[INFO] cloning repository https://github.com/ear7h/mkshell
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ear7h/mkshell" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fear7h%2Fmkshell", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fear7h%2Fmkshell'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4b506ea06820aefacd08756ebc097fa53bdaba1f
[INFO] checking ear7h/mkshell against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fear7h%2Fmkshell" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ear7h/mkshell 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 git repo https://github.com/ear7h/mkshell
[INFO] finished tweaking git repo https://github.com/ear7h/mkshell
[INFO] tweaked toml for git repo https://github.com/ear7h/mkshell written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ear7h/mkshell 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 streaming-iterator v0.1.5
[INFO] [stderr]   Downloaded quick_from v0.1.0
[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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 974841d6841c24a56f300fe1b8b329c9cc5c16fdb36f5c9a66c546f50e7b896d
[INFO] running `Command { std: "docker" "start" "-a" "974841d6841c24a56f300fe1b8b329c9cc5c16fdb36f5c9a66c546f50e7b896d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "974841d6841c24a56f300fe1b8b329c9cc5c16fdb36f5c9a66c546f50e7b896d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "974841d6841c24a56f300fe1b8b329c9cc5c16fdb36f5c9a66c546f50e7b896d", kill_on_drop: false }`
[INFO] [stdout] 974841d6841c24a56f300fe1b8b329c9cc5c16fdb36f5c9a66c546f50e7b896d
[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=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] c7439fdf6fd4850ee1f848834e1075ef358919b5cc3b25ed623ee6678bdd4a64
[INFO] running `Command { std: "docker" "start" "-a" "c7439fdf6fd4850ee1f848834e1075ef358919b5cc3b25ed623ee6678bdd4a64", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]     Checking streaming-iterator v0.1.5
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling quick_from v0.1.0
[INFO] [stderr]     Checking mkshell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `.`, `;`, `?`, `else`, or an operator, found `:`
[INFO] [stdout]    --> src/lib.rs:462:57
[INFO] [stdout]     |
[INFO] [stdout] 462 |             let v = scanner.iter("test\ntest").collect(): Vec<_>;
[INFO] [stdout]     |                                                         ^ expected one of `.`, `;`, `?`, `else`, or an operator
[INFO] [stdout]     |
[INFO] [stdout]     = note: type ascription syntax has been removed, see issue #101728 <https://github.com/rust-lang/rust/issues/101728>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `.`, `;`, `?`, `else`, or an operator, found `:`
[INFO] [stdout]    --> src/lib.rs:462:57
[INFO] [stdout]     |
[INFO] [stdout] 462 |             let v = scanner.iter("test\ntest").collect(): Vec<_>;
[INFO] [stdout]     |                                                         ^ expected one of `.`, `;`, `?`, `else`, or an operator
[INFO] [stdout]     |
[INFO] [stdout]     = note: type ascription syntax has been removed, see issue #101728 <https://github.com/rust-lang/rust/issues/101728>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `.`, `;`, `?`, `else`, or an operator, found `:`
[INFO] [stdout]    --> src/lib.rs:490:66
[INFO] [stdout]     |
[INFO] [stdout] 490 |             let v = scanner.iter(&b"test\x08space"[..]).collect(): Vec<_>;
[INFO] [stdout]     |                                                                  ^ expected one of `.`, `;`, `?`, `else`, or an operator
[INFO] [stdout]     |
[INFO] [stdout]     = note: type ascription syntax has been removed, see issue #101728 <https://github.com/rust-lang/rust/issues/101728>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `.`, `;`, `?`, `else`, or an operator, found `:`
[INFO] [stdout]    --> src/lib.rs:490:66
[INFO] [stdout]     |
[INFO] [stdout] 490 |             let v = scanner.iter(&b"test\x08space"[..]).collect(): Vec<_>;
[INFO] [stdout]     |                                                                  ^ expected one of `.`, `;`, `?`, `else`, or an operator
[INFO] [stdout]     |
[INFO] [stdout]     = note: type ascription syntax has been removed, see issue #101728 <https://github.com/rust-lang/rust/issues/101728>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: no rules expected the token `:`
[INFO] [stdout]    --> src/aho_corasick.rs:322:51
[INFO] [stdout]     |
[INFO] [stdout] 322 |         assert_eq!(ac.push_matches(&'c').collect(): Vec<_>, vec![&3, &1, &2]);
[INFO] [stdout]     |                                                   ^ no rules expected this token in macro call
[INFO] [stdout]     |
[INFO] [stdout] note: while trying to match `,`
[INFO] [stdout]    --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/core/src/macros/mod.rs:37:16
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: no rules expected the token `:`
[INFO] [stdout]    --> src/aho_corasick.rs:331:51
[INFO] [stdout]     |
[INFO] [stdout] 331 |         assert_eq!(ac.push_matches(&'c').collect(): Vec<_>, vec![&1, &2]);
[INFO] [stdout]     |                                                   ^ no rules expected this token in macro call
[INFO] [stdout]     |
[INFO] [stdout] note: while trying to match `,`
[INFO] [stdout]    --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/core/src/macros/mod.rs:37:16
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mkshell` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mkshell` (lib test) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "c7439fdf6fd4850ee1f848834e1075ef358919b5cc3b25ed623ee6678bdd4a64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7439fdf6fd4850ee1f848834e1075ef358919b5cc3b25ed623ee6678bdd4a64", kill_on_drop: false }`
[INFO] [stdout] c7439fdf6fd4850ee1f848834e1075ef358919b5cc3b25ed623ee6678bdd4a64
[INFO] checking ear7h/mkshell against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fear7h%2Fmkshell" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ear7h/mkshell 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 git repo https://github.com/ear7h/mkshell
[INFO] finished tweaking git repo https://github.com/ear7h/mkshell
[INFO] tweaked toml for git repo https://github.com/ear7h/mkshell written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ear7h/mkshell 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-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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0cbbcc970627b4a4bb947b10305286af2a4f428d88cf580d8f15b833a4318a11
[INFO] running `Command { std: "docker" "start" "-a" "0cbbcc970627b4a4bb947b10305286af2a4f428d88cf580d8f15b833a4318a11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0cbbcc970627b4a4bb947b10305286af2a4f428d88cf580d8f15b833a4318a11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cbbcc970627b4a4bb947b10305286af2a4f428d88cf580d8f15b833a4318a11", kill_on_drop: false }`
[INFO] [stdout] 0cbbcc970627b4a4bb947b10305286af2a4f428d88cf580d8f15b833a4318a11
[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=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] 0619365f7996d1765da8ecbad255d20f4030cbc979700823f2b96ff1b9a24c3b
[INFO] running `Command { std: "docker" "start" "-a" "0619365f7996d1765da8ecbad255d20f4030cbc979700823f2b96ff1b9a24c3b", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "0619365f7996d1765da8ecbad255d20f4030cbc979700823f2b96ff1b9a24c3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0619365f7996d1765da8ecbad255d20f4030cbc979700823f2b96ff1b9a24c3b", kill_on_drop: false }`
[INFO] [stdout] 0619365f7996d1765da8ecbad255d20f4030cbc979700823f2b96ff1b9a24c3b