[INFO] fetching crate retour 0.4.0-alpha.2...
[INFO] checking retour-0.4.0-alpha.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate retour 0.4.0-alpha.2 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate retour 0.4.0-alpha.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 retour 0.4.0-alpha.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate retour 0.4.0-alpha.2
[INFO] tweaked toml for crates.io crate retour 0.4.0-alpha.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate retour 0.4.0-alpha.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 slice-pool2 v0.4.3
[INFO] [stderr]   Downloaded mmap-fixed-fixed v0.1.3
[INFO] [stderr]   Downloaded region v3.0.0
[INFO] [stderr]   Downloaded libudis86-sys v0.2.1
[INFO] [stderr]   Downloaded ctor v0.2.3
[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] 9a3f916a9c4379c2dadc77cc8503ef4e50502aece7c3eb29d2e27a595652237c
[INFO] running `Command { std: "docker" "start" "-a" "9a3f916a9c4379c2dadc77cc8503ef4e50502aece7c3eb29d2e27a595652237c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a3f916a9c4379c2dadc77cc8503ef4e50502aece7c3eb29d2e27a595652237c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a3f916a9c4379c2dadc77cc8503ef4e50502aece7c3eb29d2e27a595652237c", kill_on_drop: false }`
[INFO] [stdout] 9a3f916a9c4379c2dadc77cc8503ef4e50502aece7c3eb29d2e27a595652237c
[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] 0ae877dfd785685b3d76dadbd4ce5c5573bc24ec2319419fba76465461d16550
[INFO] running `Command { std: "docker" "start" "-a" "0ae877dfd785685b3d76dadbd4ce5c5573bc24ec2319419fba76465461d16550", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.64
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking slice-pool2 v0.4.3
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]     Checking mmap-fixed-fixed v0.1.3
[INFO] [stderr]     Checking region v3.0.0
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling syn v2.0.25
[INFO] [stderr]    Compiling libudis86-sys v0.2.1
[INFO] [stderr]     Checking retour v0.4.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling ctor v0.2.3
[INFO] [stdout] warning: the item `Result` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:126:7
[INFO] [stdout]     |
[INFO] [stdout] 125 |   use super::*;
[INFO] [stdout]     |       -------- the item `Result` is already imported here
[INFO] [stdout] 126 |   use crate::Result;
[INFO] [stdout]     |       ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` 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 14.91s
[INFO] running `Command { std: "docker" "inspect" "0ae877dfd785685b3d76dadbd4ce5c5573bc24ec2319419fba76465461d16550", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ae877dfd785685b3d76dadbd4ce5c5573bc24ec2319419fba76465461d16550", kill_on_drop: false }`
[INFO] [stdout] 0ae877dfd785685b3d76dadbd4ce5c5573bc24ec2319419fba76465461d16550
[INFO] checking retour-0.4.0-alpha.2 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate retour 0.4.0-alpha.2 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate retour 0.4.0-alpha.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 retour 0.4.0-alpha.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate retour 0.4.0-alpha.2
[INFO] tweaked toml for crates.io crate retour 0.4.0-alpha.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate retour 0.4.0-alpha.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] 1528f9c22bd25133e23a01d11e355ccb9dede0cf0b91aa66be2b3814bdb95a40
[INFO] running `Command { std: "docker" "start" "-a" "1528f9c22bd25133e23a01d11e355ccb9dede0cf0b91aa66be2b3814bdb95a40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1528f9c22bd25133e23a01d11e355ccb9dede0cf0b91aa66be2b3814bdb95a40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1528f9c22bd25133e23a01d11e355ccb9dede0cf0b91aa66be2b3814bdb95a40", kill_on_drop: false }`
[INFO] [stdout] 1528f9c22bd25133e23a01d11e355ccb9dede0cf0b91aa66be2b3814bdb95a40
[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] 0c1f5eff8f398c846d0194eae5f733a5d34df8fea32c46ed97d2c9c5d4a7c899
[INFO] running `Command { std: "docker" "start" "-a" "0c1f5eff8f398c846d0194eae5f733a5d34df8fea32c46ed97d2c9c5d4a7c899", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.64
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking slice-pool2 v0.4.3
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling syn v2.0.25
[INFO] [stderr]     Checking mmap-fixed-fixed v0.1.3
[INFO] [stderr]     Checking region v3.0.0
[INFO] [stderr]    Compiling libudis86-sys v0.2.1
[INFO] [stderr]     Checking retour v0.4.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling ctor v0.2.3
[INFO] [stdout] warning: the item `Result` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:126:7
[INFO] [stdout]     |
[INFO] [stdout] 125 |   use super::*;
[INFO] [stdout]     |       -------- the item `Result` is already imported here
[INFO] [stdout] 126 |   use crate::Result;
[INFO] [stdout]     |       ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` 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 14.15s
[INFO] running `Command { std: "docker" "inspect" "0c1f5eff8f398c846d0194eae5f733a5d34df8fea32c46ed97d2c9c5d4a7c899", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c1f5eff8f398c846d0194eae5f733a5d34df8fea32c46ed97d2c9c5d4a7c899", kill_on_drop: false }`
[INFO] [stdout] 0c1f5eff8f398c846d0194eae5f733a5d34df8fea32c46ed97d2c9c5d4a7c899