[INFO] fetching crate ast2str-lib 1.3.0...
[INFO] checking ast2str-lib-1.3.0 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate ast2str-lib 1.3.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate ast2str-lib 1.3.0 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ast2str-lib 1.3.0
[INFO] finished tweaking crates.io crate ast2str-lib 1.3.0
[INFO] tweaked toml for crates.io crate ast2str-lib 1.3.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded diff v0.1.13
[INFO] [stderr]   Downloaded output_vt100 v0.1.3
[INFO] [stderr]   Downloaded ctor v0.1.26
[INFO] [stderr]   Downloaded pretty_assertions v0.7.2
[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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14500b3b1eb47997531244fd61f283509b592033f04e6f6a4ff13243e6308179
[INFO] running `Command { std: "docker" "start" "-a" "14500b3b1eb47997531244fd61f283509b592033f04e6f6a4ff13243e6308179", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14500b3b1eb47997531244fd61f283509b592033f04e6f6a4ff13243e6308179", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14500b3b1eb47997531244fd61f283509b592033f04e6f6a4ff13243e6308179", kill_on_drop: false }`
[INFO] [stdout] 14500b3b1eb47997531244fd61f283509b592033f04e6f6a4ff13243e6308179
[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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2860aa9af340dcdcf3802e329d3bebc91b89ab36525878bc1d9b0b3a14ab9ba
[INFO] running `Command { std: "docker" "start" "-a" "c2860aa9af340dcdcf3802e329d3bebc91b89ab36525878bc1d9b0b3a14ab9ba", kill_on_drop: false }`
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking ast2str-lib v1.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking pretty_assertions v0.7.2
[INFO] [stdout] warning: the item `AstToStr` is imported redundantly
[INFO] [stdout]    --> src/builder.rs:449:9
[INFO] [stdout]     |
[INFO] [stdout] 448 |     use super::*;
[INFO] [stdout]     |         -------- the item `AstToStr` is already imported here
[INFO] [stdout] 449 |     use crate::AstToStr;
[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 0.31s
[INFO] running `Command { std: "docker" "inspect" "c2860aa9af340dcdcf3802e329d3bebc91b89ab36525878bc1d9b0b3a14ab9ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2860aa9af340dcdcf3802e329d3bebc91b89ab36525878bc1d9b0b3a14ab9ba", kill_on_drop: false }`
[INFO] [stdout] c2860aa9af340dcdcf3802e329d3bebc91b89ab36525878bc1d9b0b3a14ab9ba
[INFO] checking ast2str-lib-1.3.0 against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] extracting crate ast2str-lib 1.3.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate ast2str-lib 1.3.0 on toolchain 72eda894eb3548c7ba774079ce0afab42958d4ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ast2str-lib 1.3.0
[INFO] finished tweaking crates.io crate ast2str-lib 1.3.0
[INFO] tweaked toml for crates.io crate ast2str-lib 1.3.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6fe4bca27e0754b00bfa9030ce80f36422b8e2c7d2f81d75ff0522deaf745b7d
[INFO] running `Command { std: "docker" "start" "-a" "6fe4bca27e0754b00bfa9030ce80f36422b8e2c7d2f81d75ff0522deaf745b7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fe4bca27e0754b00bfa9030ce80f36422b8e2c7d2f81d75ff0522deaf745b7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fe4bca27e0754b00bfa9030ce80f36422b8e2c7d2f81d75ff0522deaf745b7d", kill_on_drop: false }`
[INFO] [stdout] 6fe4bca27e0754b00bfa9030ce80f36422b8e2c7d2f81d75ff0522deaf745b7d
[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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4d5d3fcaaf36a9de36b5c79d67421845cd8fc8eed9436f92bff49ddc98bc3b3
[INFO] running `Command { std: "docker" "start" "-a" "c4d5d3fcaaf36a9de36b5c79d67421845cd8fc8eed9436f92bff49ddc98bc3b3", kill_on_drop: false }`
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking ast2str-lib v1.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking pretty_assertions v0.7.2
[INFO] [stdout] warning: the item `AstToStr` is imported redundantly
[INFO] [stdout]    --> src/builder.rs:449:9
[INFO] [stdout]     |
[INFO] [stdout] 448 |     use super::*;
[INFO] [stdout]     |         -------- the item `AstToStr` is already imported here
[INFO] [stdout] 449 |     use crate::AstToStr;
[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 0.36s
[INFO] running `Command { std: "docker" "inspect" "c4d5d3fcaaf36a9de36b5c79d67421845cd8fc8eed9436f92bff49ddc98bc3b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4d5d3fcaaf36a9de36b5c79d67421845cd8fc8eed9436f92bff49ddc98bc3b3", kill_on_drop: false }`
[INFO] [stdout] c4d5d3fcaaf36a9de36b5c79d67421845cd8fc8eed9436f92bff49ddc98bc3b3
