[INFO] cloning repository https://github.com/lfitchett/learningRust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lfitchett/learningRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flfitchett%2FlearningRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flfitchett%2FlearningRust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e144cf66d364d778b82fdedf2e1f2d40c1f1f524
[INFO] checking lfitchett/learningRust against try#e117153a45c546e883c1f91d82611775fcaeffe0 for pr-146470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flfitchett%2FlearningRust" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lfitchett/learningRust
[INFO] finished tweaking git repo https://github.com/lfitchett/learningRust
[INFO] tweaked toml for git repo https://github.com/lfitchett/learningRust written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lfitchett/learningRust on toolchain e117153a45c546e883c1f91d82611775fcaeffe0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e117153a45c546e883c1f91d82611775fcaeffe0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lfitchett/learningRust 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" "+e117153a45c546e883c1f91d82611775fcaeffe0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam-epoch v0.7.2
[INFO] [stderr]   Downloaded sysinfo v0.9.6
[INFO] [stderr]   Downloaded memoffset v0.5.1
[INFO] [stderr]   Downloaded rayon-core v1.6.0
[INFO] [stderr]   Downloaded rayon v1.2.0
[INFO] [stderr]   Downloaded libc v0.2.61
[INFO] [stderr]   Downloaded doc-comment v0.3.1
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+e117153a45c546e883c1f91d82611775fcaeffe0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27c6864e8dc26c6f1142dacca5855d4e8ab6b106e47b65cf7da0ecc120e35b59
[INFO] running `Command { std: "docker" "start" "-a" "27c6864e8dc26c6f1142dacca5855d4e8ab6b106e47b65cf7da0ecc120e35b59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27c6864e8dc26c6f1142dacca5855d4e8ab6b106e47b65cf7da0ecc120e35b59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27c6864e8dc26c6f1142dacca5855d4e8ab6b106e47b65cf7da0ecc120e35b59", kill_on_drop: false }`
[INFO] [stdout] 27c6864e8dc26c6f1142dacca5855d4e8ab6b106e47b65cf7da0ecc120e35b59
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+e117153a45c546e883c1f91d82611775fcaeffe0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ed0b7d53a6b0a4f62ddfa1cc86f4e64ccd1ed904ae9c4d0ca25aa0d5497586c
[INFO] running `Command { std: "docker" "start" "-a" "0ed0b7d53a6b0a4f62ddfa1cc86f4e64ccd1ed904ae9c4d0ca25aa0d5497586c", kill_on_drop: false }`
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling libc v0.2.61
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling doc-comment v0.3.1
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling sysinfo v0.9.6
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]     Checking playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0583]: file not found for module `advent`
[INFO] [stdout]  --> src/main.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | mod advent;
[INFO] [stdout]   | ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: to create the module `advent`, create file "src/advent.rs" or "src/advent/mod.rs"
[INFO] [stdout]   = note: if there is a `mod advent` elsewhere in the crate already, import it with `use crate::...` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0583]: file not found for module `random`
[INFO] [stdout]  --> src/main.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | mod random;
[INFO] [stdout]   | ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: to create the module `random`, create file "src/random.rs" or "src/random/mod.rs"
[INFO] [stdout]   = note: if there is a `mod random` elsewhere in the crate already, import it with `use crate::...` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `byte_unit`
[INFO] [stdout]  --> src/future.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use byte_unit::*;
[INFO] [stdout]   |     ^^^^^^^^^ use of unresolved module or unlinked crate `byte_unit`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `byte_unit`, use `cargo add byte_unit` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `chrono`
[INFO] [stdout]  --> src/future.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use chrono::*;
[INFO] [stdout]   |     ^^^^^^ use of unresolved module or unlinked crate `chrono`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `chrono`, use `cargo add chrono` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0583]: file not found for module `advent`
[INFO] [stdout]  --> src/main.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | mod advent;
[INFO] [stdout]   | ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: to create the module `advent`, create file "src/advent.rs" or "src/advent/mod.rs"
[INFO] [stdout]   = note: if there is a `mod advent` elsewhere in the crate already, import it with `use crate::...` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0583]: file not found for module `random`
[INFO] [stdout]  --> src/main.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | mod random;
[INFO] [stdout]   | ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: to create the module `random`, create file "src/random.rs" or "src/random/mod.rs"
[INFO] [stdout]   = note: if there is a `mod random` elsewhere in the crate already, import it with `use crate::...` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `byte_unit`
[INFO] [stdout]  --> src/future.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use byte_unit::*;
[INFO] [stdout]   |     ^^^^^^^^^ use of unresolved module or unlinked crate `byte_unit`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `byte_unit`, use `cargo add byte_unit` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `chrono`
[INFO] [stdout]  --> src/future.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use chrono::*;
[INFO] [stdout]   |     ^^^^^^ use of unresolved module or unlinked crate `chrono`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `chrono`, use `cargo add chrono` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/future.rs:93:18
[INFO] [stdout]    |
[INFO] [stdout] 93 |         Ok(b) => b.get_appropriate_unit(true).format(2),
[INFO] [stdout]    |                  ^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0432, E0583.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/future.rs:93:18
[INFO] [stdout]    |
[INFO] [stdout] 93 |         Ok(b) => b.get_appropriate_unit(true).format(2),
[INFO] [stdout]    |                  ^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `playground` (bin "playground" test) due to 5 previous errors
[INFO] [stdout] Some errors have detailed explanations: E0282, E0432, E0583.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `playground` (bin "playground") due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "0ed0b7d53a6b0a4f62ddfa1cc86f4e64ccd1ed904ae9c4d0ca25aa0d5497586c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ed0b7d53a6b0a4f62ddfa1cc86f4e64ccd1ed904ae9c4d0ca25aa0d5497586c", kill_on_drop: false }`
[INFO] [stdout] 0ed0b7d53a6b0a4f62ddfa1cc86f4e64ccd1ed904ae9c4d0ca25aa0d5497586c