[INFO] cloning repository https://github.com/alienzj/learn-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alienzj/learn-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falienzj%2Flearn-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falienzj%2Flearn-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5e70bfa14d6bd1d884228f49df27e39ed64d51c7
[INFO] checking alienzj/learn-rust against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falienzj%2Flearn-rust" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alienzj/learn-rust on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alienzj/learn-rust
[INFO] finished tweaking git repo https://github.com/alienzj/learn-rust
[INFO] tweaked toml for git repo https://github.com/alienzj/learn-rust written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/alienzj/learn-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /workspace/builds/worker-14/source/rust-book/Cargo.toml
[INFO] [stderr] workspace: /workspace/builds/worker-14/source/Cargo.toml
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /workspace/builds/worker-14/source/rust-bio/Cargo.toml
[INFO] [stderr] workspace: /workspace/builds/worker-14/source/Cargo.toml
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bio v0.32.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf001252f7935e30c0155e7afa79538772271ddd76ea89ff0cc092c3c3a1797b
[INFO] running `Command { std: "docker" "start" "-a" "bf001252f7935e30c0155e7afa79538772271ddd76ea89ff0cc092c3c3a1797b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf001252f7935e30c0155e7afa79538772271ddd76ea89ff0cc092c3c3a1797b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf001252f7935e30c0155e7afa79538772271ddd76ea89ff0cc092c3c3a1797b", kill_on_drop: false }`
[INFO] [stdout] bf001252f7935e30c0155e7afa79538772271ddd76ea89ff0cc092c3c3a1797b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66ac2ecb6fa519aa07a130e45608eaa259abc491cf5c46428e01607425a791a2
[INFO] running `Command { std: "docker" "start" "-a" "66ac2ecb6fa519aa07a130e45608eaa259abc491cf5c46428e01607425a791a2", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /opt/rustwide/workdir/rust-book/Cargo.toml
[INFO] [stderr] workspace: /opt/rustwide/workdir/Cargo.toml
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /opt/rustwide/workdir/rust-bio/Cargo.toml
[INFO] [stderr] workspace: /opt/rustwide/workdir/Cargo.toml
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.65
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
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[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling strum v0.18.0
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
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[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
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[INFO] [stderr]    Compiling gio v0.9.1
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[INFO] [stderr]    Compiling pango v0.9.1
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[INFO] [stderr]    Compiling gdk v0.13.2
[INFO] [stderr]    Compiling feature-probe v0.1.1
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[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]    Compiling bio v0.32.0
[INFO] [stderr]     Checking array-macro v1.0.5
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking custom_derive v0.1.7
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[INFO] [stderr]     Checking triple_accel v0.3.4
[INFO] [stderr]     Checking learn-rust-std v0.1.0 (/opt/rustwide/workdir/rust-std)
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking walkdir v2.3.2
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[INFO] [stdout] error[E0432]: unresolved import `criterion`
[INFO] [stdout]  --> rust-std/src/io.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use criterion::{criterion_group, criterion_main, Criterion};
[INFO] [stdout]   |     ^^^^^^^^^ use of undeclared crate or module `criterion`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stdout] error[E0432]: unresolved import `criterion`
[INFO] [stdout]  --> rust-std/src/io.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use criterion::{criterion_group, criterion_main, Criterion};
[INFO] [stdout]   |     ^^^^^^^^^ use of undeclared crate or module `criterion`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `criterion_main`
[INFO] [stdout]   --> rust-std/src/io.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | criterion_main!(benches);
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `criterion_group`
[INFO] [stdout]   --> rust-std/src/io.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | criterion_group!(benches, bench);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `io_test`
[INFO] [stdout]   --> rust-std/src/io.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / use criterion::{criterion_group, criterion_main, Criterion};
[INFO] [stdout] 2  | | use std::io::prelude::*;
[INFO] [stdout] 3  | | use std::io::BufWriter;
[INFO] [stdout] 4  | | use std::net::TcpStream;
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | | criterion_group!(benches, bench);
[INFO] [stdout] 32 | | criterion_main!(benches);
[INFO] [stdout]    | |_________________________^ consider adding a `main` function to `rust-std/src/io.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `criterion_main`
[INFO] [stdout]   --> rust-std/src/io.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | criterion_main!(benches);
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `criterion_group`
[INFO] [stdout]   --> rust-std/src/io.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | criterion_group!(benches, bench);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking plotters-svg v0.3.0
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `learn-rust-std` due to 4 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] [stdout] Some errors have detailed explanations: E0432, E0601.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "66ac2ecb6fa519aa07a130e45608eaa259abc491cf5c46428e01607425a791a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66ac2ecb6fa519aa07a130e45608eaa259abc491cf5c46428e01607425a791a2", kill_on_drop: false }`
[INFO] [stdout] 66ac2ecb6fa519aa07a130e45608eaa259abc491cf5c46428e01607425a791a2