[INFO] fetching crate credent 0.4.1...
[INFO] checking credent-0.4.1 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3
[INFO] extracting crate credent 0.4.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate credent 0.4.1 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 credent 0.4.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate credent 0.4.1
[INFO] tweaked toml for crates.io crate credent 0.4.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate credent 0.4.1 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nb-connect v1.0.3
[INFO] [stderr]   Downloaded credent_fs_model v0.4.1
[INFO] [stderr]   Downloaded credent_model v0.4.1
[INFO] [stderr]   Downloaded credent_fs v0.4.1
[INFO] [stderr]   Downloaded credent_cli_model v0.4.1
[INFO] [stderr]   Downloaded rpassword v5.0.1
[INFO] [stderr]   Downloaded futures-core v0.3.13
[INFO] [stderr]   Downloaded async-process v1.0.2
[INFO] [stderr]   Downloaded credent_cli v0.4.1
[INFO] [stderr]   Downloaded smol v1.2.5
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.3
[INFO] [stderr]   Downloaded serde_derive v1.0.124
[INFO] [stderr]   Downloaded mio v0.7.10
[INFO] [stderr]   Downloaded serde v1.0.124
[INFO] [stderr]   Downloaded tokio v1.4.0
[INFO] [stderr]   Downloaded parking_lot_core v0.8.3
[INFO] [stderr]   Downloaded signal-hook v0.3.7
[INFO] [stderr]   Downloaded futures-io v0.3.13
[INFO] [stderr]   Downloaded pin-project-lite v0.2.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 65aaca963453513f03142d96813c5489222d51dfd2914dedb3f8741bfdd85bf9
[INFO] running `Command { std: "docker" "start" "-a" "65aaca963453513f03142d96813c5489222d51dfd2914dedb3f8741bfdd85bf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65aaca963453513f03142d96813c5489222d51dfd2914dedb3f8741bfdd85bf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65aaca963453513f03142d96813c5489222d51dfd2914dedb3f8741bfdd85bf9", kill_on_drop: false }`
[INFO] [stdout] 65aaca963453513f03142d96813c5489222d51dfd2914dedb3f8741bfdd85bf9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7aed824dd55fe568fbf167ee2862a08595a877c61d6767ed10d55335c0011c24
[INFO] running `Command { std: "docker" "start" "-a" "7aed824dd55fe568fbf167ee2862a08595a877c61d6767ed10d55335c0011c24", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.90
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]    Compiling signal-hook v0.3.7
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling tokio v1.4.0
[INFO] [stderr]     Checking credent_cli_model v0.4.1
[INFO] [stdout] error: `credent` needs either the "backend-smol" or "backend-tokio" feature to be enabled.
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/credent_cli_model-0.4.1/src/error.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | / compile_error!(
[INFO] [stdout] 11 | |     r#"`credent` needs either the "backend-smol" or "backend-tokio" feature to be enabled."#
[INFO] [stdout] 12 | | );
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `IoError` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/credent_cli_model-0.4.1/src/error.rs:28:16
[INFO] [stdout]    |
[INFO] [stdout] 28 |         error: IoError,
[INFO] [stdout]    |                ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `IoError` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/credent_cli_model-0.4.1/src/error.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 |     StdErrFlush(IoError),
[INFO] [stdout]    |                 ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `credent_cli_model` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7aed824dd55fe568fbf167ee2862a08595a877c61d6767ed10d55335c0011c24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aed824dd55fe568fbf167ee2862a08595a877c61d6767ed10d55335c0011c24", kill_on_drop: false }`
[INFO] [stdout] 7aed824dd55fe568fbf167ee2862a08595a877c61d6767ed10d55335c0011c24
[INFO] checking credent-0.4.1 against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-3
[INFO] extracting crate credent 0.4.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate credent 0.4.1 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 credent 0.4.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate credent 0.4.1
[INFO] tweaked toml for crates.io crate credent 0.4.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate credent 0.4.1 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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 56ed7e229f7b184054d0c7863140ba0a9627b9d2576d7149744429ff51be8ccb
[INFO] running `Command { std: "docker" "start" "-a" "56ed7e229f7b184054d0c7863140ba0a9627b9d2576d7149744429ff51be8ccb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56ed7e229f7b184054d0c7863140ba0a9627b9d2576d7149744429ff51be8ccb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56ed7e229f7b184054d0c7863140ba0a9627b9d2576d7149744429ff51be8ccb", kill_on_drop: false }`
[INFO] [stdout] 56ed7e229f7b184054d0c7863140ba0a9627b9d2576d7149744429ff51be8ccb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9411cff955b231891c1958625ae44b5c9382e015ca376109b351fe777b4b71a
[INFO] running `Command { std: "docker" "start" "-a" "f9411cff955b231891c1958625ae44b5c9382e015ca376109b351fe777b4b71a", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "f9411cff955b231891c1958625ae44b5c9382e015ca376109b351fe777b4b71a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9411cff955b231891c1958625ae44b5c9382e015ca376109b351fe777b4b71a", kill_on_drop: false }`
[INFO] [stdout] f9411cff955b231891c1958625ae44b5c9382e015ca376109b351fe777b4b71a