[INFO] cloning repository https://github.com/ReemSaidd/TaskManager
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ReemSaidd/TaskManager" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FReemSaidd%2FTaskManager", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FReemSaidd%2FTaskManager'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 82eb5b357bf1ac9a3d196cddcdb9a16fe20f41a8
[INFO] checking ReemSaidd/TaskManager against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FReemSaidd%2FTaskManager" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  86% (1146/1320)
Updating files:  87% (1149/1320)
Updating files:  88% (1162/1320)
Updating files:  89% (1175/1320)
Updating files:  90% (1188/1320)
Updating files:  91% (1202/1320)
Updating files:  92% (1215/1320)
Updating files:  93% (1228/1320)
Updating files:  94% (1241/1320)
Updating files:  95% (1254/1320)
Updating files:  96% (1268/1320)
Updating files:  97% (1281/1320)
Updating files:  98% (1294/1320)
Updating files:  99% (1307/1320)
Updating files: 100% (1320/1320)
Updating files: 100% (1320/1320), done.
[INFO] started tweaking git repo https://github.com/ReemSaidd/TaskManager
[INFO] finished tweaking git repo https://github.com/ReemSaidd/TaskManager
[INFO] tweaked toml for git repo https://github.com/ReemSaidd/TaskManager written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ReemSaidd/TaskManager on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ReemSaidd/TaskManager 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f24863c8ee8e98171a1445f6855defaf7af62770508312823dceecbedd854b6d
[INFO] running `Command { std: "docker" "start" "-a" "f24863c8ee8e98171a1445f6855defaf7af62770508312823dceecbedd854b6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f24863c8ee8e98171a1445f6855defaf7af62770508312823dceecbedd854b6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f24863c8ee8e98171a1445f6855defaf7af62770508312823dceecbedd854b6d", kill_on_drop: false }`
[INFO] [stdout] f24863c8ee8e98171a1445f6855defaf7af62770508312823dceecbedd854b6d
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42f7e8c4ca1a6888b93dbf435ca25abadbf46f3a5cbddd98bd84b58231e8ca0a
[INFO] running `Command { std: "docker" "start" "-a" "42f7e8c4ca1a6888b93dbf435ca25abadbf46f3a5cbddd98bd84b58231e8ca0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling platforms v2.0.0
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling sysinfo v0.8.6
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking unicode-segmentation v1.10.1
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking unescape v0.1.0
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.56/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a feature with a similar name: `proc_macro_span_file`
[INFO] [stdout]    |
[INFO] [stdout] 92 -     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout] 92 +     feature(proc_macro_span, proc_macro_span_file)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "42f7e8c4ca1a6888b93dbf435ca25abadbf46f3a5cbddd98bd84b58231e8ca0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42f7e8c4ca1a6888b93dbf435ca25abadbf46f3a5cbddd98bd84b58231e8ca0a", kill_on_drop: false }`
[INFO] [stdout] 42f7e8c4ca1a6888b93dbf435ca25abadbf46f3a5cbddd98bd84b58231e8ca0a
