[INFO] fetching crate printr 0.1.3...
[INFO] testing printr-0.1.3 against 1.90.0 for beta-1.91-3
[INFO] extracting crate printr 0.1.3 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate printr 0.1.3
[INFO] finished tweaking crates.io crate printr 0.1.3
[INFO] tweaked toml for crates.io crate printr 0.1.3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate printr 0.1.3 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate printr 0.1.3 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v0.9.15
[INFO] [stderr]   Downloaded thread_local v0.3.6
[INFO] [stderr]   Downloaded treeline v0.1.0
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[INFO] [stderr]   Downloaded sentiment v0.1.1
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[INFO] [stderr]   Downloaded ucd-util v0.1.8
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[INFO] [stderr]   Downloaded regex v0.2.11
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[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec364bbb28aea92857e26dca643df75740701727adae4b0482f7f39d64b97c3f
[INFO] running `Command { std: "docker" "start" "-a" "ec364bbb28aea92857e26dca643df75740701727adae4b0482f7f39d64b97c3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec364bbb28aea92857e26dca643df75740701727adae4b0482f7f39d64b97c3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec364bbb28aea92857e26dca643df75740701727adae4b0482f7f39d64b97c3f", kill_on_drop: false }`
[INFO] [stdout] ec364bbb28aea92857e26dca643df75740701727adae4b0482f7f39d64b97c3f
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c99cd61b992fcede41103af0abae1e40bb1e2af230110977ae442f516e0d81a6
[INFO] running `Command { std: "docker" "start" "-a" "c99cd61b992fcede41103af0abae1e40bb1e2af230110977ae442f516e0d81a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling serde v0.9.15
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]    Compiling sentiment v0.1.1
[INFO] [stderr]    Compiling printr v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `value_name` is never read
[INFO] [stdout]   --> src/app.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     Positional {
[INFO] [stdout]    |     ---------- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 47 |         value_name: &'static str,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CustomArgKind` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]   --> build.rs:60:38
[INFO] [stdout]    |
[INFO] [stdout] 60 |     tpl = tpl.replace("{{AUTHORS}}", clap::crate_authors!(",\n"));
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^ this raw pointer has type `*const String`
[INFO] [stdout]    |
[INFO] [stdout]    = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&String`
[INFO] [stdout]   --> build.rs:60:38
[INFO] [stdout]    |
[INFO] [stdout] 60 |     tpl = tpl.replace("{{AUTHORS}}", clap::crate_authors!(",\n"));
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(dangerous_implicit_autorefs)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `clap::crate_authors` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-2.33.3/src/macros.rs:493:22
[INFO] [stdout]    |
[INFO] [stdout] 493|                     &(&(*VALUE))[..]
[INFO] [stdout]    |                      ++        +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.09s
[INFO] running `Command { std: "docker" "inspect" "c99cd61b992fcede41103af0abae1e40bb1e2af230110977ae442f516e0d81a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c99cd61b992fcede41103af0abae1e40bb1e2af230110977ae442f516e0d81a6", kill_on_drop: false }`
[INFO] [stdout] c99cd61b992fcede41103af0abae1e40bb1e2af230110977ae442f516e0d81a6
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6b8dff5f18b88b2d60681739a1056f66709dd4496fbeef3ab097a8365d738a7
[INFO] running `Command { std: "docker" "start" "-a" "d6b8dff5f18b88b2d60681739a1056f66709dd4496fbeef3ab097a8365d738a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.92
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling predicates-core v1.0.2
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling treeline v0.1.0
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling float-cmp v0.8.0
[INFO] [stdout] warning: field `value_name` is never read
[INFO] [stdout]   --> src/app.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     Positional {
[INFO] [stdout]    |     ---------- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 47 |         value_name: &'static str,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CustomArgKind` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]   --> build.rs:60:38
[INFO] [stdout]    |
[INFO] [stdout] 60 |     tpl = tpl.replace("{{AUTHORS}}", clap::crate_authors!(",\n"));
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^ this raw pointer has type `*const String`
[INFO] [stdout]    |
[INFO] [stdout]    = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&String`
[INFO] [stdout]   --> build.rs:60:38
[INFO] [stdout]    |
[INFO] [stdout] 60 |     tpl = tpl.replace("{{AUTHORS}}", clap::crate_authors!(",\n"));
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(dangerous_implicit_autorefs)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `clap::crate_authors` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-2.33.3/src/macros.rs:493:22
[INFO] [stdout]    |
[INFO] [stdout] 493|                     &(&(*VALUE))[..]
[INFO] [stdout]    |                      ++        +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling predicates-tree v1.0.2
[INFO] [stderr]    Compiling bstr v0.2.15
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling regex v1.4.5
[INFO] [stderr]    Compiling predicates v1.0.7
[INFO] [stderr]    Compiling assert_cmd v1.0.3
[INFO] [stderr]    Compiling printr v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 9.80s
[INFO] running `Command { std: "docker" "inspect" "d6b8dff5f18b88b2d60681739a1056f66709dd4496fbeef3ab097a8365d738a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6b8dff5f18b88b2d60681739a1056f66709dd4496fbeef3ab097a8365d738a7", kill_on_drop: false }`
[INFO] [stdout] d6b8dff5f18b88b2d60681739a1056f66709dd4496fbeef3ab097a8365d738a7
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d0d09202713debdcf335a81f47cd9d7b00182acedfcde396804713779160416a
[INFO] running `Command { std: "docker" "start" "-a" "d0d09202713debdcf335a81f47cd9d7b00182acedfcde396804713779160416a", kill_on_drop: false }`
[INFO] [stderr] warning: field `value_name` is never read
[INFO] [stderr]   --> src/app.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 43 |     Positional {
[INFO] [stderr]    |     ---------- field in this variant
[INFO] [stderr] ...
[INFO] [stderr] 47 |         value_name: &'static str,
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `CustomArgKind` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stderr]   --> build.rs:60:38
[INFO] [stderr]    |
[INFO] [stderr] 60 |     tpl = tpl.replace("{{AUTHORS}}", clap::crate_authors!(",\n"));
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^ this raw pointer has type `*const String`
[INFO] [stderr]    |
[INFO] [stderr]    = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stderr] note: autoref is being applied to this expression, resulting in: `&String`
[INFO] [stderr]   --> build.rs:60:38
[INFO] [stderr]    |
[INFO] [stderr] 60 |     tpl = tpl.replace("{{AUTHORS}}", clap::crate_authors!(",\n"));
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = note: `#[warn(dangerous_implicit_autorefs)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `clap::crate_authors` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-2.33.3/src/macros.rs:493:22
[INFO] [stderr]    |
[INFO] [stderr] 493|                     &(&(*VALUE))[..]
[INFO] [stderr]    |                      ++        +
[INFO] [stderr] 
[INFO] [stderr] warning: `printr` (build script) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/printr-476df08946684731)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_new_being_created_with_input_string_supplied ... ok
[INFO] [stdout] test tests::test_new_being_created_with_filename_supplied ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/printr-45daac00c85801b6)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests printr
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d0d09202713debdcf335a81f47cd9d7b00182acedfcde396804713779160416a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0d09202713debdcf335a81f47cd9d7b00182acedfcde396804713779160416a", kill_on_drop: false }`
[INFO] [stdout] d0d09202713debdcf335a81f47cd9d7b00182acedfcde396804713779160416a