[INFO] fetching crate fst 0.4.7...
[INFO] checking fst-0.4.7 against master#35936c4839dd272646394779d151e060d0f6b3ac for pr-122960-1
[INFO] extracting crate fst 0.4.7 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate fst 0.4.7 on toolchain 35936c4839dd272646394779d151e060d0f6b3ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fst 0.4.7
[INFO] finished tweaking crates.io crate fst 0.4.7
[INFO] tweaked toml for crates.io crate fst 0.4.7 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded utf8-ranges v1.0.5
[INFO] [stderr]   Downloaded quickcheck v0.9.2
[INFO] [stderr]   Downloaded memmap v0.7.0
[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" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80886e3c9f2b3cc6bf227eeb942bcd9882c4add7811890b49fc344ca8fbc4350
[INFO] running `Command { std: "docker" "start" "-a" "80886e3c9f2b3cc6bf227eeb942bcd9882c4add7811890b49fc344ca8fbc4350", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80886e3c9f2b3cc6bf227eeb942bcd9882c4add7811890b49fc344ca8fbc4350", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80886e3c9f2b3cc6bf227eeb942bcd9882c4add7811890b49fc344ca8fbc4350", kill_on_drop: false }`
[INFO] [stdout] 80886e3c9f2b3cc6bf227eeb942bcd9882c4add7811890b49fc344ca8fbc4350
[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" "+35936c4839dd272646394779d151e060d0f6b3ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67af83f5d7bfc748e0e7088533a0305d85dbac17f12e143c1cee34e0b5a741d2
[INFO] running `Command { std: "docker" "start" "-a" "67af83f5d7bfc748e0e7088533a0305d85dbac17f12e143c1cee34e0b5a741d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling fst v0.4.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stdout] warning: the item `fst` is imported redundantly
[INFO] [stdout]  --> tests/test.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | use fst::{self, Automaton, IntoStreamer, Streamer};
[INFO] [stdout]   |           ^^^^ the item `fst` is already defined by prelude
[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] [stdout] warning: the item `io` is imported redundantly
[INFO] [stdout]    --> src/bytes.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 133 |     use super::*;
[INFO] [stdout]     |         -------- the item `io` is already imported here
[INFO] [stdout] 134 |     use quickcheck::{QuickCheck, StdGen};
[INFO] [stdout] 135 |     use std::io;
[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 4.73s
[INFO] running `Command { std: "docker" "inspect" "67af83f5d7bfc748e0e7088533a0305d85dbac17f12e143c1cee34e0b5a741d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67af83f5d7bfc748e0e7088533a0305d85dbac17f12e143c1cee34e0b5a741d2", kill_on_drop: false }`
[INFO] [stdout] 67af83f5d7bfc748e0e7088533a0305d85dbac17f12e143c1cee34e0b5a741d2
[INFO] checking fst-0.4.7 against try#9ae1860851f3fbc1435a1698e572252c0076f413 for pr-122960-1
[INFO] extracting crate fst 0.4.7 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate fst 0.4.7 on toolchain 9ae1860851f3fbc1435a1698e572252c0076f413
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9ae1860851f3fbc1435a1698e572252c0076f413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fst 0.4.7
[INFO] finished tweaking crates.io crate fst 0.4.7
[INFO] tweaked toml for crates.io crate fst 0.4.7 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9ae1860851f3fbc1435a1698e572252c0076f413" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9ae1860851f3fbc1435a1698e572252c0076f413" "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" "+9ae1860851f3fbc1435a1698e572252c0076f413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d13010f7493e1da60fe725967638808fdd37327ebd81ffe35bd4907950babe4
[INFO] running `Command { std: "docker" "start" "-a" "2d13010f7493e1da60fe725967638808fdd37327ebd81ffe35bd4907950babe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d13010f7493e1da60fe725967638808fdd37327ebd81ffe35bd4907950babe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d13010f7493e1da60fe725967638808fdd37327ebd81ffe35bd4907950babe4", kill_on_drop: false }`
[INFO] [stdout] 2d13010f7493e1da60fe725967638808fdd37327ebd81ffe35bd4907950babe4
[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" "+9ae1860851f3fbc1435a1698e572252c0076f413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14f42596b3949f9699baa5f567e37f4174aac7edf70b73a4d71af56679ee4a65
[INFO] running `Command { std: "docker" "start" "-a" "14f42596b3949f9699baa5f567e37f4174aac7edf70b73a4d71af56679ee4a65", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "14f42596b3949f9699baa5f567e37f4174aac7edf70b73a4d71af56679ee4a65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14f42596b3949f9699baa5f567e37f4174aac7edf70b73a4d71af56679ee4a65", kill_on_drop: false }`
[INFO] [stdout] 14f42596b3949f9699baa5f567e37f4174aac7edf70b73a4d71af56679ee4a65