[INFO] fetching crate rwc 0.2.0...
[INFO] checking rwc-0.2.0 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4
[INFO] extracting crate rwc 0.2.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate rwc 0.2.0 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rwc 0.2.0
[INFO] finished tweaking crates.io crate rwc 0.2.0
[INFO] tweaked toml for crates.io crate rwc 0.2.0 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 16 packages
[INFO] [stderr]       Adding strsim v0.10.0 (latest: v0.11.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0fd2f9157fc4ecafa88e64b920d7922c4770e804396dcbf4b4a8162e94dd3589
[INFO] running `Command { std: "docker" "start" "-a" "0fd2f9157fc4ecafa88e64b920d7922c4770e804396dcbf4b4a8162e94dd3589", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fd2f9157fc4ecafa88e64b920d7922c4770e804396dcbf4b4a8162e94dd3589", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fd2f9157fc4ecafa88e64b920d7922c4770e804396dcbf4b4a8162e94dd3589", kill_on_drop: false }`
[INFO] [stdout] 0fd2f9157fc4ecafa88e64b920d7922c4770e804396dcbf4b4a8162e94dd3589
[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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd2e6d438577332f5da327943d63a4af31cd87bee2903def212db52eff3a56e7
[INFO] running `Command { std: "docker" "start" "-a" "cd2e6d438577332f5da327943d63a4af31cd87bee2903def212db52eff3a56e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking docopt v1.1.1
[INFO] [stderr]     Checking rwc v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected identifier, found `"rustc-serialize"`
[INFO] [stdout]  --> src/main.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 | extern crate "rustc-serialize" as rustc_serialize;
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^^^ expected identifier
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found `"rustc-serialize"`
[INFO] [stdout]  --> src/main.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 | extern crate "rustc-serialize" as rustc_serialize;
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^^^ expected identifier
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rwc` (bin "rwc" test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rwc` (bin "rwc") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "cd2e6d438577332f5da327943d63a4af31cd87bee2903def212db52eff3a56e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd2e6d438577332f5da327943d63a4af31cd87bee2903def212db52eff3a56e7", kill_on_drop: false }`
[INFO] [stdout] cd2e6d438577332f5da327943d63a4af31cd87bee2903def212db52eff3a56e7
[INFO] checking rwc-0.2.0 against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-4
[INFO] extracting crate rwc 0.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate rwc 0.2.0 on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rwc 0.2.0
[INFO] finished tweaking crates.io crate rwc 0.2.0
[INFO] tweaked toml for crates.io crate rwc 0.2.0 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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] faed1eb5560db9581d984125c74f8381c524a2c519cef4ca2f539500f3bb5049
[INFO] running `Command { std: "docker" "start" "-a" "faed1eb5560db9581d984125c74f8381c524a2c519cef4ca2f539500f3bb5049", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "faed1eb5560db9581d984125c74f8381c524a2c519cef4ca2f539500f3bb5049", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faed1eb5560db9581d984125c74f8381c524a2c519cef4ca2f539500f3bb5049", kill_on_drop: false }`
[INFO] [stdout] faed1eb5560db9581d984125c74f8381c524a2c519cef4ca2f539500f3bb5049
[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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] adf0e5b2390fafb5eac453895b19e003a04c10f1a0aa22164f1289bbc9d6e2c8
[INFO] running `Command { std: "docker" "start" "-a" "adf0e5b2390fafb5eac453895b19e003a04c10f1a0aa22164f1289bbc9d6e2c8", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] no edition found in manifest, probably 2015, skipping
[INFO] running `Command { std: "docker" "inspect" "adf0e5b2390fafb5eac453895b19e003a04c10f1a0aa22164f1289bbc9d6e2c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adf0e5b2390fafb5eac453895b19e003a04c10f1a0aa22164f1289bbc9d6e2c8", kill_on_drop: false }`
[INFO] [stdout] adf0e5b2390fafb5eac453895b19e003a04c10f1a0aa22164f1289bbc9d6e2c8