xcb` is imported redundantly
[INFO] [stdout]  --> src/windows.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | use xcb::{self, Atom, Connection, Screen, Window};
[INFO] [stdout]   |           ^^^^ the item `xcb` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `xcb` is imported redundantly
[INFO] [stdout]  --> src/conditions.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use xcb::{self, Connection, Window};
[INFO] [stdout]   |           ^^^^ the item `xcb` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `xcb` is imported redundantly
[INFO] [stdout]  --> src/windows.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | use xcb::{self, Atom, Connection, Screen, Window};
[INFO] [stdout]   |           ^^^^ the item `xcb` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.54s
[INFO] running `Command { std: "docker" "inspect" "c48d8452dc91951c555e338cf1f7b5c729e5de33bcf3a724838df500d905d119", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c48d8452dc91951c555e338cf1f7b5c729e5de33bcf3a724838df500d905d119", kill_on_drop: false }`
[INFO] [stdout] c48d8452dc91951c555e338cf1f7b5c729e5de33bcf3a724838df500d905d119
[INFO] checking run-or-raise-0.3.3 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate run-or-raise 0.3.3 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate run-or-raise 0.3.3 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 run-or-raise 0.3.3
[INFO] finished tweaking crates.io crate run-or-raise 0.3.3
[INFO] tweaked toml for crates.io crate run-or-raise 0.3.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate run-or-raise 0.3.3 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-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a982fa2612cea438ff62782482361262f6b68f44675ab22c17af661e8699720
[INFO] running `Command { std: "docker" "start" "-a" "0a982fa2612cea438ff62782482361262f6b68f44675ab22c17af661e8699720", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a982fa2612cea438ff62782482361262f6b68f44675ab22c17af661e8699720", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a982fa2612cea438ff62782482361262f6b68f44675ab22c17af661e8699720", kill_on_drop: false }`
[INFO] [stdout] 0a982fa2612cea438ff62782482361262f6b68f44675ab22c17af661e8699720
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2b0ec880b74692887a46085b40dd4403bf2b71b483366f267cdf7c006ad1f69
[INFO] running `Command { std: "docker" "start" "-a" "d2b0ec880b74692887a46085b40dd4403bf2b71b483366f267cdf7c006ad1f69", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling minimal-lexical v0.1.2
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]    Compiling nom v7.0.0
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking run-or-raise v0.3.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `xcb` is imported redundantly
[INFO] [stdout]  --> src/conditions.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use xcb::{self, Connection, Window};
[INFO] [stdout]   |           ^^^^ the item `xcb` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `xcb` is imported redundantly
[INFO] [stdout]  --> src/windows.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | use xcb::{self, Atom, Connection, Screen, Window};
[INFO] [stdout]   |           ^^^^ the item `xcb` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `xcb` is imported redundantly
[INFO] [stdout]  --> src/conditions.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use xcb::{self, Connection, Window};
[INFO] [stdout]   |           ^^^^ the item `xcb` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `xcb` is imported redundantly
[INFO] [stdout]  --> src/windows.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | use xcb::{self, Atom, Connection, Screen, Window};
[INFO] [stdout]   |           ^^^^ the item `xcb` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.08s
[INFO] running `Command { std: "docker" "inspect" "d2b0ec880b74692887a46085b40dd4403bf2b71b483366f267cdf7c006ad1f69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2b0ec880b74692887a46085b40dd4403bf2b71b483366f267cdf7c006ad1f69", kill_on_drop: false }`
[INFO] [stdout] d2b0ec880b74692887a46085b40dd4403bf2b71b483366f267cdf7c006ad1f69