[INFO] fetching crate track8-program 1.0.0...
[INFO] checking track8-program-1.0.0 against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] extracting crate track8-program 1.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate track8-program 1.0.0 on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate track8-program 1.0.0
[INFO] finished tweaking crates.io crate track8-program 1.0.0
[INFO] tweaked toml for crates.io crate track8-program 1.0.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9df49ac2e2294b3f978121e19c9c2b7606b6c5d3abe175a6448fdc88f7cb33c7
[INFO] running `Command { std: "docker" "start" "-a" "9df49ac2e2294b3f978121e19c9c2b7606b6c5d3abe175a6448fdc88f7cb33c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9df49ac2e2294b3f978121e19c9c2b7606b6c5d3abe175a6448fdc88f7cb33c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9df49ac2e2294b3f978121e19c9c2b7606b6c5d3abe175a6448fdc88f7cb33c7", kill_on_drop: false }`
[INFO] [stdout] 9df49ac2e2294b3f978121e19c9c2b7606b6c5d3abe175a6448fdc88f7cb33c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cdbe0567451fac37c895bc950f2a1a1ad481b05b4fe550617c42d4de67c37e9e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cdbe0567451fac37c895bc950f2a1a1ad481b05b4fe550617c42d4de67c37e9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling derive_more v0.9.0
[INFO] [stderr]     Checking track8-program v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/lib.rs:34:77
[INFO] [stdout]    |
[INFO] [stdout] 34 |   S::Stack{ref buf}=>{let mut b:Vec<C>=buf.clone().into();match c.into(){'0'...'9'=>{b.push(c);ns=S::Stack{buf:b.into()}}
[INFO] [stdout]    |                                                                             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/lib.rs:37:76
[INFO] [stdout]    |
[INFO] [stdout] 37 |   S::Read{ref buf}=>{let mut b:Vec<C>=buf.clone().into();match c.into(){'0'...'9'=>{b.push(c);ns=S::Read{buf:b.into()}}
[INFO] [stdout]    |                                                                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/lib.rs:40:77
[INFO] [stdout]    |
[INFO] [stdout] 40 |   S::Write{ref buf}=>{let mut b:Vec<C>=buf.clone().into();match c.into(){'0'...'9'=>{b.push(c);ns=S::Write{buf:b.into()}}
[INFO] [stdout]    |                                                                             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `let_s` in this scope
[INFO] [stdout]  --> src/test.rs:4:80
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn cst_to_string_invalid(){let v:Vec<C>=vec![C::N(4000000)];let c:CSt=v.into();let_s=c.to_string();}
[INFO] [stdout]   |                                                                                ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/lib.rs:34:77
[INFO] [stdout]    |
[INFO] [stdout] 34 |   S::Stack{ref buf}=>{let mut b:Vec<C>=buf.clone().into();match c.into(){'0'...'9'=>{b.push(c);ns=S::Stack{buf:b.into()}}
[INFO] [stdout]    |                                                                             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/lib.rs:37:76
[INFO] [stdout]    |
[INFO] [stdout] 37 |   S::Read{ref buf}=>{let mut b:Vec<C>=buf.clone().into();match c.into(){'0'...'9'=>{b.push(c);ns=S::Read{buf:b.into()}}
[INFO] [stdout]    |                                                                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/lib.rs:40:77
[INFO] [stdout]    |
[INFO] [stdout] 40 |   S::Write{ref buf}=>{let mut b:Vec<C>=buf.clone().into();match c.into(){'0'...'9'=>{b.push(c);ns=S::Write{buf:b.into()}}
[INFO] [stdout]    |                                                                             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(try_from)]#[macro_use]extern crate derive_more;
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `track8-program`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "cdbe0567451fac37c895bc950f2a1a1ad481b05b4fe550617c42d4de67c37e9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdbe0567451fac37c895bc950f2a1a1ad481b05b4fe550617c42d4de67c37e9e", kill_on_drop: false }`
[INFO] [stdout] cdbe0567451fac37c895bc950f2a1a1ad481b05b4fe550617c42d4de67c37e9e